Interactions on record — worth a quick check against your medications. Based on 3 of 4 ingredients. Check your meds →
Dietary supplement

Biostress-B Ingredients & Drug Interactions

by Nutri-West

Biostress-B label
See full label image
Tablet Or Pill 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 Biostress-B 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

Biostress-B is a dietary supplement by Nutri-West with 4 active ingredients. Its ingredients are commonly taken for high cholesterol, digestive health and fiber, heart health support.Based on those ingredients, 275 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Wheat Germ, Thiamine Pyrophosphate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Biostress-B by Nutri-West

Ask about any prescription or over-the-counter medication and we check it for interactions with Biostress-B by Nutri-West — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Biostress-B by Nutri-West

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 Jul 12, 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 4 of its 4 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Biostress-B has 4 active ingredients. Rice Bran is a whole-grain component with fiber and nutrients; Thiamine (Vitamin B1, supplied as Thiamine Pyrophosphate) is an essential B vitamin needed for energy and nerve function; Wheat Germ is the nutrient-rich embryo of the wheat kernel; and Primary Yeast is included for its nutrient profile.

The product contains no other inactive ingredients listed.

Does it work?

Strong 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

This product doesn't appear to be marketed for a specific use, so we graded its ingredients' overall clinical evidence instead.

Strong

Strong clinical evidence supports its ingredients for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredients' overall clinical evidence instead.
  • On file: Thiamine deficiency — rated "Effective" (Thiamine) (Natural Medicines).
  • On file: Wernicke-Korsakoff syndrome (WKS) — rated "Effective" (Thiamine) (Natural Medicines).
  • On file: Dyslipidemia — rated "Possibly Effective" (Rice Bran) (Natural Medicines).
  • On file: Dysmenorrhea — rated "Possibly Effective" (Thiamine) (Natural Medicines).

Rice Bran is possibly effective for managing abnormal blood lipids (dyslipidemia) but possibly ineffective for colorectal cancer prevention. Evidence is insufficient to rate it for hair loss (alopecia areata).

Thiamine is effective for thiamine deficiency and Wernicke-Korsakoff syndrome (a serious brain condition from severe B1 deficiency), and possibly effective for painful periods (dysmenorrhea), but possibly ineffective as a mosquito repellent or for heart failure. Wheat Germ and Primary Yeast have insufficient evidence in our data to establish their effectiveness for any condition.

The evidence, ingredient by ingredient Rice Bran Thiamine Wheatgrass

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 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Rice Bran is likely safe in pregnancy and lactation. When you start adding bran to your diet — including concentrated supplements — you may notice abdominal discomfort, gas, or changes in bowel habits for the first few weeks; these usually settle down.

Rare allergic reactions including swelling of the lips and throat (angioedema) or anaphylaxis have been reported. Thiamine is generally very safe by mouth and is needed in pregnancy and while breastfeeding; use it as your doctor advises.

Wheat Germ is generally well tolerated but carries contamination risks as a raw product and lacks established safety data in pregnancy and lactation — avoid it unless your doctor approves. Possible side effects include nausea, loss of appetite, and constipation.

Side effects, ingredient by ingredient Rice Bran Thiamine Wheatgrass

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?
  • 2 of the 3 matched ingredients can interact with medications — Thiamine, Wheatgrass.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 275 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.

Check your medications against these: antidiabetes drugs (blood-sugar-lowering medications), because Wheat Germ may lower your blood glucose further; CYP1A2 substrates (drugs metabolized by a specific liver enzyme, like theophylline and certain antidepressants), because Wheat Germ may reduce their levels; and trimethoprim (an antibiotic), which may interact with Thiamine at a Minor level.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with strong clinical evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.

Biostress-B may be worth considering if you're looking to support B-vitamin intake, but the Wheat Germ component interacts with diabetes medications and many other drugs your liver processes. If you take any prescription medications — especially diabetes drugs, theophylline, or certain antidepressants — check with your pharmacist before starting.

Talk to your doctor if you have a wheat allergy or celiac disease.

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

Assessment coverage: 3 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 25, 2013.

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 Biostress-B, straight from the product label.

Brand Nutri-West
Net contents 100 Tablet(s)
Market status On market
Date entered into DSLD Nov 25, 2013
DSLD ID 27554
Product type Other Combinations
Supplement form Tablet Or Pill
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years), Dairy Free, Sugar Free
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 Biostress-B by Nutri-West, 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 Tablet(s)
Maximum serving Sizes:
1 Tablet(s)
IngredientAmount% DV
Rice Bran150 mg--
Primary Yeast150 mg--
Thiamine Pyrophosphate1 mg--
Wheat Germ5 mg--

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.
General

Product # 1353

General Statements

FOR DISTRIBUTION BY HEALTH CARE PROFESSIONALS ONLY.

Manufactured under strict GMP and USP guidelines.

"When You Want The Best"

Precautions

KEEP OUT OF REACH OF CHILDREN.

TAMPER RESISTANT OUTER SEAL - DO NOT USE IF BROKEN.

FDA Statement of Identity

Dietary Supplement

Formulation

Contains no starch, salt, sugar, corn, soy, milk, or preservatives.

Storage

Store in a cool, dry place.

Suggested/Recommended/Usage/Directions

Directions for use: One tablet with meals or as directed.

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

See for yourself

Biostress-B by Nutri-West label

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

Biostress-B 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 Biostress-B by Nutri-West

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

Serving size1 Tablet(s) Dosage formTablet Or Pill 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.

Rice Bran

No known
interactions
150 mg per serving

Rice bran is the nutrient-rich outer layer of the rice grain and is a good source of fiber, healthy fats, and plant compounds. It is most studied for...

Rice Bran monograph & interactions

Primary Yeast

150 mg per serving

Thiamine Pyrophosphate

Interacts with
3 drugs
1 mg per serving

Thiamine (vitamin B1) is an essential nutrient your body needs to turn food into energy and to keep your nerves and heart healthy. Most people get eno...

Thiamine Pyrophosphate monograph & interactions

Wheat Germ

Interacts with
272 drugs
5 mg per serving Form: WHEAT

Wheatgrass is the young grass of the wheat plant, taken as a juice or powder, and is mainly used as a concentrated source of vitamins and plant nutrie...

Wheat Germ monograph & interactions
Interaction report

Biostress-B by Nutri-West Drug Interactions

Want to check YOUR meds against Biostress-B?

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
275Drugs
272 Moderate 3 Minor

Ingredients driving the most interactions

Wheat Germ 272
Thiamine Pyrophosphate 3

Individual Drug Interactions

The ingredients in Biostress-B interact with 275 drugs. Click any drug to see the details.

2 of the 4 ingredients in Biostress-B interact with drugs. Each result below shows which ingredient is responsible. Wheat Germ Thiamine Pyrophosphate

Each ingredient & the kinds of drugs it affects

For each ingredient in Biostress-B 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.

Wheat Germ2 drug types · 272 drugs

Antidiabetes Drugs

Theoretically, taking wheatgrass with antidiabetes drugs might lower blood glucose levels and increase the risk of hypoglycemia.
Animal research shows that taking wheatgrass stimulates the release of insulin from beta-cells and lowers blood glucose.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, wheatgrass might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that wheatgrass induces CYP1A2 enzymes.

Likelihood Possible Evidence D
Wheat Germ full monograph & interactions

Thiamine Pyrophosphate1 drug type · 3 drugs

Trimethoprim (Proloprim)

Trimethoprim might increase blood levels of thiamine.
In vitro, animal, and clinical research suggest that trimethoprim inhibits intestinal thiamine transporter ThTR-2, hepatic transporter OCT1, and renal transporters OCT2, MATE1, and MATE2, resulting in paradoxically increased thiamine plasma concentrations.

Likelihood Probable Evidence B
Thiamine Pyrophosphate full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Biostress-B, from the product label.

Nutri-West

See all Nutri-West products
Name
Nutri-West
City
Douglas
State
Wy
ZipCode
82633
Pharmacist Counseling Corner

Biostress-B by Nutri-West: Common Questions

Does Biostress-B by Nutri-West interact with any medications?
Yes. Based on its ingredients, Biostress-B has a known interaction with 275 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Biostress-B 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.
Will this help my energy levels?
The data we hold doesn't establish effectiveness for energy or fatigue. Thiamine does support normal energy metabolism, but that's part of its basic role as a B vitamin — it won't create extra energy beyond what your body needs. If you suspect a B1 deficiency, your doctor can test for that.
Is it okay to take this while I'm pregnant?
Rice Bran and Thiamine are likely safe in pregnancy. Wheat Germ's safety in pregnancy isn't established in our data, so talk with your doctor before taking it while pregnant. Thiamine is actually needed during pregnancy, but use only the amounts your provider recommends.
Can I take this if I have a wheat allergy?
No — this product contains Wheat Germ, so it's not safe for you. Wheat is a major allergen, and even wheatgrass products made from wheat can trigger allergic reactions in sensitive people.
What are the side effects I might notice?
Most likely are mild digestive effects from Rice Bran: stomach discomfort, gas, or loose stools, especially when you first start. Wheat Germ may cause nausea, loss of appetite, or constipation. Allergic reactions are rare but possible. Start with a small dose and increase gradually.
Why does the data say this interacts with so many medications?
That count includes all the individual drugs affected by Wheat Germ's interaction with the liver enzyme CYP1A2 — a single enzyme that helps your body break down hundreds of different medications. It's one type of interaction affecting a lot of drugs, not separate interactions with each one.
Is it safe if I'm breastfeeding?
Rice Bran and Thiamine are likely safe while breastfeeding. Wheat Germ's safety during lactation isn't established, so check with your doctor before taking it if you're nursing.

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

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Biostress-B label
Go deeper

The Full Monographs Behind Biostress-B’s Ingredients

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

Herb & supplement monograph

Rice Bran

Rice bran is the nutrient-rich outer layer of the rice grain and is a good source of fiber, healthy fats, and plant compounds. It is most studied for helping lower cholesterol, but for most...

Read the full Rice Bran monograph → Herb & supplement monograph

Thiamine

Interacts with 3 drugs

Thiamine (vitamin B1) is an essential nutrient your body needs to turn food into energy and to keep your nerves and heart healthy. Most people get enough from food, but supplements are clear...

Read the full Thiamine monograph → Herb & supplement monograph

Wheatgrass

Interacts with 272 drugs

Wheatgrass is the young grass of the wheat plant, taken as a juice or powder, and is mainly used as a concentrated source of vitamins and plant nutrients. Solid scientific evidence for most...

Read the full Wheatgrass monograph →
Sources

Sources & How We Checked

Biostress-B'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 19 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.

Rice Bran 7 references
  1. Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
  2. Fujiwaki T, Furusho K. The effects of rice bran broth bathing in patients with atopic dermatitis. Acta Paediatr Jpn 1992;34:505-10.
  3. Uenotsuchi T, Satoh E, Kiryu H, Yano Y. Pyemotes dermatitis caused by indirect contact with husk rice. Br J Dermatol 2000;143:680-2. DOI
  4. Satoh R, Tsuge I, Tokuda R, Teshima R. Analysis of the distribution of rice allergens in brown rice grains and of the allergenicity of products containing rice bran. Food Chem. 2019;276:761-767. PubMed
  5. Togashi Y, Inomata N, Suzuki A, Hakuta A, Aihara M. Pediatric case with rice bran allergy induced by epicutaneous sensitization in a family rice shop. Allergol Int. 2019;68(1):117-118. PubMed
  6. So WKW, Chan JYW, Law BMH, et al. Effects of a Rice Bran Dietary Intervention on the Composition of the Intestinal Microbiota of Adults with a High Risk of Colorectal Cancer: A Pilot Randomised-Controlled Trial. Nutrients 2021;13(2):526. PubMed
  7. Haneda Y, Kadowaki S, Furui M, Taketani T. A pediatric case of food-dependent exercise-induced anaphylaxis due to rice bran. Asia Pac Allergy 2021;11(1):e4. PubMed

See these in context on the Rice Bran monograph →

Thiamine 7 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Yates AA, Schlicker SA, Suitor CW. Dietary reference intakes: The new basis for recommendations for calcium and related nutrients, B vitamins, and choline. J Am Diet Assoc 1998;98:699-706. PubMed
  3. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (2000). Washington, DC: National Academy Press, 2000. Available at: http://b
  4. Rogovik, A. L., Vohra, S., and Goldman, R. D. Safety considerations and potential interactions of vitamins: should vitamins be considered drugs? Ann.Pharmacother. 2010;44(2):311-324. PubMed
  5. Arruti N, Bernedo N, Audicana MT, Villarreal O, Uriel O, Muñoz D. Systemic allergic dermatitis caused by thiamine after iontophoresis. Contact Dermatitis. 2013 Dec;69(6):375-6. PubMed
  6. Thiamine hydrochloride injection package insert. Lake Zurich, IL: Fresenius Kabi, LLC; September 2019.
  7. Vora B, Wen A, Yee SW, et al. The Effect of Trimethoprim on Thiamine Absorption: A Transporter-Mediated Drug-Nutrient Interaction. Clin Pharmacol Ther 2023;114(2):381-392.

See these in context on the Thiamine monograph →

Wheatgrass 5 references
  1. Ben-Arye E, Golden E, Wengrower D, et al. Wheat grass juice in the treatment of active distal ulcerative colitis a randomized double-blind placebo-controlled trial. Scand J Gastroenterol 2002;4:444-9.. PubMed
  2. Mohan Y, Jesuthankaraj GN1, Ramasamy Thangavelu N. Antidiabetic and antioxidant properties of Triticum aestivum in streptozotocin-induced diabetic rats. Adv Pharmacol Sci 2013;2013:716073.
  3. Shakya G, Randhi PK, Pajaniradje S, Mohankumar K, Rajagopalan R. Hypoglycaemic role of wheatgrass and its effect on carbohydrate metabolic enzymes in type II diabetic rats. Toxicol Ind Health 2016;32(6):1026-32. PubMed
  4. Food and Drug Administration. Food Allergen Labeling and Consumer Protection Act of 2004 (FALCPA); Public Law 108-282, Title II. Accessed on May 19, 2021. Available at: https://www.fda.gov/food/food-allergensgluten-free-guidance-documents-regulatory-infor
  5. Haron MH, Dale O, Martin K, et al. Evaluation of the Herb-Drug Interaction Potential of Commonly Used Botanicals on the US Market with Regard to PXR- and AhR-Mediated Influences on CYP3A4 and CYP1A2. J Diet Suppl 2022. PubMed

See these in context on the Wheatgrass 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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