HMF Fit For School Powder Ingredients & Drug Interactions
by Genestra Brands
What is this page for?
First and foremost: checking HMF Fit For School Powder against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
HMF Fit For School Powder is a dietary supplement by Genestra Brands with 3 active ingredients. Its ingredients are commonly taken for common cold and immune support, antioxidant support, skin health and collagen formation.Based on those ingredients, 975 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Vitamin D3, Vitamin C, Probiotic Consortium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against HMF Fit For School Powder by Genestra Brands
Ask about any prescription or over-the-counter medication and we check it for interactions with HMF Fit For School Powder by Genestra Brands — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of HMF Fit For School Powder by Genestra Brands
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Low disclosure
HMF Fit For School Powder contains 5 active ingredients. Vitamin C supports immune function and collagen formation.
Vitamin D3 helps your body absorb calcium and supports bone and immune health. The product also includes three live probiotic strains: Bifidobacterium bifidum (CUL-20), Bifidobacterium animalis subsp. lactis (CUL-34), and Lactobacillus acidophilus (CUL-60 & CUL-21)—beneficial bacteria meant to support digestive and immune balance.
The powder also contains potato maltodextrin as an inactive ingredient.
Does it work?
Moderate evidence
Vitamin C is effective for preventing vitamin C deficiency and is possibly effective for anemia of chronic disease, atrial fibrillation, cataracts, and exercise-induced respiratory infections. Vitamin D3 is effective for treating familial hypophosphatemia, osteomalacia (soft bones from low vitamin D), renal osteodystrophy, rickets, and hypoparathyroidism.
The three probiotic strains are each possibly effective for irritable bowel syndrome and respiratory tract infections. Bifidobacterium animalis subsp. lactis is additionally possibly effective for constipation.
For other conditions listed—such as allergic rhinitis, Alzheimer disease, and anxiety—the evidence in our data is insufficient to rate these probiotics.
How safe is it?
Well-documented data
Vitamin C is generally well tolerated at normal and supplement doses, though very high doses can cause side effects like stomach cramps, heartburn, diarrhea, nausea, vomiting, and headache; kidney stones have been reported in people prone to them. Vitamin D3 is generally well tolerated at recommended doses; very high doses over time can cause toxicity with symptoms of high blood calcium.
The probiotic strains are generally well tolerated by healthy people. Bifidobacterium animalis subsp. lactis may occasionally cause diarrhea or bloating and flatulence.
All three probiotics carry a theoretical concern of infection in people with severely weakened immune systems, though this is rare. For pregnancy and lactation: vitamin C from food and prenatal vitamins is considered normal and safe, but avoid high-dose supplements unless your doctor advises it.
Vitamin D3 is considered likely safe during pregnancy at recommended amounts but possibly unsafe at high doses—use only under your doctor's guidance. Data on the probiotic strains during pregnancy and lactation is limited; talk with your doctor or pharmacist for personalized advice.
Meds to double-check
Moderate interaction found
Before giving this product, double-check with your doctor or pharmacist if your child takes blood thinners like warfarin, heart medications (especially digoxin, verapamil, or diltiazem), water pills (thiazide diuretics), antibiotics, birth control pills or hormone therapy, thyroid medication (levothyroxine), cholesterol medication (atorvastatin), antipsychotic medications, HIV medications, or chemotherapy drugs. These are the medication types with documented interactions in our data.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
This powder may be worth considering if you're looking to support your child's immune health with vitamin C, vitamin D3, and probiotics. However, if your child takes any medications—especially blood thinners, heart medications, antibiotics, birth control, thyroid drugs, or chemotherapy—you'll need to check those interactions first with your doctor or pharmacist before adding this product.
The probiotic strains should be timed away from antibiotics to stay effective. Talk with your child's doctor or pharmacist about whether this product is right for them.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 5 of 5 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 21, 2020.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about HMF Fit For School Powder, straight from the product label.
| Brand | Genestra Brands |
|---|---|
| Barcode (UPC) | 883196153442 |
| Net contents | 1 Ounce(s); 30 Gram(s) |
| Market status | On market |
| Date entered into DSLD | Nov 21, 2020 |
| DSLD ID | 239085 |
| Product type | Other Combinations |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Children 4 or More Years of Age, Vegetarian, Gluten Free, Dairy Free, Children more than 1 but less than 4 |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for HMF Fit For School Powder by Genestra Brands, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin C | 50 mg | 56% |
| Vitamin D3 | 25 mcg | 125% |
| Bifidobacterium bifidum (CUL-20) | 0 NP | -- |
| Bifidobacterium animalis subsp. lactis (CUL-34) | 0 NP | -- |
| Lactobacillus acidophilus (CUL-60 & CUL-21) | 0 NP | -- |
| Probiotic Consortium | 0 NP | -- |
Other ingredients: Potato Maltodextrin
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
General Statements
Packaged by weight, not volume. Settling may occur. Scan to learn about our quality excellence
Formulation
Genestra HMF (Human Microflora) Probiotics offer: Clinically studied, proprietary strains Doctor-recommended for over 20 years Research-driven, condition-specific formulas Potency guaranteed through expiration
Helps support immune function and upper respiratory tract health
No artificial colors or flavors Non GMO Gluten free Soy free Dairy free No FOS
Vegetarian
Suggested/Recommended/Usage/Directions
Recommended Dose: Children (1 year and older): In a glass, add 1 heaped scoop to water or juice and dissolve completely before administration to children. Take once daily or as recommended by your health professional.
Precautions
Warning: If you have an immune-compromised condition, do not use.
If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
If symptoms of digestive upset occur, stop use and consult your health professional.
Keep out of the reach of children.
This product was sealed for your protection. Do not use if box or contents are open or damaged.
Storage
Store under refrigeration (below 46 degrees F).
FDA Statement of Identity
Daily Probiotic Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
HMF Fit For School Powder by Genestra Brands label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in HMF Fit For School Powder by Genestra Brands
These are the 3 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Gram(s) Dosage formPowder Servings per container30 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Vitamin C
Interacts with207 drugs
Vitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for im...
Vitamin C monograph & interactionsVitamin D3
Interacts with715 drugs
Vitamin D is a fat-soluble vitamin that helps your body absorb calcium and is important for healthy bones, muscles, and immune function. Many people,...
Vitamin D3 monograph & interactionsProbiotic Consortium
Interacts with182 drugs
Lactobacillus acidophilus is a 'friendly' bacterium used as a probiotic to support gut and vaginal health. It is generally well tolerated in healthy p...
Probiotic Consortium monograph & interactionsOther (inactive) ingredients: Potato Maltodextrin. These complete the product’s ingredient list but are not active constituents.
HMF Fit For School Powder by Genestra Brands Drug Interactions
HelloPharmacist Interaction Report
HMF Fit For School Powder by Genestra Brands contains ingredients that interact with medications.
Through its vitamin C and vitamin D3 content, the product carries the most serious documented interactions: vitamin C can reduce the effectiveness of blood thinners like warfarin (a moderate concern), and vitamin D3 can theoretically increase the risk of dangerous heart rhythms if you're taking digoxin, a heart medication. Both vitamins also interact with several other drug types.
Read the full breakdown — every affected drug type, severity by severity
Vitamin C may increase blood levels of estrogens (from birth control pills or hormone therapy), reduce the effectiveness of chemotherapy drugs like cyclophosphamide, increase aluminum absorption from aluminum-containing medications, and decrease levels of the antipsychotic fluphenazine, the HIV medication indinavir, or the thyroid drug levothyroxine. It can also theoretically interfere with other chemotherapy drugs that work by generating free radicals.
Vitamin D3 at high doses can raise blood calcium dangerously if combined with water pills (thiazide diuretics), and high calcium can reduce the effectiveness of heart rhythm medications like verapamil or diltiazem. It may also reduce absorption of atorvastatin (a cholesterol drug) and theoretically affect how your body processes certain other medications through the liver.
The three probiotic strains—Bifidobacterium bifidum, Bifidobacterium animalis subsp. lactis, and Lactobacillus acidophilus—can each be inactivated if taken at the same time as antibiotics.
Altogether, these interactions span 976 individual medications. Before you start this product, check your exact medications with the search tool on this page, and talk with your doctor or pharmacist about the ones that show up.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against HMF Fit For School Powder?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in HMF Fit For School Powder interact with 975 drugs. Click any drug to see the details.
3 of the 3 ingredients in HMF Fit For School Powder interact with drugs. Each result below shows which ingredient is responsible. Vitamin D3 Vitamin C Probiotic Consortium
Alginic Acid, Aluminum HydroxideRafton
How Alginic Acid, Aluminum Hydroxide interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Alginic Acid, Aluminum Hydroxide interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Alginic Acid, Aluminum Hydroxide interactionAltretamineHexalen
How Altretamine interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin CAlkylating Agents Moderate
Interaction Summary
Theoretically, antioxidant effects of vitamin C might reduce the effectiveness of alkylating agents.
Read the full Vitamin C + Altretamine interactionAluminum Acetate, Benzethonium ChlorideBuro-Sol Otic Solution
How Aluminum Acetate, Benzethonium Chloride interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum Acetate, Benzethonium Chloride interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Acetate, Benzethonium Chloride interactionAluminum ChlorideAluminum Chloride, Anhydrol Forte, Driclor, Drysol
How Aluminum Chloride interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Chloride interactionVitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum Chloride interactionAluminum HydroxideAlu-Cap, Amphojel, Gaviscon
How Aluminum Hydroxide interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum Hydroxide interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Hydroxide interactionAluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium HydroxideAscriptin Codeine #2
How Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interactionVitamin CAspirin, Aluminum Moderate
Interaction Summary
Acidification of the urine by vitamin C might increase aspirin levels.
Read the full Vitamin C + Aluminum Hydroxide, Aspirin, Codeine Phosphate, Magnesium Hydroxide interactionAluminum Hydroxide, Aspirin, Magnesium HydroxideAscriptin
How Aluminum Hydroxide, Aspirin, Magnesium Hydroxide interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAspirin, Aluminum Moderate
Interaction Summary
Acidification of the urine by vitamin C might increase aspirin levels.
Read the full Vitamin C + Aluminum Hydroxide, Aspirin, Magnesium Hydroxide interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Hydroxide, Aspirin, Magnesium Hydroxide interactionAluminum Hydroxide, Magnesium Hydroxide (otc Drug)Maalox, Mucogel
How Aluminum Hydroxide, Magnesium Hydroxide (otc Drug) interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Hydroxide, Magnesium Hydroxide (otc Drug) interactionVitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum Hydroxide, Magnesium Hydroxide (otc Drug) interactionAluminum Hydroxide, Magnesium Hydroxide, Simethicone (otc Drug)Mylanta
How Aluminum Hydroxide, Magnesium Hydroxide, Simethicone (otc Drug) interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum Hydroxide, Magnesium Hydroxide, Simethicone (otc Drug) interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum Hydroxide, Magnesium Hydroxide, Simethicone (otc Drug) interactionAluminum, CalciumDomeboro
How Aluminum, Calcium interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum, Calcium interactionVitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum, Calcium interactionAluminum, Magnesium (otc Drug)Almagel
How Aluminum, Magnesium (otc Drug) interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum, Magnesium (otc Drug) interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum, Magnesium (otc Drug) interactionAluminum, Magnesium Hydroxide (otc Drug)Wingel
How Aluminum, Magnesium Hydroxide (otc Drug) interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aluminum, Magnesium Hydroxide (otc Drug) interactionVitamin CAluminum Moderate
Interaction Summary
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Read the full Vitamin C + Aluminum, Magnesium Hydroxide (otc Drug) interactionAmikacinAmikin, Arikayce
How Amikacin interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Probiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amikacin interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amikacin interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amikacin interactionAmiloride, HydrochlorothiazideAmil-Co, Amilzide, Moduret 25, Moduretic
How Amiloride, Hydrochlorothiazide interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Thiazide Diuretics Moderate
Interaction Summary
Theoretically, taking thiazide diuretics and high-dose vitamin D can increase the risk of hypercalcemia.
Read the full Vitamin D3 + Amiloride, Hydrochlorothiazide interactionAmoxicillinAmix, Amoram, Amoxident, Amoxil Capsules, Amoxil Injection, Galenamox +3 more
How Amoxicillin interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amoxicillin interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amoxicillin interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amoxicillin interactionAmoxicillin VeterinaryBiomox
How Amoxicillin Veterinary interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Probiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amoxicillin Veterinary interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amoxicillin Veterinary interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amoxicillin Veterinary interactionAmoxicillin, Clavulanate PotassiumAugmentin, Augmentin '125/31 SF', Augmentin '250/62 SF', Augmentin XR, Augmentin-Duo 400/57, Clavulin
How Amoxicillin, Clavulanate Potassium interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amoxicillin, Clavulanate Potassium interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amoxicillin, Clavulanate Potassium interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amoxicillin, Clavulanate Potassium interactionAmoxicillin, Omeprazole Magnesium, RifabutinTalicia
How Amoxicillin, Omeprazole Magnesium, Rifabutin interacts with HMF Fit For School Powder — through 4 ingredients. Tap an ingredient for the detail:
Probiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionVitamin D3Cytochrome P450 3a4 (cyp3a4) Substrates Minor
Interaction Summary
Vitamin D might induce CYP3A4 enzymes and reduce the bioavailability of CYP3A4 substrates.
Read the full Vitamin D3 + Amoxicillin, Omeprazole Magnesium, Rifabutin interactionAmphotericin, TetracyclineMysteclin-F
How Amphotericin, Tetracycline interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Amphotericin, Tetracycline interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Amphotericin, Tetracycline interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Amphotericin, Tetracycline interactionAmpicillinOmnipen, Omnipen-N, Penbritin, Principen, Rimacillin
How Ampicillin interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Probiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Ampicillin interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Ampicillin interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Ampicillin interactionAmpicillin, SulbactamUnasyn
How Ampicillin, Sulbactam interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Ampicillin, Sulbactam interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Ampicillin, Sulbactam interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Ampicillin, Sulbactam interactionAspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium HydroxideAscriptin Codeine #3
How Aspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium Hydroxide interacts with HMF Fit For School Powder — through 2 ingredients. Tap an ingredient for the detail:
Vitamin CAspirin, Aluminum Moderate
Interaction Summary
Acidification of the urine by vitamin C might increase aspirin levels.
Read the full Vitamin C + Aspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium Hydroxide interactionVitamin D3Aluminum Moderate
Interaction Summary
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
Read the full Vitamin D3 + Aspirin, Aluminum Hydroxide, Codeine Phosphate, Magnesium Hydroxide interactionAtenolol, ChlortalidoneAtenixCo, Tenoret 50, Totaretic
How Atenolol, Chlortalidone interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Thiazide Diuretics Moderate
Interaction Summary
Theoretically, taking thiazide diuretics and high-dose vitamin D can increase the risk of hypercalcemia.
Read the full Vitamin D3 + Atenolol, Chlortalidone interactionAtenolol, ChlorthalidoneTenoretic
How Atenolol, Chlorthalidone interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Thiazide Diuretics Moderate
Interaction Summary
Theoretically, taking thiazide diuretics and high-dose vitamin D can increase the risk of hypercalcemia.
Read the full Vitamin D3 + Atenolol, Chlorthalidone interactionAtorvastatinAtorvaliq
How Atorvastatin interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Cytochrome P450 3a4 (cyp3a4) Substrates, Atorvastatin (lipitor) Moderate
Interaction Summary
Vitamin D might induce CYP3A4 enzymes and reduce the bioavailability of CYP3A4 substrates.
Read the full Vitamin D3 + Atorvastatin interactionAtorvastatin CalciumLipitor
How Atorvastatin Calcium interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Atorvastatin (lipitor), Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Vitamin D might reduce absorption of atorvastatin.
Read the full Vitamin D3 + Atorvastatin Calcium interactionAvibactam Sodium, CeftazidimeAvycaz
How Avibactam Sodium, Ceftazidime interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Probiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Avibactam Sodium, Ceftazidime interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Avibactam Sodium, Ceftazidime interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Avibactam Sodium, Ceftazidime interactionAzilsartan, ChlorthalidoneEdarbyclor
How Azilsartan, Chlorthalidone interacts with HMF Fit For School Powder — through 1 ingredient. Tap an ingredient for the detail:
Vitamin D3Thiazide Diuretics Moderate
Interaction Summary
Theoretically, taking thiazide diuretics and high-dose vitamin D can increase the risk of hypercalcemia.
Read the full Vitamin D3 + Azilsartan, Chlorthalidone interactionAzithromycinAzasite, Zithromax, Zmax
How Azithromycin interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Azithromycin interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Azithromycin interactionBifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Azithromycin interactionAztreonamAzactam
How Aztreonam interacts with HMF Fit For School Powder — through 3 ingredients. Tap an ingredient for the detail:
Bifidobacterium Animalis Subsp. Lactis (cul-34)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium lactis with antibiotic drugs might decrease the effectiveness of B.
Read the full Bifidobacterium Animalis Subsp. Lactis (cul-34) + Aztreonam interactionBifidobacterium Bifidum (cul-20)Antibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Bifidobacterium.
Read the full Bifidobacterium Bifidum (cul-20) + Aztreonam interactionProbiotic ConsortiumAntibiotic Drugs Moderate
Interaction Summary
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L.
Read the full Probiotic Consortium + Aztreonam interactionEach ingredient & the kinds of drugs it affects
For each ingredient in HMF Fit For School Powder with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
Vitamin D3
Aluminum
Vitamin D might increase aluminum absorption and toxicity, but this has only been reported in people with renal failure.
The protein that transports calcium across the intestinal wall can also bind and transport aluminum. This protein is stimulated by vitamin D, which may therefore increase aluminum absorption. This mechanism may contribute to increased aluminum levels and toxicity in people with renal failure, when they take vitamin D and aluminum-containing phosphate binders chronically.
Atorvastatin (Lipitor)
Vitamin D might reduce absorption of atorvastatin.
A small, low-quality clinical study shows that taking vitamin D reduces levels of atorvastatin and its active metabolites by up to 55%. However, while atorvastatin levels decreased, total cholesterol, low-density lipoprotein (LDL) cholesterol, and high-density lipoprotein (HDL) cholesterol levels did not substantially change. Atorvastatin is metabolized in the gut by CYP3A4 enzymes, and researchers theorized that vitamin D might induce CYP3A4, causing reduced levels of atorvastatin. However, this proposed mechanism was not specifically studied.
Calcipotriene (Dovonex)
Taking calcipotriene with vitamin D increases the risk for hypercalcemia.
Calcipotriene is a vitamin D analog used topically for psoriasis. It can be absorbed in sufficient amounts to cause systemic effects, including hypercalcemia. Theoretically, combining calcipotriene with vitamin D supplements might increase the risk of hypercalcemia.
Digoxin (Lanoxin)
Theoretically, hypercalcemia induced by high-dose vitamin D can increase the risk of arrhythmia from digoxin.
High doses of vitamin D can cause hypercalcemia. Hypercalcemia increases the risk of fatal cardiac arrhythmias with digoxin. Avoid vitamin D doses above the tolerable upper intake level (4000 IU daily for adults) and monitor serum calcium levels in people taking vitamin D and digoxin concurrently.
Diltiazem (Cardizem, Others)
Theoretically, hypercalcemia induced by high-dose vitamin D can reduce the therapeutic effects of diltiazem for arrhythmia.
High doses of vitamin D can cause hypercalcemia. Hypercalcemia can reduce the effectiveness of verapamil in atrial fibrillation. Theoretically this could also occur with diltiazem. Avoid vitamin D doses above the tolerable upper intake level (4000 IU daily for adults) and monitor serum calcium levels in people taking vitamin D and diltiazem concurrently.
Thiazide Diuretics
Theoretically, taking thiazide diuretics and high-dose vitamin D can increase the risk of hypercalcemia.
Thiazide diuretics decrease urinary calcium excretion, which could lead to hypercalcemia if vitamin D supplements are taken concurrently. This has been reported in people being treated with vitamin D for hypoparathyroidism, and also in elderly people with normal parathyroid function who were taking a thiazide, vitamin D, and calcium-containing antacids daily.
Verapamil (Calan, Others)
Hypercalcemia induced by high-dose vitamin D can reduce the therapeutic effects of verapamil for arrhythmia.
Hypercalcemia due to high doses of vitamin D can reduce the effectiveness of verapamil in atrial fibrillation. Avoid vitamin D doses above the tolerable upper intake level (4000 IU daily for adults) and monitor serum calcium levels in people taking vitamin D and verapamil concurrently.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Vitamin D might induce CYP3A4 enzymes and reduce the bioavailability of CYP3A4 substrates.
There is some concern that vitamin D might induce CYP3A4. In vitro research suggests that vitamin D induces CYP3A4 transcription. Additionally, observational research has found that increased UV light exposure and serum vitamin D levels are associated with decreased serum levels of CYP3A4 substrates such as tacrolimus and sirolimus, while no association between UV light exposure or vitamin D levels and levels of mycophenolic acid, a non-CYP3A4 substrate, was found. A small, low-quality clinical study shows that taking vitamin D reduces levels of the CYP3A4 substrate atorvastatin and its active metabolites by up to 55%; however, the clinical effects of atorvastatin were not reduced. While researchers theorized that vitamin D might induce CYP3A4, this proposed mechanism was not specifically studied.
Vitamin C
Alkylating Agents
Theoretically, antioxidant effects of vitamin C might reduce the effectiveness of alkylating agents.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs that generate free radicals, such as cyclophosphamide, chlorambucil, carmustine, busulfan, and thiotepa. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effect, if any, antioxidants such as vitamin C have on chemotherapy.
Aluminum
Vitamin C can increase the amount of aluminum absorbed from aluminum compounds.
Research in animals and humans shows that vitamin C increases aluminum absorption, theoretically by chelating aluminum and keeping it in solution where it is available for absorption. In people with normal renal function, urinary excretion of aluminum will likely increase, making aluminum retention and toxicity unlikely. Patients with renal failure who take aluminum-containing compounds such as phosphate binders should avoid vitamin C supplements in doses above the recommended dietary allowances.
Antitumor Antibiotics
Theoretically, the antioxidant effects of vitamin C might reduce the effectiveness of antitumor antibiotics.
The use of antioxidants like vitamin C during chemotherapy is controversial. There is concern that antioxidants could reduce the activity of chemotherapy drugs which generate free radicals, such as doxorubicin. In contrast, some researchers theorize that antioxidants might make chemotherapy more effective by reducing oxidative stress that could interfere with apoptosis (cell death) of cancer cells. More evidence is needed to determine what effects, if any, antioxidants such as vitamin C have on chemotherapy.
Estrogens
Vitamin C might increase blood levels of estrogens.
Increases in plasma estrogen levels of up to 55% occur under some circumstances when vitamin C is taken concurrently with oral contraceptives or hormone replacement therapy, including topical products. It is suggested that vitamin C prevents oxidation of estrogen in the tissues, regenerates oxidized estrogen, and reduces sulfate conjugation of estrogen in the gut wall. When tissue levels of vitamin C are high, these processes are already maximized and supplemental vitamin C does not have any effect on estrogen levels. Increases in plasma estrogen levels may occur when patients who are deficient in vitamin C take supplements. Monitor these patients for estrogen-related side effects.
Fluphenazine (Prolixin)
Theoretically, vitamin C might decrease levels of fluphenazine.
In one patient there was a clinically significant decrease in fluphenazine levels when vitamin C (500 mg twice daily) was started. The mechanism is not known, and there is no further data to confirm this interaction.
Indinavir (Crixivan)
Vitamin C can modestly reduce indinavir levels.
One pharmacokinetic study shows that taking vitamin C 1 gram orally once daily along with indinavir 800 mg orally three times daily reduces the area under the concentration-time curve of indinavir by 14%. The mechanism of this interaction is unknown, but it is unlikely to be clinically significant in most patients. The effect of higher doses of vitamin C on indinavir levels is unknown.
Levothyroxine (Synthroid, Others)
Vitamin C can increase levothyroxine absorption.
Two clinical studies in adults with poorly controlled hypothyroidism show that swallowing levothyroxine with a glass of water containing vitamin C 500-1000 mg in solution reduces thyroid stimulating hormone (TSH) levels and increases thyroxine (T4) levels when compared with taking levothyroxine alone. This suggests that vitamin C increases the oral absorption of levothyroxine, possibly due to a reduction in pH.
Warfarin (Coumadin)
High-dose vitamin C might reduce the levels and effectiveness of warfarin.
Vitamin C in high doses may cause diarrhea and possibly reduce warfarin absorption. There are reports of two people who took up to 16 grams daily of vitamin C and had a reduction in prothrombin time. Lower doses of 5-10 grams daily can also reduce warfarin absorption. In many cases, this does not seem to be clinically significant. However, a case of warfarin resistance has been reported for a patient who took vitamin C 500 mg twice daily. Cessation of vitamin C supplementation resulted in a rapid increase in international normalized ratio (INR). Tell patients taking warfarin to avoid taking vitamin C in excessively high doses (greater than 10 grams daily). Lower doses may be safe, but the anticoagulation activity of warfarin should be monitored. Patients who are stabilized on warfarin while taking vitamin C should avoid adjusting vitamin C dosage to prevent the possibility of warfarin resistance.
Acetaminophen (Tylenol, Others)
High-dose vitamin C might slightly prolong the clearance of acetaminophen.
A small pharmacokinetic study in healthy volunteers shows that taking high-dose vitamin C (3 grams) 1.5 hours after taking acetaminophen 1 gram slightly increases the apparent half-life of acetaminophen from around 2.3 hours to 3.1 hours. Ascorbic acid competitively inhibits sulfate conjugation of acetaminophen. However, to compensate, elimination of acetaminophen glucuronide and unconjugated acetaminophen increases. This effect is not likely to be clinically significant.
Aspirin
Acidification of the urine by vitamin C might increase aspirin levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction is not clinically significant.
Choline Magnesium Trisalicylate (Trilisate)
Acidification of the urine by vitamin C might increase choline magnesium trisalicylate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams daily of vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.
Niacin
Vitamin C might decrease the beneficial effects of niacin on high-density lipoprotein (HDL) cholesterol levels.
A combination of niacin and simvastatin (Zocor) effectively raises HDL cholesterol levels in patients with coronary disease and low HDL levels. Clinical research shows that taking a combination of antioxidants (vitamin C, vitamin E, beta-carotene, and selenium) along with niacin and simvastatin (Zocor) attenuates this rise in HDL, specifically the HDL-2 and apolipoprotein A1 fractions, by more than 50% in patients with coronary disease. It is not known whether this adverse effect is due to a single antioxidant such as vitamin C, or to the combination. It also is not known whether it will occur in other patient populations.
Salsalate (Disalcid)
Acidification of the urine by vitamin C might increase salsalate levels.
It has been suggested that acidification of the urine by vitamin C could increase reabsorption of salicylates by the renal tubules, and increase plasma salicylate levels. However, short-term use of up to 6 grams/day vitamin C does not seem to affect urinary pH or salicylate excretion, suggesting this interaction probably is not clinically significant.
Probiotic Consortium
Antibiotic Drugs
Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L. acidophilus.
L. acidophilus preparations usually contain live and active organisms. Therefore, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and L. acidophilus preparations by at least two hours.
Brand information
Manufacturer and brand details for HMF Fit For School Powder, from the product label.
Genestra Brands
- Name
- Seroyal USA
- City
- Pittsburgh
- State
- PA
- ZipCode
- 15275
- Phone Number
- 1-888-737-6925
- Web Address
- seroyal.com
HMF Fit For School Powder by Genestra Brands: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind HMF Fit For School Powder’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Vitamin C
Interacts with 207 drugsVitamin C (ascorbic acid) is an essential nutrient your body needs but cannot make, so you must get it from food or supplements. It's important for immune function, collagen, and acts as an...
Read the full Vitamin C monograph → Herb & supplement monographVitamin D
Interacts with 715 drugsVitamin D is a fat-soluble vitamin that helps your body absorb calcium and is important for healthy bones, muscles, and immune function. Many people, especially those with low sun exposure,...
Read the full Vitamin D monograph → Herb & supplement monographLactobacillus Acidophilus
Interacts with 182 drugsLactobacillus acidophilus is a 'friendly' bacterium used as a probiotic to support gut and vaginal health. It is generally well tolerated in healthy people, and there is reasonable evidence...
Read the full Lactobacillus Acidophilus monograph → Herb & supplement monographBifidobacterium Bifidum
Interacts with 182 drugsBifidobacterium bifidum is a 'friendly' bacteria (probiotic) that naturally lives in the human gut and is taken to support digestion and gut balance. Some evidence suggests probiotics may he...
Read the full Bifidobacterium Bifidum monograph → Herb & supplement monographBifidobacterium Animalis Subsp. Lactis
Interacts with 182 drugsBifidobacterium animalis subsp. lactis is a well-studied probiotic bacterium commonly added to supplements and yogurts to support digestion and gut health. It appears generally safe for most...
Read the full Bifidobacterium Animalis Subsp. Lactis monograph →Sources & How We Checked
HMF Fit For School Powder's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 107 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Vitamin C 51 references
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- Back DJ, Breckenridge AM, MacIver M, et al. Interaction of ethinyloestradiol with ascorbic acid in man. Br Med J (Clin Res Ed) 1981;282:1516.
- Morris JC, Beeley L, Ballantine N. Interaction of ethinyloestradiol with ascorbic acid in man [letter]. Br Med J (Clin Res Ed) 1981;283:503.
- Labriola D, Livingston R. Possible interactions between dietary antioxidants and chemotherapy. Oncology 1999;13:1003-8.
- Dwyer JH, Merz NB, Shirocre AM, et al. Progression of early atherosclerosis and intake of vitamin C and vitamin E from supplements and food. The Los Angeles Atherosclerosis Study. 41st Annual Conference on Cardiovascular Disease Epidemiology and Prevent
- Levine M, Rumsey SC, Daruwala R, et al. Criteria and recommendations for vitamin C intake. JAMA 1999;281:1415-23. PubMed
- Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
- Segal S, Kaminski S. Drug-nutrient interactions. American Druggist 1996 Jul;42-8.
- Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. Washington, DC: National Academy Press, 2000. Available at: http://www.nap.edu/books/0309069351/html/.
- Houston JB, Levy G. Drug biotransformation interactions in man VI: Acetaminophen and ascorbic acid. J Pharm Sci 1976;65:1218-21. PubMed
- Brown BG, Zhao XQ, Chait A, et al. Simvastatin and niacin, antioxidant vitamins, or the combination for the prevention of coronary disease. N Engl J Med 2001;345:1583-93. DOI
- Rosenthal G. Interaction of ascorbic acid and warfarin. JAMA 1971;215:1671. DOI
- Hume R, Johnstone JM, Weyers E. Interaction of ascorbic acid and warfarin. JAMA 1972;219:1479. DOI
- Smith EC, Skalski RJ, Johnson GC, Rossi GV. Interaction of ascorbic acid and warfarin. JAMA 1972;221:1166. DOI
- Traxer O, Huet B, Poindexter J, et al. Effect of ascorbic acid consumption on urinary stone risk factors. J Urol 2003;170:397-401.. PubMed
- Domingo JL, Gomez M, Llobet JM, Richart C. Effect of ascorbic acid on gastrointestinal aluminum absorption (letter). Lancet 1991;338:1467.
- Domingo JL, Gomez M, Llobet JM, Corbella J. Influence of some dietary constituents on aluminum absorption and retention in rats. Kidney Int 1991;39:598-601. PubMed
- Partridge NA, Regnier FE, White JL, Hem SL. Influence of dietary constituents on intestinal absorption of aluminum. Kidney Int 1989;35:1413-7. PubMed
- Mc Leod DC, Nahata MC. Inefficacy of ascorbic acid as a urinary acidifier (letter). N Engl J Med 1977;296:1413. DOI
- Hansten PD, Hayton WL. Effect of antacid and ascorbic acid on serum salicylate concentration. J Clin Pharmacol 1980;20:326-31. PubMed
- Dysken MW, Cumming RJ, Channon RA, Davis JM. Drug interaction between ascorbic acid and fluphenazine. JAMA 1979;241:2008. DOI
- Vihtamaki T, Parantainen J, Koivisto AM, et al. Oral ascorbic acid increases plasma oestradiol during postmenopausal hormone replacement therapy. Maturitas 2002;42:129-35. PubMed
- Slain D, Amsden JR, Khakoo RA, et al. Effect of high-dose vitamin C on the steady-state pharmacokinetics of the protease inhibitor indinavir in healthy volunteers. Pharmacotherapy 2005;25:165-70. PubMed
- Cheung MC, Zhao XQ, Chait A, et al. Antioxidant supplements block the response of HDL to simvastatin-niacin therapy in patients with coronary artery disease and low HDL. Arterioscler Thromb Vasc Biol 2001;21:1320-6. PubMed
- Feetam CL, Leach RH, Meynell MJ. Lack of a clinically important interaction between warfarin and ascorbic acid. Toxicol Appl Pharmacol 1975;31:544-7. PubMed
- Weintraub M, Griner PF. Warfarin and ascorbic acid: lack of evidence for a drug interaction. Toxicol Appl Pharmacol 1974;28:53-6. PubMed
- Lee DH, Folsom AR, Harnack L, et al. Does supplemental vitamin C increase cardiovascular disease risk in women with diabetes? Am J Clin Nutr 2004;80:1194-200. PubMed
- Taylor EN, Stampfer MJ, Curhan GC. Dietary factors and the risk of incident kidney stones in men: new insights after 14 years of follow-up. J Am Soc Nephrol 2004;15:3225-32. PubMed
- Ward NC, Hodgson JM, Croft KD, et al. The combination of vitamin C and grape-seed polyphenols increases blood pressure: a randomized, double-blind, placebo-controlled trial. J Hypertens 2005;23:427-34.. PubMed
- Prasad KN. Rationale for using high-dose multiple dietary antioxidants as an adjunct to radiation therapy and chemotherapy. J Nutr 2004;134:3182S-3S. PubMed
- Conklin KA. Cancer chemotherapy and antioxidants. J Nutr 2004;134:3201S-3204S. PubMed
- Fairweather-Tait S, Hickson K, McGaw B, et al. Orange juice enhances aluminium absorption from antacid preparation. Eur J Clin Nutr. 1994;48(1):71-3.
- Gruenwald, J., Graubaum, H. J., Busch, R., and Bentley, C. Safety and tolerance of ester-C compared with regular ascorbic acid. Adv.Ther. 2006;23(1):171-178.
- Rahimi, R., Nikfar, S., Rezaie, A., and Abdollahi, M. A meta-analysis on the efficacy and safety of combined vitamin C and E supplementation in preeclamptic women. Hypertens.Pregnancy. 2009;28(4):417-434. PubMed
- Einerson, B., Nathorn, C., Kitiyakara, C., Sirada, M., and Thamlikitkul, V. The efficacy of ascorbic acid in suboptimal responsive anemic hemodialysis patients receiving erythropoietin: a meta-analysis. J Med.Assoc.Thai. 2011;94 Suppl 1:S134-S146.
- Li, G., Li, L., Yu, C., and Chen, L. Effect of vitamins C and E supplementation on Helicobacter pylori eradication: a meta-analysis. Br.J Nutr 2011;106(11):1632-1637.
- Chen X, Shen L, Gu X, et al. High-dose supplementation with vitamin C--induced pediatric urolithiasis: the first case report in a child and literature review. Urology. 2014;84(4):922-4. PubMed
- Sattar A, Willman JE, Kolluri R. Possible warfarin resistance due to interaction with ascorbic acid: case report and literature review. Am J Health Syst Pharm. 2013;70(9):782-6. PubMed
- Yaich S, Chaabouni Y, Charfeddine K, et al. Secondary oxalosis due to excess vitamin C intake: a cause of graft loss in a renal transplant recipient. Saudi J Kidney Dis Transpl. 2014;25(1):113-6. PubMed
- Jalloh MA, Gregory PJ, Hein D, et al. Dietary supplement interactions with antiretrovirals: a systematic review. Int J STD AIDS. 2017 Jan;28(1):4-15. PubMed
- Rumbold A, Ota E, Nagata C, Shahrook S, Crowther CA. Vitamin C supplementation in pregnancy. Cochrane Database Syst Rev. 2015;(9):CD004072. PubMed
- Seo MS, Kim JK, Shim JY. High-dose vitamin C promotes regression of multiple pulmonary metastases originating from hepatocellular carcinoma. Yonsei Med J. 2015;56(5):1449-52. PubMed
- Skelin M, Lucijanic T, Amidzic Klaric D, et al. Factors Affecting Gastrointestinal Absorption of Levothyroxine: A Review. Clin Ther. 2017 Feb;39(2):378-403. PubMed
- Jiang K, Tang K, Liu H, Xu H, Ye Z, Chen Z. Ascorbic acid supplements and kidney stones incidence among men and women: a systematic review and meta-analysis. Urol J. 2019;16(2):115-120.
- Thomas S, Patel D, Bittel B, et al. Effect of High-Dose Zinc and Ascorbic Acid Supplementation vs Usual Care on Symptom Length and Reduction Among Ambulatory Patients With SARS-CoV-2 Infection: The COVID A to Z Randomized Clinical Trial. JAMA Netw Open. 2 PubMed
- Giffen MA, McLemore JL. Hyperoxalosis Secondary to Intravenous Vitamin C Administration as a Non-Allopathic Treatment for Cancer. Acad Forensic Pathol 2019;9(1-2):118-126. PubMed
- Maike A, Sturgill D, Gallan A. Oxalate Nephropathy in a Renal Transplant Recipient After Receiving High Dose Ascorbic Acid. Am J Med Sci 2021. PubMed
- Shen ZY, Chen YR, Wang MC, Chang SS. High-dose vitamin C-induced acute oxalate nephropathy in a renal transplant recipient: a case report and literature review. Asian J Surg 2022. PubMed
- Yanase F, Spano S, Maeda A, et al. Mega-dose sodium ascorbate: a pilot, single-dose, physiological effect, double-blind, randomized, controlled trial. Crit Care 2023;27(1):371. PubMed
- Sharma Y, Sumanadasa S, Shahi R, et al. Efficacy and safety of vitamin C supplementation in the treatment of community-acquired pneumonia: a systematic review and meta-analysis with trial sequential analysis. Sci Rep 2024;14(1):11846. PubMed
- Pejcic AV, Petrovic NZ, Djordjic MD, Milosavljevic MN. Vitamin C Levels in Pregnant Women and the Efficacy of Vitamin C Supplements in Preventing Premature Rupture of Membranes: A Systematic Review and Meta-Analysis. Balkan Med J 2024;41(4):248-260. PubMed
Vitamin D 26 references
- McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
- Tatro DS, ed. Drug Interactions Facts. Facts and Comparisons Inc., St. Louis, MO. 1999.
- Koutkia P, Chen TC, Holick MF. Vitamin D intoxication associated with an over-the-counter supplement. N Engl J Med 2001;345:66-7. PubMed
- Bar-Or D, Yoel G. Calcium and calciferol antagonize effect of verapamil in atrial fibrillation. Br Med J 1981;282:1585-6.
- Demontis R, Leflon A, Fournier A, et al. 1 alpha(OH) vitamin D3 increases plasma aluminum in hemodialyzed patients taking AI(OH)3. Clin Nephrol 1986;26:146-9.
- Crowe M, Wollner L, Griffiths RA. Hypercalcemia following vitamin D and thiazide therapy in the elderly. Practitioner 1984;228:312-3.
- Parfitt AM. Thiazide-induced hypercalcemia in vitamin D-treated hypoparathyroidism. Ann Intern Med 1972;77:557-63. PubMed
- Thiazide diuretics and the risk of osteoporosis. Pharmacist's Letter/Prescriber's Letter 2003;19(11):191105.
- Moon J. The role of vitamin D in toxic metal absorption. J Am Coll Nutr 1994;13:559-64.
- Demontis R, Reissi D, Noel C, et al. Indirect clinical evidence that 1alphaOH vitamin D<SUB>3</SUB> increases the intestinal absorption of aluminum. Clin Nephrol 1989;31:123-7.
- Adler AJ, Berlyne GM. Duodenal aluminum absorption in the rat: effect of vitamin D. Am J Physiol 1985;249:G209-13. PubMed
- Schwartz JB. Effects of vitamin D supplementation in atorvastatin-treated patients: A new drug interaction with an unexpected consequence. Clin Pharmacol Ther 2009;85:198-203. PubMed
- Dietary reference intakes for calcium and vitamin D. Institute of Medicine, November 30, 2010. Available at: http://www.iom.edu/~/media/Files/Report%20Files/2010/Dietary-Reference-Intakes-for-Calcium-and-Vitamin-D/Vitamin%20D%20and%20Calcium%202010%20Repo
- Cox KA, Dunn MA. Aluminum toxicity alters the regulation of calbindin-D28k protein and mRNA expression in chick intestine. J Nutr 2001;131:2007-13. PubMed
- Escribano, J., Balaguer, A., Pagone, F., Feliu, A., and Roque, I. Figuls. Pharmacological interventions for preventing complications in idiopathic hypercalciuria. Cochrane.Database.Syst.Rev. 2009;(1):CD004754. PubMed
- Carlton, S., Clopton, D., and Cappuzzo, K. A. Vitamin D deficiency: appropriate replenishment therapies and the effects of vitamin D toxicity. Consult Pharm 2010;25(3):171-177. PubMed
- Wang, H., Xia, N., Yang, Y., and Peng, D. Q. Influence of vitamin D supplementation on plasma lipid profiles: a meta-analysis of randomized controlled trials. Lipids Health Dis. 2012;11:42. PubMed
- Turner AN, Carr Reese P, Fields KS, Anderson J, Ervin M, Davis JA, Fichorova RN, Roberts MW, Klebanoff MA, Jackson RD. A blinded, randomized controlled trial of high-dose vitamin D supplementation to reduce recurrence of bacterial vaginosis. Am J Obstet G PubMed
- Weiner M, Epstein FH. Signs and symptoms of electrolyte disorders. Yale J Biol Med. 1970;43(2):76-109.
- Lappe J, Watson P, Travers-Gustafson D, Recker R, Garland C, Gorham E, Baggerly K, McDonnell SL. Effect of Vitamin D and Calcium Supplementation on Cancer Incidence in Older Women: A Randomized Clinical Trial. JAMA. 2017 Mar 28;317(12):1234-1243. PubMed
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Bifidobacterium Animalis Subsp. Lactis 8 references
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Lactobacillus Acidophilus 15 references
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See these in context on the Lactobacillus Acidophilus monograph →
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