Biostress-B Ingredients & Drug Interactions
by Nutri-West
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
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.
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.
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 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.
What’s inside
Full disclosure
Biostress-B contains four active ingredients. Rice Bran is a grain byproduct high in fiber and phytonutrients.
Thiamine Pyrophosphate is a form of vitamin B1, essential for energy metabolism and nerve function. Wheat Germ is the nutrient-dense core of wheat kernels.
Primary Yeast is included, though our data on it is limited. The tablet also contains inactive ingredients — DiCalcium Phosphate, Wood Cellulose, Microcrystalline Cellulose, Magnesium Stearate, and Stearic Acid — which are binders, fillers, and capsule materials used to hold the tablet together.
Does it work?
Strong evidence
Rice Bran shows possibly effective evidence for managing high cholesterol and related blood-fat problems (dyslipidemia), though it was rated possibly ineffective for colorectal cancer. The evidence for hair loss (alopecia areata) is insufficient to rate.
Thiamine is effective for treating thiamine deficiency and Wernicke-Korsakoff syndrome (a serious neurological condition from B1 lack). It's possibly effective for period pain (dysmenorrhea), but possibly ineffective as a mosquito repellent or for heart failure.
For the other ingredients, the evidence in our data isn't established — the facts don't show effectiveness ratings for Primary Yeast, and Wheat Germ's evidence for the uses listed is insufficient to rate.
How safe is it?
Well-documented data
Rice Bran is likely safe during pregnancy and lactation. Taken orally, it's generally well tolerated, though increasing bran intake can cause temporary belly discomfort, gas, and irregular bowel habits in the first few weeks.
Rarely, rice bran can trigger allergic reactions including hives, swelling, wheezing, itching, and cough; anaphylaxis has been reported. Thiamine is also likely safe in pregnancy and lactation when used at recommended amounts under your provider's guidance; it's very safe by mouth in normal doses, though parenteral (injected) forms rarely cause allergic reactions.
Wheat Germ is less clear on safety — the data states safety is not established, and raw wheat products may carry contamination risk. Since wheat is a major food allergen in the United States, it can cause allergic reactions in sensitive individuals.
Common side effects from wheat germ include nausea, loss of appetite, and constipation.
Meds to double-check
Moderate interaction found
Check your medications before starting Biostress-B, especially: antidiabetes drugs like insulin or metformin (Moderate — risk of low blood sugar), drugs metabolized by CYP1A2 (Moderate — may become less effective), and trimethoprim (Minor — may raise thiamine levels). If you're unsure whether your medications fit any of these categories, use the search tool below or ask your pharmacist.
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 interested in B-vitamin support and managing cholesterol through a supplement. If you take diabetes medications, antidiabetic drugs, or drugs processed through the CYP1A2 pathway — or if you're allergic to wheat — check with your pharmacist first.
Anyone taking trimethoprim (Proloprim) should mention this product to their doctor. The wheat germ component means if you have a wheat allergy, this product isn't for you.
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
General information
Key facts about Biostress-B, straight from the product label.
| Brand | Nutri-West |
|---|---|
| Net contents | 250 Tablet(s) |
| Market status | On market |
| Date entered into DSLD | Nov 25, 2013 |
| DSLD ID | 27555 |
| 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 |
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
| Ingredient | Amount | % DV |
|---|---|---|
| Rice Bran | 150 mg | -- |
| Primary Yeast | 150 mg | -- |
| Thiamine Pyrophosphate | 1 mg | -- |
| Wheat Germ | 5 mg | -- |
Other ingredients: DiCalcium Phosphate, Wood Cellulose, Microcrystalline Cellulose, Magnesium Stearate, Stearic Acid
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.
General Statements
Product # 1353-A
FOR DISTRIBUTION BY HEALTH CARE PROFESSIONALS ONLY.
Manufactured under strict GMP and USP guidelines.
"When You Want The Best"
0132 MFG03/2010
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.
Biostress-B by Nutri-West 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 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 Servings per container250 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 knowninteractions
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 & interactionsPrimary Yeast
Thiamine Pyrophosphate
Interacts with3 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 eno...
Thiamine Pyrophosphate monograph & interactionsWheat Germ
Interacts with272 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 nutrie...
Wheat Germ monograph & interactionsOther (inactive) ingredients: DiCalcium Phosphate, Wood Cellulose, Microcrystalline Cellulose, Magnesium Stearate, Stearic Acid. These complete the product’s ingredient list but are not active constituents.
Biostress-B by Nutri-West Drug Interactions
HelloPharmacist Interaction Report
Biostress-B by Nutri-West does interact with some medications, though the documented interactions are relatively few.
Thiamine Pyrophosphate (a B-vitamin form) can raise blood levels of trimethoprim (Proloprim), an antibiotic — a Minor interaction that shouldn't usually stop you from taking both, but worth mentioning to your doctor if you're on that drug.
Read the full breakdown — every affected drug type, severity by severity
Wheat Germ in this product carries a couple of Moderate concerns. It may lower blood sugar levels when combined with diabetes medications, raising the risk of low blood sugar (hypoglycemia), so if you take insulin or oral diabetes drugs, you'll want to talk it through with your pharmacist.
It can also reduce how well your body processes certain medications metabolized by the CYP1A2 enzyme pathway — a fairly common route for drug metabolism — which could make those drugs less effective.
We couldn't check Primary Yeast for interactions because we hold no data on it. Rice Bran has no documented interactions in our records.
Always run your exact medications through the search tool on this page to make sure nothing else in your routine is affected.
Check your own medications below · Editorial policy · How we use AI
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 checkerIngredients driving the most interactions
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
Sulfadiazine, TrimethoprimCoptin
How Sulfadiazine, Trimethoprim interacts with Biostress-B — through 1 ingredient. Tap an ingredient for the detail:
Thiamine PyrophosphateTrimethoprim (proloprim) Minor
Interaction Summary
Trimethoprim might increase blood levels of thiamine.
Read the full Thiamine Pyrophosphate + Sulfadiazine, Trimethoprim interactionSulfamethoxazole, TrimethoprimBactrim, Bactrim DS, Bactrim IV, Cotrim, Cotrim DS, Cotrimix +9 more
How Sulfamethoxazole, Trimethoprim interacts with Biostress-B — through 1 ingredient. Tap an ingredient for the detail:
Thiamine PyrophosphateTrimethoprim (proloprim) Minor
Interaction Summary
Trimethoprim might increase blood levels of thiamine.
Read the full Thiamine Pyrophosphate + Sulfamethoxazole, Trimethoprim interactionTrimethoprimProloprim, Trimpex
How Trimethoprim interacts with Biostress-B — through 1 ingredient. Tap an ingredient for the detail:
Thiamine PyrophosphateTrimethoprim (proloprim) Minor
Interaction Summary
Trimethoprim might increase blood levels of thiamine.
Read the full Thiamine Pyrophosphate + Trimethoprim interactionEach 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 Germ
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.
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.
Thiamine Pyrophosphate
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.
Brand information
Manufacturer and brand details for Biostress-B, from the product label.
Biostress-B by Nutri-West: Common Questions
Does Biostress-B by Nutri-West interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this if I have a wheat allergy?
What side effects might I get from the Rice Bran in here?
Is this safe during pregnancy?
Can I take this if I'm breastfeeding?
Will this help my cholesterol?
What's Primary Yeast, and does it do anything?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Biostress-B 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 Biostress-B’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
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 monographThiamine
Interacts with 3 drugsThiamine (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 monographWheatgrass
Interacts with 272 drugsWheatgrass 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 & 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.
- 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 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
- Covington TR, et al. Handbook of Nonprescription Drugs. 11th ed. Washington, DC: American Pharmaceutical Association, 1996.
- Fujiwaki T, Furusho K. The effects of rice bran broth bathing in patients with atopic dermatitis. Acta Paediatr Jpn 1992;34:505-10.
- 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
- 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
- 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
- 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
- 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
Thiamine 7 references
- McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
- 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
- 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
- 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
- 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
- Thiamine hydrochloride injection package insert. Lake Zurich, IL: Fresenius Kabi, LLC; September 2019.
- 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.
Wheatgrass 5 references
- 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
- 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.
- 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
- 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
- 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
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