Biotin 5,000 mcg Ingredients & Drug Interactions
by Source Naturals
What is this page for?
First and foremost: checking Biotin 5,000 mcg 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
Biotin 5,000 mcg is a dietary supplement by Source Naturals with 1 active ingredient. Its ingredients are commonly taken for hair growth and thinning hair, brittle nails, skin health.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of Biotin 5,000 mcg by Source Naturals
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
This product has one active ingredient: biotin, a B vitamin that supports the health of your hair, skin, and nails. The remaining ingredients—microcrystalline cellulose, stearic acid, and magnesium stearate—are inactive fillers and binders that help form and stabilize the tablet.
Does it work?
Strong evidence
Biotin is likely effective for treating biotin deficiency. For other uses—including multiple sclerosis, seborrheic dermatitis (a scaly skin rash), and alopecia areata (a form of hair loss)—the evidence is either insufficient to rate it or suggests it probably won't help.
If you're taking this for a specific condition, talk with your doctor about whether it's the right choice for you.
How safe is it?
Well-documented data
Biotin is generally well tolerated, even at fairly high doses, because your body removes excess amounts in the urine. At very high doses, mild diarrhea has been rarely reported.
There is one isolated case report of a woman who developed a rare inflammatory condition after taking biotin 10 mg daily along with other supplements and a heart medication—but it's unclear whether biotin was actually responsible, and no other similar cases have been reported. Biotin is likely safe during pregnancy and lactation.
However, the product label notes that amounts from food and prenatal vitamins are appropriate but recommends checking with your doctor before taking high-dose supplements like this one.
Meds to double-check
No known interactions
No interactions are documented for biotin in our data. That said, it's always smart to confirm with your own doctor or pharmacist before adding any new supplement, especially if you take multiple medications.
The bottom line
Scorecard at a glanceFully disclosed formula with clinical evidence supporting its stated purpose. No medication interactions are currently documented, and safety information is well characterized.
This product makes sense if you have biotin deficiency or want to try a well-tolerated supplement for hair, skin, and nail health—though the evidence for those cosmetic uses is limited. If you're pregnant or breastfeeding, or if you're considering this as a treatment for a specific condition like hair loss, talk with your doctor first to see if it's right for you.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient 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
General information
Key facts about Biotin 5,000 mcg, straight from the product label.
| Brand | Source Naturals |
|---|---|
| Barcode (UPC) | 021078026921 |
| Net contents | 200 Tablet(s) |
| Market status | On market |
| Date entered into DSLD | Apr 23, 2020 |
| DSLD ID | 217298 |
| Product type | Vitamin |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, 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 Biotin 5,000 mcg by Source Naturals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Biotin | 5000 mcg | 1667% |
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate
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.
FDA Statement of Identity
Dietary Supplement
Seals/Symbols
Non-GMO Validated
Formula
Biotin is a water soluble vitamin required by our bodies to maintain healthy hair and skin. Its involvement as a coenzyme in carbohydrate, protein and fat metabolism also supports our metabolic processes that burn fuel and produce energy, as well as supporting normal functioning of the nervous system.
Suggested/Recommended/Usage/Directions
Suggested Use: 1 tablet daily.
Precautions
Caution: High doses of biotin may interfere with certain laboratory tests. Before undergoing laboratory testing, discontinue use for at least one week and inform your health care professional.
If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Formulation
Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Biotin 5,000 mcg by Source Naturals 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 Biotin 5,000 mcg by Source Naturals
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Tablet(s) Dosage formTablet Or Pill Amounts shown are per serving.
Biotin
No knowninteractions
Biotin (vitamin B7) is a water-soluble vitamin your body needs to turn food into energy and to support healthy hair, skin, and nails. Most people get...
Biotin monograph & interactionsOther (inactive) ingredients: Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.
Biotin 5,000 mcg by Source Naturals Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Biotin 5,000 mcg. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Biotin 5,000 mcg, from the product label.
Source Naturals
- Name
- Source Naturals, Inc.
- Street Address
- P. O. Box 2118
- City
- Santa Cruz
- State
- CA
- ZipCode
- 95062
- Web Address
- www.sourcenaturals.com
Biotin 5,000 mcg by Source Naturals: Common Questions
Does Biotin 5,000 mcg by Source Naturals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will biotin work for hair loss?
Is biotin safe at this dose?
What are the side effects?
Is biotin safe during pregnancy?
What does biotin actually do?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Biotin 5,000 mcg 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 Biotin 5,000 mcg’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Biotin 5,000 mcg'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 4 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.
Biotin 4 references
- Debourdeau PM, Djezzar S, Estival JL, et al. Life-threatening eosinophilic pleuropericardial effusion related to vitamins B5 and H. Ann Pharmacother 2001;35:424-6. DOI
- 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
- Mock DM, Quirk JG, Mock NI. Marginal biotin deficiency during normal pregnancy. Am J Clin Nutr 2002;75:295-9. PubMed
- Sedel F, Papeix C, Bellanger A, Touitou V, Lebrun-Frenay C, Galanaud D, et al. High doses of biotin in chronic progressive multiple sclerosis: a pilot study.Mult Scler Relat Disord. 2015;4(2):159-69. doi: 10.1016/j.msard.2015.01.005. 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