HLC Synbiotic Intensive Ingredients & Drug Interactions
by Pharmax
What is this page for?
First and foremost: checking HLC Synbiotic Intensive 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
HLC Synbiotic Intensive is a dietary supplement by Pharmax with 6 active ingredients. Its ingredients are commonly taken for constipation, diarrhea, high cholesterol.Based on those ingredients, 2,083 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Dietary Fiber, Bifidobacterium bifidum (CUL 20), Lactobacillus acidophilus (CUL-60 & CUL-21). Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against HLC Synbiotic Intensive by Pharmax
Ask about any prescription or over-the-counter medication and we check it for interactions with HLC Synbiotic Intensive by Pharmax — 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 HLC Synbiotic Intensive by Pharmax
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
HLC Synbiotic Intensive contains 5 active ingredients: a mix of beneficial bacteria (probiotics) and a prebiotic fiber called FOS that feeds them. The probiotics are Bifidobacterium bifidum, Lactobacillus salivarius, Lactobacillus acidophilus, and Bifidobacterium animalis lactis — all strains commonly used to support digestive and immune health.
The powder also contains apricot powder and maltodextrin as inactive ingredients for taste and texture.
Does it work?
Strong evidence
The evidence for what this product does varies by strain. Bifidobacterium bifidum has possibly effective evidence for irritable bowel syndrome (IBS) and respiratory tract infections, though evidence for hay fever and other conditions is too sparse to rate.
Lactobacillus acidophilus shows possibly effective evidence for IBS, Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis — though for other conditions the evidence is either lacking or leans toward ineffective. We don't have effectiveness data on file for FOS, Lactobacillus salivarius, or Bifidobacterium animalis lactis.
How safe is it?
Well-documented data
Both Bifidobacterium bifidum and Lactobacillus acidophilus are generally well tolerated in healthy people. Uncommon gastrointestinal side effects with L. acidophilus in combination products can include bloating, gas, abdominal discomfort, or diarrhea.
If you have a weakened immune system, talk with your doctor before using this product — live probiotics carry some theoretical risk in that setting, though serious infections are rare. Pregnancy and lactation safety data show both strains are possibly safe in pregnancy, but lactation data are not on file, so discuss that situation with your doctor or pharmacist.
Meds to double-check
Moderate interaction found
The main medication type to double-check is antibiotic drugs — the live bacteria in this product can be killed by antibiotics, which would reduce the probiotic's effectiveness. Timing the doses several hours apart can help.
We couldn't verify interactions for three of the five ingredients (FOS, Lactobacillus salivarius, and Bifidobacterium animalis lactis), so unknown interactions involving them are possible.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with clinical evidence supporting its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
This product may help if you have IBS or are dealing with antibiotic-related diarrhea, but the evidence is stronger for some conditions than others. If you're taking antibiotics now or about to start them, time your doses carefully and check with your pharmacist first.
People with weakened immune systems should discuss it with their doctor before starting. Talk it over with your own healthcare provider to see if it makes sense for your situation.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jun 22, 2023.
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 HLC Synbiotic Intensive, straight from the product label.
| Brand | Pharmax |
|---|---|
| Barcode (UPC) | 883196202119 |
| Net contents | 7 Sachet(s); 140 Gram(s); 4.94 Ounce(s) |
| Market status | On market |
| Date entered into DSLD | Jun 22, 2023 |
| DSLD ID | 288303 |
| Product type | Other Combinations |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, Dairy Free |
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 HLC Synbiotic Intensive by Pharmax, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Dietary Fiber | 12 Gram(s) | 44% |
| Added Sugars | 1 Gram(s) | 2% |
| Calories | 50 Calorie(s) | -- |
| Total Carbohydrate | 18 Gram(s) | 6% |
| Total Sugars | 2 Gram(s) | -- |
| FOS | 10 Gram(s) | -- |
| Bifidobacterium bifidum (CUL 20) | 0 NP | -- |
| Lactobacillus salivarius (CUL 61) | 0 NP | -- |
| Lactobacillus acidophilus (CUL-60 & CUL-21) | 0 NP | -- |
| HLC Consortium | 0 NP | -- |
| Bifidobacterium animalis lactis (CUL34) | 0 NP | -- |
Other ingredients: Apricot, Powder, 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.
Formula
Human Lactic Commensals (HLC) probiotics have been extensively researched, including randomized, placebo-controlled human clinical trials. These proprietary strains are compatible with the human gastrointestinal tract and are selected based on their high quality and viability.
Contains research driven probiotic strains
Suggested/Recommended/Usage/Directions
Recommended intake: In a glass, add water to 1 sachet (20 g) and mix. Take once daily or as professionally directed. Take 2 hours before or after taking medications or other supplements since the absorption of these products may be delayed.
Precautions
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Caution: If you are immunocompromised, consult your health professional before using probiotic-containing products. Use only if safety seal is intact.
Keep out of the reach of children.
Storage
Store under refrigeration (below 46 degrees F).
General Statements
Packaged by weight, now volume. Settling may occur.
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.
FDA Statement of Identity
Probiotic Supplement
Formulation
Supports gastrointestinal health and a healthy microflora
Gluten free and dairy free
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
HLC Synbiotic Intensive by Pharmax 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 HLC Synbiotic Intensive by Pharmax
These are the 6 active ingredients this product is made of. Select any to open its full monograph.
Serving size20 Gram(s) Dosage formPowder Servings per container7 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.
Dietary Fiber
Interacts with2,025 drugs
Black psyllium is a soluble-fiber supplement made from the seeds of a Plantago plant, used mostly to ease constipation and support digestive health. I...
Dietary Fiber monograph & interactionsFOS
HLC Consortium
- › Bifidobacterium bifidum (CUL 20)
- › Lactobacillus salivarius (CUL 61)
- › Lactobacillus acidophilus (CUL-60 & CUL-21)
- › Bifidobacterium animalis lactis (CUL34)
Other (inactive) ingredients: Apricot, Powder, Maltodextrin. These complete the product’s ingredient list but are not active constituents.
HLC Synbiotic Intensive by Pharmax Drug Interactions
HelloPharmacist Interaction Report
HLC Synbiotic Intensive by Pharmax contains Bifidobacterium bifidum and Lactobacillus acidophilus, both of which interact with antibiotic drugs.
Taking either of these live-organism probiotics at the same time as antibiotics is a Moderate concern — the antibiotics may kill enough of the beneficial bacteria to reduce how well the probiotic works. The solution is straightforward: separate when you take them.
Read the full breakdown — every affected drug type, severity by severity
We couldn't check FOS, Lactobacillus salivarius, or Bifidobacterium animalis lactis — we hold no interaction data for those ingredients — so interactions involving them remain unknown. Altogether, these interactions span 182 individual medications.
If you're on an antibiotic right now or about to start one, check your exact medications with the search tool on this page before adding this product, and talk it over with your doctor or pharmacist about timing.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against HLC Synbiotic Intensive?
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 HLC Synbiotic Intensive interact with 2,083 drugs. Click any drug to see the details.
3 of the 6 ingredients in HLC Synbiotic Intensive interact with drugs. Each result below shows which ingredient is responsible. Dietary Fiber Bifidobacterium bifidum (CUL 20) Lactobacillus acidophilus (CUL-60 & CUL-21)
"phentolamineOraVerse, Rogitine, Ryzumvi
How "phentolamine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + "phentolamine interaction6-mercaptopurinePurinethol
How 6-mercaptopurine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + 6-mercaptopurine interactionAbacavirZiagen
How Abacavir interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abacavir interactionAbacavir Sulfate, Dolutegravir, LamivudineTriumeq
How Abacavir Sulfate, Dolutegravir, Lamivudine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abacavir Sulfate, Dolutegravir, Lamivudine interactionAbacavir, LamivudineEpzicom
How Abacavir, Lamivudine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abacavir, Lamivudine interactionAbciximabReoPro
How Abciximab interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abemaciclib interactionAbiraterone
How Abiraterone interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acalabrutinib interactionAcamprosateCampral
How Acamprosate interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acamprosate interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acenocoumarol interactionAcepromazineAtravet
How Acepromazine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acepromazine interactionAcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength
How Acetaminophen interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu
How Acetaminophen, Brompheniramine, Phenylpropanolamine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Brompheniramine, Phenylpropanolamine interactionAcetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more
How Acetaminophen, Butalbital interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Butalbital interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Butalbital, CodeineBancap w/ Codeine
How Acetaminophen, Butalbital, Codeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Butalbital, Codeine interactionAcetaminophen, Butalbital, Codeine PhosphatePhrenilin #3
How Acetaminophen, Butalbital, Codeine Phosphate interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Butalbital, Codeine Phosphate interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with HLC Synbiotic Intensive — through 1 ingredient. Tap an ingredient for the detail:
Dietary FiberOral Drugs Minor
Interaction Summary
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Read the full Dietary Fiber + Acetaminophen, Caffeine, Isometheptene interactionEach ingredient & the kinds of drugs it affects
For each ingredient in HLC Synbiotic Intensive 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.
Dietary Fiber
Carbamazepine (Tegretol)
Theoretically, black psyllium might reduce the effects of carbamazepine and increase the risk for convulsions.
Theoretically, black psyllium might reduce carbamazepine absorption. A preliminary study using blond psyllium reported decreased carbamazepine bioavailability due to binding of the drug to psyllium, as well as reduction of available fluid in the gut for dissolution of the drug. This interaction may also occur with black psyllium.
Lithium
Theoretically, taking black psyllium at the same time as lithium might reduce lithium absorption.
The fiber in black psyllium might reduce lithium absorption and plasma levels. Some case reports describe a reduction in plasma lithium levels with concomitant administration of blond psyllium. This was reversed when psyllium was stopped. This interaction may also occur with black psyllium.
Metformin (Glucophage)
Theoretically, black psyllium might increase the therapeutic and adverse effects of metformin.
Animal research shows that concurrent consumption of blond psyllium with metformin slows and increases the absorption of metformin. This interaction may also occur with black psyllium. To avoid changes in absorption, take psyllium 30-60 minutes after metformin.
Olanzapine (Zyprexa)
Theoretically, taking black psyllium at the same time as olanzapine might reduce olanzapine absorption.
The fiber in black psyllium might decrease the absorption of olanzapine. A single case report describes a reduction in the effectiveness of olanzapine when it was concomitantly administered with an unspecified type of psyllium 3 grams orally twice daily. This effect was reversed when psyllium was stopped.
Digoxin (Lanoxin)
Theoretically, taking black psyllium at the same time as digoxin might reduce digoxin absorption and decrease digoxin levels.
Psyllium might bind digoxin in the gut. However, some clinical evidence suggests that psyllium does not impact digoxin absorption.
Ethinyl Estradiol
Theoretically, taking black psyllium at the same time as ethinyl estradiol might alter levels of estradiol.
Concurrent use of blond psyllium with ethinyl estradiol results in a slight increase in the extent of ethinyl estradiol absorption and a slower rate of absorption. This is unlikely to be clinically significant.
Oral Drugs
Theoretically, psyllium might increase, decrease, or have no effect on the absorption of oral drugs.
Psyllium seems to have variable effects on drug absorption. To avoid changes in absorption, take psyllium 30-60 minutes after oral medications. Animal research shows that blond psyllium delays and increases the absorption of metformin and ethinyl estradiol. Case reports and animal research suggest that blond psyllium might reduce absorption of lithium, digoxin, olanzapine, and carbamazepine. Finally, some pharmacokinetic studies show that psyllium does not affect the absorption of levothyroxine or warfarin. Although many of these studies evaluated blond psyllium, the fiber content in black psyllium may have similar effects.
Bifidobacterium bifidum (CUL 20)
Antibiotic Drugs
Theoretically, taking Bifidobacterium. bifidum with antibiotic drugs might decrease the effectiveness of B. bifidum.
Since B. bifidum 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. bifidum preparations by at least 2 hours.
Lactobacillus acidophilus (CUL-60 & CUL-21)
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 HLC Synbiotic Intensive, from the product label.
Pharmax
See all Pharmax products- Name
- Seroyal USA
- City
- Pittsburg
- State
- PA
- ZipCode
- 15275
- Phone Number
- 1-888-737-6925
HLC Synbiotic Intensive by Pharmax: Common Questions
Does HLC Synbiotic Intensive by Pharmax interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this while I'm on antibiotics?
Will this help my IBS?
What are the side effects?
Is it safe to take while pregnant?
What does FOS do?
Do I need to refrigerate this powder?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if HLC Synbiotic Intensive is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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 HLC Synbiotic Intensive’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Black Psyllium
Interacts with 2,025 drugsBlack psyllium is a soluble-fiber supplement made from the seeds of a Plantago plant, used mostly to ease constipation and support digestive health. It is best known and most studied for rel...
Read the full Black Psyllium 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 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 →Sources & How We Checked
HLC Synbiotic Intensive'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 40 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.
Black Psyllium 18 references
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
- Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
- Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
- Etman M. Effect of a bulk forming laxative on the bioavailablility of carbamazepine in man. Drug Dev Ind Pharm 1995;21:1901-6.
- Perlman BB. Interaction between lithium salts and ispaghula husk. Lancet 1990;335:416.
- Vaswani SK, Hamilton RG, Valentine MD, Adkinson NF. Psyllium laxative-induced anaphylaxis, asthma, and rhinitis. Allergy 1996;51:266-8. PubMed
- Lantner RR, Espiritu BR, Zumerchik P, Tobin MC. Anaphylaxis following ingestion of a psyllium-containing cereal. JAMA 1990;264:2534-6. DOI
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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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