Interactions on record — worth a quick check against your medications. Based on 1 of 2 ingredients. Check your meds →
Dietary supplement

Psyllium Husk 850 mg Ingredients & Drug Interactions

by tnvitamins

Psyllium Husk 850 mg label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Psyllium Husk 850 mg 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

The interaction bottom line Most serious interaction: Moderate

Psyllium Husk 850 mg is a dietary supplement by tnvitamins with 2 active ingredients. Its ingredients are commonly taken for digestive health and balance, diarrhea (including antibiotic-related), vaginal yeast and bacterial infections.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Lactobacillus acidophilus. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Psyllium Husk 850 mg by tnvitamins

Ask about any prescription or over-the-counter medication and we check it for interactions with Psyllium Husk 850 mg by tnvitamins — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Psyllium Husk 850 mg by tnvitamins

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Sep 10, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains 2 active ingredients: Psyllium husk powder, a soluble fiber that absorbs water in the digestive tract, and Lactobacillus acidophilus, a live probiotic bacterium. The capsule itself is made from gelatin, and magnesium stearate is used as an inactive ingredient to help with manufacturing.

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: Dietary fiber support.
  • We looked for evidence on: Constipation, Irritable bowel syndrome (IBS), Inflammatory bowel disease (IBD), Lactose intolerance, digestive regularity, bowel health.
  • The strongest evidence on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Irritable bowel syndrome (IBS) (Natural Medicines).
  • Also on file: Lactobacillus Acidophilus is rated "Insufficient Reliable Evidence To Rate" for Constipation, Inflammatory bowel disease (IBD), Lactose intolerance.

Lactobacillus acidophilus in this product is possibly effective for irritable bowel syndrome (IBS), Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis. The evidence for atopic disease (allergic conditions) suggests it is possibly ineffective, and there isn't enough reliable evidence yet to rate its use for acute respiratory distress syndrome.

We don't have effectiveness data on file for psyllium husk powder.

The evidence, ingredient by ingredient Lactobacillus Acidophilus

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Lactobacillus acidophilus is generally well tolerated in healthy adults and children. Some people taking it alongside other probiotics have reported mild gastrointestinal side effects like stomach discomfort, gas, bloating, or diarrhea, though these are uncommon.

In rare cases, L. acidophilus has been linked to serious infections in immunocompromised patients, though most experts believe this happens when bacteria naturally present in the body move to other sites rather than from the supplement itself. Check with your doctor before using this product, especially if you have a weakened immune system.

Side effects, ingredient by ingredient Lactobacillus Acidophilus

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?
  • 1 of the 1 matched ingredient can interact with medications — Lactobacillus Acidophilus.
  • The most serious interaction on file is rated Moderate.
  • For scale: 182 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 take this, check with your doctor or pharmacist if you're on antibiotic drugs — they can lower the effectiveness of the L. acidophilus in here and need to be timed separately from the supplement.

Check your own medication Run your meds through the checker above

The bottom line

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

This product may help with IBS, antibiotic-related diarrhea, and a few other digestive or bacterial issues if you fit those categories. If you take antibiotics, space them apart from this supplement so the probiotic survives.

Talk with your doctor or pharmacist before starting, particularly if you're immunocompromised or have serious health conditions.

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

Assessment coverage: 1 of 2 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 Psyllium Husk 850 mg, straight from the product label.

Brand tnvitamins
Barcode (UPC) 095234193635
Net contents 250 Capsule(s)
Market status On market
Date entered into DSLD Apr 23, 2020
DSLD ID 217811
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years)
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 Psyllium Husk 850 mg by tnvitamins, 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:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
125
UPC/BARCODE
095234193635
IngredientAmount% DV
Psyllium husk powder1700 mg--
Lactobacillus acidophilus0.2 mg--

Other ingredients: Magnesium Stearate, Gelatin Capsule

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

Psyllium Husk with acidophilus

Fantastic dietary fiber

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take two (2) capsules with a minimum of 8 oz. of water once daily, or as directed by a health care professional. Begin gradually, to allow your body to adjust to the increase in fiber intake.

Precautions

Caution: Pregnant or lactating women should consult a doctor before use.

If you are under medical supervision, please consult a doctor before use. Discontinue use and consult a doctor if any adverse reactions occur.

Keep out of reach of children.

Notice: Take this product with 8 ounces of fluids. Taking this product without adequate fluid may cause the possibility of choking. Do not take this product if you have difficulty swallowing. If you experience chest pain, vomiting or difficulty in swallowing or breathing after taking this product, seek immediate medical attention. Do not take before sleeping.

Fiber products may affect the absorption of many medications. Do not take this product within 1.5 hours of taking medications.

Storage

Store in a cool, dry place.

General Statements

Reorder tnvitamins.com 800-645-4446

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Psyllium Husk 850 mg by tnvitamins label

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

Psyllium Husk 850 mg label

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)
What’s inside

The Ingredients in Psyllium Husk 850 mg by tnvitamins

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Capsule(s) Dosage formCapsule Servings per container125 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.

Psyllium husk powder

1700 mg per serving

Lactobacillus acidophilus

Interacts with
182 drugs
0.2 mg per serving

Lactobacillus acidophilus is a 'friendly' bacterium used as a probiotic to support gut and vaginal health. It is generally well tolerated in healthy p...

Lactobacillus acidophilus monograph & interactions

Other (inactive) ingredients: Magnesium Stearate, Gelatin Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

Psyllium Husk 850 mg by tnvitamins Drug Interactions

Want to check YOUR meds against Psyllium Husk 850 mg?

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
182Drugs
182 Moderate

Ingredients driving the most interactions

Lactobacillus acidophilus 182

Individual Drug Interactions

The ingredients in Psyllium Husk 850 mg interact with 182 drugs. Click any drug to see the details.

1 of the 2 ingredients in Psyllium Husk 850 mg interact with drugs. Each result below shows which ingredient is responsible. Lactobacillus acidophilus

Each ingredient & the kinds of drugs it affects

For each ingredient in Psyllium Husk 850 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Lactobacillus acidophilus1 drug type · 182 drugs

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.

Likelihood Probable Evidence D
Lactobacillus acidophilus full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Psyllium Husk 850 mg, from the product label.

tnvitamins

See all tnvitamins products
Name
TOTAL NUTRITION, INC.
City
FARMINGDALE
State
NY
ZipCode
11735
Phone Number
800-645-4446
Web Address
tnvitamins.com
Pharmacist Counseling Corner

Psyllium Husk 850 mg by tnvitamins: Common Questions

Does Psyllium Husk 850 mg by tnvitamins interact with any medications?
Yes. Based on its ingredients, Psyllium Husk 850 mg has a known interaction with 182 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Psyllium Husk 850 mg contains 2 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 I take this while I'm on antibiotics?
Not at the same time. Antibiotics can kill the live bacteria in this supplement, making it less effective. Ask your doctor or pharmacist how far apart to take them — usually a few hours helps.
Will this help my IBS?
The Lactobacillus acidophilus in this product is possibly effective for IBS, meaning the evidence is promising but not conclusive. Results vary from person to person, so give it time and monitor how you feel.
Are there any common side effects?
Most people tolerate it well. Some people report mild stomach discomfort, gas, or bloating, especially if they're taking other probiotics too, but these are uncommon.
Is it safe to take if I'm pregnant?
The Lactobacillus acidophilus in this product is rated possibly safe during pregnancy, but we don't have pregnancy data on file for the psyllium husk powder. Talk with your doctor or pharmacist before taking it while pregnant.
What does psyllium husk do?
It's a soluble fiber that absorbs water in your digestive system, helping to bulk up stool and support regular bowel movements.

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

Not sure if Psyllium Husk 850 mg is safe with your meds?

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Ask a pharmacist

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.

Psyllium Husk 850 mg label
Go deeper

The Full Monographs Behind Psyllium Husk 850 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Lactobacillus Acidophilus

Interacts with 182 drugs

Lactobacillus 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

Sources & How We Checked

Psyllium Husk 850 mg'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 15 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.

Lactobacillus Acidophilus 15 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Begtrup LM, de Muckadell OB, Kjeldsen J, Christensen RD, Jarbøl DE. Long-term treatment with probiotics in primary care patients with irritable bowel syndrome--a randomised, double-blind, placebo controlled trial. Scand J Gastroenterol 2013;48(10):1127-35 PubMed
  3. Chatterjee S, Kar P, Das T, Ray S, Gangulyt S, Rajendiran C, Mitra M. Randomised placebo-controlled double blind multicentric trial on efficacy and safety of Lactobacillus acidophilus LA-5 and Bifidobacterium BB-12 for prevention of antibiotic-associated
  4. Shavakhi A, Tabesh E, Yaghoutkar A, Hashemi H, Tabesh F, Khodadoostan M,Minakari M, Shavakhi S, Gholamrezaei A. The effects of multistrain probiotic compound on bismuth-containing quadruple therapy for Helicobacter pylori infection: a randomized placebo-c
  5. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  6. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  7. Kumar S, Kumar R, Rohilla L, Jacob N, Yadav J, Sachdeva N. A high potency multi-strain probiotic improves glycemic control in children with new-onset type 1 diabetes mellitus: A randomized, double-blind, and placebo-controlled pilot study. Pediatr Diabete
  8. Shahriari A, Karimi E, Shahriari M, Aslani N, Khooshideh M, Arab A. The effect of probiotic supplementation on the risk of gestational diabetes mellitus among high-risk pregnant women: A parallel double-blind, randomized, placebo-controlled clinical trial PubMed
  9. Xiao SD, Zhang DZ, Lu H, et al. Multicenter, randomized, controlled trial of heat-killed Lactobacillus acidophilus LB in patients with chronic diarrhea. Adv Ther. 2003;20(5):253-60.
  10. Rossi F, Amadoro C, Gasperi M, Colavita G. Lactobacilli infection case reports in the last three years and safety implications. Nutrients. 2022;14(6):1178. PubMed
  11. Ozer M, Goksu SY, Shahverdiani A, Mustafa M. Lactobacillus acidophilus-induced endocarditis and associated splenic abscess. Case Rep Infect Dis 2020;2020:1382709.
  12. Sadrin S, Sennoune S, Gout B, et al. A 2-strain mixture of Lactobacillus acidophilus in the treatment of irritable bowel syndrome: A placebo-controlled randomized clinical trial. Dig Liver Dis 2020;52(5):534-540. PubMed
  13. Stoffer JN, Slingsby TJ, Giuliari GP. Lactobacillus acidophilus endophthalmitis after intravitreal bevacizumab injection requiring intraocular lens explantation. Can J Ophthalmol 2022;57(1):e21-e22. PubMed
  14. Cukovic-Cavka S, Likic R, Francetic I, Rustemovic N, Opacic M, Vucelic B. Lactobacillus acidophilus as a cause of liver abscess in a NOD2/CARD15-positive patient with Crohn's disease. Digestion 2006;73(2-3):107-10.
  15. Hui J, Ren Y, Wang Y, Han Q. Lactobacillus acidophilus endophthalmitis postcataract operation: A case report with a literature review. Ocul Immunol Inflamm 2023.

See these in context on the Lactobacillus Acidophilus monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

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.

© 2021 Therapeutic Research Center, LLC

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