Sports Research Biotin supplement bottle
Sports Research

Biotin Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 11 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
100
Brand Score Excellent

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 (as D-Biotin) 2500 mcg 8333%
Bioavailability Excellent

Absorption Rating

  • Biotin (as D-Biotin) Good
Other Ingredients Excellent

Fillers & Additives

  • Coconut Oil
  • Vegetable Glycerin
  • Purified Water
  • Rice Bran Wax
Efficacy Excellent

Dosage Analysis

  • Biotin (as D-Biotin) 2500 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Biotin (as D-Biotin) 2500 mcg 8333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Coconut Oil Safe

Helps dissolve and absorb fat-soluble vitamins.

Vegetable Glycerin Safe

Helps form softgel capsule shells and acts as a humectant.

Purified Water Safe

Dissolves and carries water-soluble ingredients.

Rice Bran Wax Generally_safe

It is used as a coating agent or emulsifier.

Brand Trust Report
Sports Research

Founded 1980 · San Pedro, California, United States · 135 products · sportsresearch.com/

Certifications

11 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Non Gmo Project Verified Source
Nsf Certified For Sport Verified Source
Gluten Free Gfco Verified Source
Usda Organic Verified Source
NSF Certified for Sport Verified
NSF Contents Certified Verified
Informed Choice Verified
IGEN Non-GMO Tested Verified
Vegan Action Certified Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

4 incidents
Prop 65 Lead2024-11-15Source
Lawsuit False and misleading claims of "weight management" and "appetite suppression" on Garcinia Cambogia product.2024Source
Prop 65 Lead2021-10-25Source
Lawsuit False and misleading claims on the labeling of Premium MCT Oil and Turmeric Curcumin C3 Complex products.2020Source
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Frequently Asked Questions
Is Sports Research Biotin a good supplement?

Sports Research Biotin 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 120 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Sports Research, holds a brand trust score of 100/100 with 11 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Nsf Certified For Sport.

What are the ingredients in Sports Research Biotin?

Sports Research Biotin contains 1 active ingredients: Biotin (as D-Biotin) (2500 mcg). Notable high-dose ingredients include Biotin at 8333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Sports Research Biotin safe to take?

Sports Research Biotin has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Sports Research a trustworthy supplement brand?

Sports Research receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in San Pedro, California, United States, the company offers 135 products in their lineup. They hold 11 verified certifications including Consumerlab, Informed Sport, Non Gmo Project, Nsf Certified For Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Sports Research has 4 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.

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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.