Vitacost Biotin, 5000 mcg supplement bottle
Vitacost

Biotin, 5000 mcg Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 7 brand certifications checked · Page generated: Sep 2026
100
Product Score Excellent
84
Brand Score Good

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Biotin 5000 mcg 16,667%
Bioavailability Excellent

Absorption Rating

  • Biotin Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Gelatin
  • Vegetable Stearic Acid
  • Vegetable Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Biotin 5000 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Biotin 5000 mcg 16,667%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Vegetable Stearic Acid Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Brand Trust Report
Vitacost

Founded 1994 · Boca Raton, Florida, United States · 218 products · vitacost.com

Certifications

7 certifications
Consumerlab Source available Primary evidence
Informed Sport Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Gluten Free Gfco Source available Primary evidence
Non Gmo Project Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence

Transparency

4 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Claimed Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

5 incidents
Recall Navitas Organics - Organic Chia Seeds, 8oz2026-01-23 Source available Primary source
Prop 65 Lead2024-02-08 Source available Primary source
Prop 65 Lead2020-08-05 Source available Primary source
Lawsuit Mislabeled magnesium content in supplements, failing to list magnesium oxide as an ingredient.2016 Source available Primary source
Lawsuit Breach of fiduciary duties by the board of directors in relation to the acquisition by Kroger.2014 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Vitacost Biotin, 5000 mcg a good supplement?

Vitacost Biotin, 5000 mcg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 300 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Vitacost, holds a brand trust score of 84/100.

What are the ingredients in Vitacost Biotin, 5000 mcg?

Vitacost Biotin, 5000 mcg contains 1 active ingredients: Biotin (5000 mcg). Notable high-dose ingredients include Biotin at 16,667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Vitacost Biotin, 5000 mcg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Vitacost Biotin, 5000 mcg. All 4 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Vitacost a trustworthy supplement brand?

Vitacost receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1994 and headquartered in Boca Raton, Florida, United States, the company offers 218 products in their lineup. Note: Vitacost has 5 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.