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Dietary supplement

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious Ingredients & Drug Interactions

by up4

Gummy Or Jelly Category: Other Combinations
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious is a dietary supplement by up4 with 4 active ingredients. Its ingredients are commonly taken for common cold and immune support, antioxidant support, skin health and collagen formation.Based on those ingredients, 472 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Vitamin C, Bacillus coagulans, Bacillus subtilis. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4

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.

From our pharmacy team — supplement deep dive

What’s inside

Partial disclosure
Ingredient Transparency · database check
Partial

Most active ingredients list an amount, but at least one is hidden in a blend or missing.

Why this rating?
  • The label discloses an exact amount for 2 of its 4 active ingredients.
  • “A Proprietary Probiotic Blend” is a proprietary blend — the label gives one combined amount (10 mg) without saying how much of each component you get.

This product contains 4 active ingredients. Vitamin C supports immune health and is essential for fighting off infections and maintaining healthy skin and connective tissue.

The two live probiotic strains—Bacillus coagulans and Bacillus subtilis—are beneficial bacteria meant to support digestive health and gut balance. Inulin is a prebiotic fiber that acts as food for those good bacteria, helping them thrive in your child's digestive system.

The gummies also contain several inactive ingredients (water, cane sugar, pectin, natural flavors, sodium citrate, citric acid, natural colors, fractionated coconut oil, and corn starch) that give them their berry taste and chewy texture.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Digestive and immune support for children.
  • We looked for evidence on: Antibiotic-associated diarrhea, Constipation, Diarrhea, Flatulence, Gut health, Microbiome balance — and 1 related terms.
  • The strongest evidence on file: Inulin is rated "Possibly Effective" for Constipation (Natural Medicines).
  • Also on file: Bacillus Coagulans is rated "Possibly Effective" for Constipation.
  • Also on file: Bacillus Subtilis is rated "Possibly Effective" for Antibiotic-associated diarrhea.

Vitamin C is effective for preventing vitamin C deficiency and possibly effective for anemia, atrial fibrillation, cataracts, and reducing respiratory infections from exercise. Bacillus coagulans is possibly effective for constipation and irritable bowel syndrome, though evidence for antibiotic-associated diarrhea and athletic performance is not yet established.

Bacillus subtilis is possibly effective for antibiotic-associated diarrhea. Inulin is possibly effective for constipation, blood sugar control in diabetes, and weight management.

Evidence for other uses—such as cancer prevention or liver health—is not established in the data we hold.

The evidence, ingredient by ingredient Vitamin C Bacillus Coagulans Bacillus Subtilis Inulin

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 4 of the 4 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 4 of 4.
  • General safety write-ups exist for 4 of 4.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Vitamin C is generally well tolerated at the doses found in food and normal supplements, though very high doses can cause stomach upset, diarrhea, or kidney stones in people prone to them. Bacillus coagulans and Bacillus subtilis are generally well tolerated in healthy children, but limited safety data exist and product quality varies.

Inulin commonly causes gas, bloating, or stomach cramping, especially at higher doses; starting low and going slow can help. The safety notes advise talking with your doctor before use if your child has ongoing health concerns or takes medications.

Side effects, ingredient by ingredient Vitamin C Bacillus Coagulans Bacillus Subtilis Inulin

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 4 of the 4 matched ingredients can interact with medications — Vitamin C, Inulin, Bacillus Coagulans, Bacillus Subtilis.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; cancer treatments; diabetes medications.
  • For scale: 472 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before you give this to your child, double-check if they take any estrogen-based medications like birth control (moderate), blood thinners such as warfarin (moderate), chemotherapy drugs (moderate), antibiotics (moderate—separate timing helps), thyroid medication like levothyroxine (moderate), or diabetes medications (minor). No interactions are documented for the proprietary probiotic blend itself; we could not check it separately since its exact component strains are not named.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glancePartially disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This kids' probiotic-prebiotic gummy is designed to support digestive health and immunity. It's reasonable for generally healthy children, but if your child takes any prescription medications—especially birth control (for older teens), blood thinners, antibiotics, diabetes medication, thyroid medication, or chemotherapy—check with your own doctor or pharmacist before starting.

If your child is prone to stomach upset, start with a lower dose to see how they tolerate the prebiotic fiber.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 4 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Apr 23, 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

At a glance

General information

Key facts about up4 Probiotic + Prebiotic Kids Gummies Berry Delicious, straight from the product label.

Brand up4
Barcode (UPC) 725334005506
Net contents 30 Gummie(s)
Market status On market
Date entered into DSLD Apr 23, 2020
DSLD ID 218216
Product type Other Combinations
Supplement form Gummy Or Jelly
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Children 4 or More Years of Age, Vegan, Vegetarian, Children more than 1 but less than 4
From the label
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 up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Gummy(ies)
Maximum serving Sizes:
1 Gummy(ies)
Servings per container
30
UPC/BARCODE
725334005506
IngredientAmount% DV
Calories10 Calorie(s)--
Total Carbohydrates2 Gram(s)1%, 1%
Vitamin C15 mg100%, 17%
Added Sugars1 Gram(s)2%, 1%
Total Sugars1 Gram(s)--
Bacillus coagulans0 NP--
A Proprietary Probiotic Blend10 mg--
Inulin1 Gram(s)--
Bacillus subtilis0 NP--

Other ingredients: Water, Cane Sugar, Pectin, Natural flavors, Sodium Citrate, Citric Acid, Natural colors, fractionated Coconut Oil, Corn Starch

Tap any ingredient to jump to its full detail below.

Label statements
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.
Formula

Probiotics

Vitamin C boost

Natural flavors

Probiotics Our selectively chosen strains work naturally with your child's body to support healthy daily digestion in little tummies Prebiotics Contains 1g inulin, a known prebiotic sourced from chicory root Vitamin C A super way to help support your little one's healthy immune system.

Formulation

Digestive + immune support

Gelatin-free

Non GMO

Vegan

General Statements

Made with simple goodness

The fun & yummy way to support your kiddo's overall health & wellness

Made in Canada.

FDA Statement of Identity

Vegan probiotic supplement

Suggested/Recommended/Usage/Directions

Directions: For children 3 and up, chew one (1) gummy daily.

Storage

Store in a cool, dry place away from direct sunlight.

Precautions

Keep out of reach of children. Not intended for children under 3 years of age due to risk of choking.

Caution: Do not take if seal is broken. Inform a healthcare professional before starting any dietary supplement, particularly if there is a known immunecompromised condition.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

See for yourself

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4 label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Gummy(ies) Dosage formGummy Or Jelly 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 with
207 drugs
15 mg per serving Form: Ascorbic Acid

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 & interactions

A Proprietary Probiotic Blend

10 mg per serving

Inulin

Interacts with
86 drugs
1 Gram(s) per serving Form: Chicory root extract

Inulin is a type of plant fiber (a prebiotic) found naturally in foods like chicory root, onions, and garlic, and it is widely added to supplements an...

Inulin monograph & interactions

Other (inactive) ingredients: Water, Cane Sugar, Pectin, Natural flavors, Sodium Citrate, Citric Acid, Natural colors, Fractionated Coconut Oil, Corn Starch. These complete the product’s ingredient list but are not active constituents.

Interaction report

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4 Drug Interactions

Want to check YOUR meds against up4 Probiotic + Prebiotic Kids Gummies Berry Delicious?

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 checker
472Drugs
280 Moderate 192 Minor

Ingredients driving the most interactions

Vitamin C 207
Inulin 86

Each ingredient & the kinds of drugs it affects

For each ingredient in up4 Probiotic + Prebiotic Kids Gummies Berry Delicious 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 C13 drug types · 207 drugs

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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence B
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence B
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.

Likelihood Possible Evidence B
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.

Likelihood Possible Evidence A
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.

Likelihood Possible Evidence B

Bacillus coagulans1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking antibiotics with Bacillus coagulans might decrease the effectiveness of B. coagulans.
B. coagulans 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 B. coagulans preparations by at least two hours.

Likelihood Probable Evidence D

Bacillus subtilis1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Bacillus subtilis with antibiotic drugs might decrease the effectiveness of B. subtilis.
Since B. subtilis preparations usually contain live and active organisms, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and B. subtilis preparations by at least 2 hours.

Likelihood Probable Evidence D

Inulin1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, inulin might increase the risk of hypoglycemia with antidiabetes drugs.
Some clinical research shows that inulin improves glycemic control in patients with diabetes; however, it is unclear if it has hypoglycemic effects.

Likelihood Unlikely Evidence D
The maker

Brand information

Manufacturer and brand details for up4 Probiotic + Prebiotic Kids Gummies Berry Delicious, from the product label.

up4

Name
i-Health, Inc.
Street Address
55 Sebethe Drive
City
Cromwell
State
CT
ZipCode
06416
Phone Number
1-800-722-3476
Web Address
www.up4probiotics.com
Pharmacist Counseling Corner

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4: Common Questions

Does up4 Probiotic + Prebiotic Kids Gummies Berry Delicious by up4 interact with any medications?
Yes. Based on its ingredients, up4 Probiotic + Prebiotic Kids Gummies Berry Delicious has a known interaction with 472 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
up4 Probiotic + Prebiotic Kids Gummies Berry Delicious contains 4 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can my child take this with antibiotics?
Taking the gummies at the same time as antibiotics may kill off the live bacteria in them, making the probiotics ineffective. It's best to separate them by at least a couple of hours—ask your child's doctor or pharmacist for the exact timing that works with their antibiotic.
Will this cause stomach upset?
Inulin, the prebiotic fiber, commonly causes gas, bloating, or cramping, especially if your child isn't used to it. Starting with a lower dose and building up over a few days often helps your child's digestive system adjust.
Is this safe during pregnancy or while breastfeeding?
Vitamin C and inulin at normal amounts are likely safe during pregnancy and breastfeeding. Bacillus subtilis pregnancy safety data are not on file—talk with your doctor or pharmacist about this product if you're pregnant or nursing to get personalized advice.
Does this actually help with constipation or IBS?
Both Bacillus coagulans and inulin are possibly effective for constipation, and Bacillus coagulans is possibly effective for irritable bowel syndrome. The evidence is there, but results vary from child to child.
What does the proprietary blend mean—what's actually in it?
The label groups the probiotic strains as a proprietary blend, which means the exact breakdown by strain is not listed. The individual strains (Bacillus coagulans and Bacillus subtilis) are named separately elsewhere on the label, so you know what's there—just not the dose of each one.
Is there anything else in here besides the probiotics and prebiotic?
Yes, the gummies also contain vitamin C for immune support, plus inactive ingredients like pectin, natural flavors, citric acid, and natural colors to make them berry-flavored and chewy.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if up4 Probiotic + Prebiotic Kids Gummies Berry Delicious is safe with your meds?

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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.

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious label
Sources

Sources & How We Checked

up4 Probiotic + Prebiotic Kids Gummies Berry Delicious'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.

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 98 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
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. 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.
  3. Morris JC, Beeley L, Ballantine N. Interaction of ethinyloestradiol with ascorbic acid in man [letter]. Br Med J (Clin Res Ed) 1981;283:503.
  4. Labriola D, Livingston R. Possible interactions between dietary antioxidants and chemotherapy. Oncology 1999;13:1003-8.
  5. 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
  6. Levine M, Rumsey SC, Daruwala R, et al. Criteria and recommendations for vitamin C intake. JAMA 1999;281:1415-23. PubMed
  7. Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
  8. Segal S, Kaminski S. Drug-nutrient interactions. American Druggist 1996 Jul;42-8.
  9. 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/.
  10. Houston JB, Levy G. Drug biotransformation interactions in man VI: Acetaminophen and ascorbic acid. J Pharm Sci 1976;65:1218-21. PubMed
  11. 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
  12. Rosenthal G. Interaction of ascorbic acid and warfarin. JAMA 1971;215:1671. DOI
  13. Hume R, Johnstone JM, Weyers E. Interaction of ascorbic acid and warfarin. JAMA 1972;219:1479. DOI
  14. Smith EC, Skalski RJ, Johnson GC, Rossi GV. Interaction of ascorbic acid and warfarin. JAMA 1972;221:1166. DOI
  15. 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
  16. Domingo JL, Gomez M, Llobet JM, Richart C. Effect of ascorbic acid on gastrointestinal aluminum absorption (letter). Lancet 1991;338:1467.
  17. 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
  18. Partridge NA, Regnier FE, White JL, Hem SL. Influence of dietary constituents on intestinal absorption of aluminum. Kidney Int 1989;35:1413-7. PubMed
  19. Mc Leod DC, Nahata MC. Inefficacy of ascorbic acid as a urinary acidifier (letter). N Engl J Med 1977;296:1413. DOI
  20. Hansten PD, Hayton WL. Effect of antacid and ascorbic acid on serum salicylate concentration. J Clin Pharmacol 1980;20:326-31. PubMed
  21. Dysken MW, Cumming RJ, Channon RA, Davis JM. Drug interaction between ascorbic acid and fluphenazine. JAMA 1979;241:2008. DOI
  22. 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
  23. 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
  24. 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
  25. 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
  26. Weintraub M, Griner PF. Warfarin and ascorbic acid: lack of evidence for a drug interaction. Toxicol Appl Pharmacol 1974;28:53-6. PubMed
  27. 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
  28. 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
  29. 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
  30. 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
  31. Conklin KA. Cancer chemotherapy and antioxidants. J Nutr 2004;134:3201S-3204S. PubMed
  32. 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.
  33. 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.
  34. 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
  35. 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.
  36. 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.
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  38. 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
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Bacillus Coagulans 20 references
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Inulin 17 references
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Bacillus Subtilis 10 references
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

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