Major interaction on record — check this product against your medications before combining. Based on 1 of 3 ingredients. Check your meds →
Dietary supplement

Bio-Strath Liquid Ingredients & Drug Interactions

by Bio-Strath

Bio-Strath Liquid label
See full label image
Liquid Category: Botanical
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Bio-Strath Liquid 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: Major

Bio-Strath Liquid is a dietary supplement by Bio-Strath with 3 active ingredients. Its ingredients are commonly taken for source of b vitamins, diarrhea (certain types), cold and flu support.Based on those ingredients, 136 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Saccharomyces cerevisiae. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Bio-Strath Liquid by Bio-Strath

Ask about any prescription or over-the-counter medication and we check it for interactions with Bio-Strath Liquid by Bio-Strath — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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Computed from our clinical databases

HelloPharmacist Scorecard of Bio-Strath Liquid by Bio-Strath

Four independent checks of what is known — a summary of the available information, not a grade of the product itself.

Evidence for Intended Use
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
Not assessable

The stated purpose hasn't been mapped to our evidence data yet.

Why this rating?
  • We haven't mapped this product's purpose to our evidence data yet — it'll be graded on the next content refresh.
Ingredient Transparency
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.
Known Interaction Concern
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Brewer's Yeast.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: diabetes medications; lithium.
  • For scale: 136 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.
Safety Information
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.

HelloPharmacist summaryFully disclosed formula with no assessable stated purpose. Major medication interactions have been identified, and safety information is well characterized.

Assessment coverage: 1 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2012.

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 Bio-Strath Liquid, straight from the product label.

Brand Bio-Strath
Market status Off market
Date entered into DSLD Jul 25, 2012
DSLD ID 11278
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Children 4 or More Years of Age, Adult (18 - 50 Years), Kosher
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 Bio-Strath Liquid by Bio-Strath, 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 tsp
Maximum serving Sizes:
1 tsp
Servings per container
20
IngredientAmount% DV
Calories20 {Calories}--
Total Carbohydrates4 g1%
Saccharomyces cerevisiae5018 mg--
Sugar3 g--
Proprietary Herbal Blend102 mg--

Other ingredients: Malt extract, raw Honey, Orange

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

Alcohol through fermentation: 3.2% alcohol

Kosher: Under Supervision of Rabbi I. M. Levinger, Basel and the CHIEF RABBINATE OF ISRAEL

FDA Statement of Identity

Whole Food Supplement

Seals/Symbols

NATURE'S ANSWER Since 1972

UNCONDITIONALLY GUARANTEED

Precautions

Do not use if safety seal is damaged or missing.

Caution: Keep out of the reach of children.

Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, take 1 teaspoonful 3 (three) times daily. Frequently may be doubled for 2-3 days. For children under 12, take 1/2 the adult serving. Bio-Strath may be taken with juice or by itself.

FDA Disclaimer Statement

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

General Statements

100% Natural.

Insufficient sleep, poor eating habits, routine pressures and general fatigue are just a few of the daily stresses most of us experience in our already hectic lives. While mental and physical well-being should be our top priorities, they often take a back seat to managing our responsibilities, which can deplete our immune systems, leaving us fatigued, stressed, tired and flat. For these times, bounce back with Bio-Strath, the daily whole food supplement that has been shown to fight stress and fatigue, increase energy and endurance, enhance memory and concentration and strengthen the immune system. Bio-Strath is a whole food supplement that includes naturally-occurring vitamins (such as B-Complex), amino acids, minerals, Beta-Glucans and herbs, in a form that is easily assimilated by the body. It fortifies the immune system and helps to revitalize and enhance energy levels. Bio-Strath. It’s naturally good… and naturally good for you! Based on science. Supported by clinical evidence.

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

See for yourself

Bio-Strath Liquid by Bio-Strath label

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

Bio-Strath Liquid 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 Bio-Strath Liquid by Bio-Strath

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 tsp Dosage formLiquid Servings per container20 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.

Saccharomyces cerevisiae

Interacts with
136 drugs
5018 mg per serving

Brewer's yeast is a nutrient-rich fungus that provides B vitamins, protein, and minerals, and a related yeast product (S. boulardii) is used for some...

Saccharomyces cerevisiae monograph & interactions

Sugar

3 g per serving Form: Fructose, Glucose

Proprietary Herbal Blend

102 mg per serving Form: Angelica root, Basil, Caraway seed, Chamomile, Cinnamon, Elder flower, Fennel, Horseradish root, Hyssop leaf, Lavender flower, Lemon balm leaf, Parsley, Peppermint, Sage leaf, Thyme

Other (inactive) ingredients: Malt extract, Raw Honey, Orange. These complete the product’s ingredient list but are not active constituents.

Interaction report

Bio-Strath Liquid by Bio-Strath Drug Interactions

Bio-Strath Liquid contains 3 ingredients, and 1 of them has known drug interactions. Altogether it interacts with 136 medications. Here’s the picture, then you can look up your own drug.

Want to check YOUR meds against Bio-Strath Liquid?

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
136Drugs
9 Major 87 Moderate 40 Minor

Ingredients driving the most interactions

Saccharomyces cerevisiae 136

Individual Drug Interactions

The ingredients in Bio-Strath Liquid interact with 136 drugs. Click any drug to see the details.

1 of the 3 ingredients in Bio-Strath Liquid interact with drugs. Each result below shows which ingredient is responsible. Saccharomyces cerevisiae

Each ingredient & the kinds of drugs it affects

For each ingredient in Bio-Strath Liquid 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.

Saccharomyces cerevisiae4 drug types · 136 drugs

Monoamine Oxidase Inhibitors (Maois)

Theoretically, taking brewer's yeast with MAOIs might increase the risk of hypertension.
Brewer's yeast contains tyramine. Taking brewer's yeast with MAOIs might increase the risk for hypertensive crisis.

Likelihood Likely Evidence D
Antidiabetes Drugs

Taking brewer's yeast with antidiabetes drugs might increase the risk of hypoglycemia.
Clinical research shows that taking chromium-containing brewer's yeast can decrease levels of blood glucose in diabetic patients being treated with antidiabetes drugs.

Likelihood Possible Evidence B
Lithium

Theoretically, taking brewer's yeast with lithium might cause additive effects and side effects.
Some brewer's yeast products contains lithium.

Likelihood Possible Evidence D
Antifungals

Theoretically, taking antifungals with some brewer's yeast products might decrease the effectiveness of brewer's yeast.
Some brewer's yeast products contain live yeast. Therefore, simultaneously taking antifungals might kill a significant number of the organisms.

Likelihood Possible Evidence D
Saccharomyces cerevisiae full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Bio-Strath Liquid, from the product label.

Bio-Strath

See all Bio-Strath products
Name
Bio-Strath AG
State
Zurich
Pharmacist Counseling Corner

Bio-Strath Liquid by Bio-Strath: Common Questions

Does Bio-Strath Liquid by Bio-Strath interact with any medications?
Yes. Based on its ingredients, Bio-Strath Liquid has a known interaction with 136 medications, including 9 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Bio-Strath Liquid contains 3 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.

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

Not sure if Bio-Strath Liquid is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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.

Bio-Strath Liquid label
Go deeper

The Full Monographs Behind Bio-Strath Liquid’s Ingredients

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

Herb & supplement monograph

Brewer's Yeast

Interacts with 136 drugs

Brewer's yeast is a nutrient-rich fungus that provides B vitamins, protein, and minerals, and a related yeast product (S. boulardii) is used for some types of diarrhea. Most other health cla...

Read the full Brewer's Yeast monograph →
Sources

Sources & How We Checked

Bio-Strath Liquid'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 6 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.

Brewer's Yeast 6 references
  1. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. Lewis SJ, Freedman AR. Review article: the use of biotherapeutic agents in the prevention and treatment of gastrointestinal disease. Aliment Pharmacol Ther 1998;12:807-22. PubMed
  3. Bahijiri, S. M., Mira, S. A., Mufti, A. M., and Ajabnoor, M. A. The effects of inorganic chromium and brewer's yeast supplementation on glucose tolerance, serum lipids and drug dosage in individuals with type 2 diabetes. Saudi.Med.J. 2000;21(9):831-837. DOI
  4. Schrauzer, G. N. and de, Vroey E. Effects of nutritional lithium supplementation on mood. A placebo-controlled study with former drug users. Biol.Trace Elem.Res. 1994;40(1):89-101. PubMed
  5. Gayathri R, Aruna T, Malar S, Shilpa B, Dhanasekar KR. Efficacy of Saccharomyces cerevisiae CNCM I-3856 as an add-on therapy for irritable bowel syndrome. Int J Colorectal Dis. 2020;35(1):139-145. PubMed
  6. Mourey F, Decherf A, Jeanne JF, et al. Saccharomyces cerevisiae I-3856 in irritable bowel syndrome with predominant constipation. World J Gastroenterol 2022;28(22):2509-2522.

See these in context on the Brewer's Yeast 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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