Allergy Research Group Biotin 5000 supplement bottle
Allergy Research Group

Biotin 5000 Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
83
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 16667%
Bioavailability Excellent

Absorption Rating

  • Biotin Good
Other Ingredients Excellent

Fillers & Additives

  • Hydroxypropyl Methylcellulose
  • Microcrystalline Cellulose
  • Medium-Chain Triglycerides
  • Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Biotin 5000 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Biotin 5000 mcg 16667%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hydroxypropyl Methylcellulose Safe

It is used as a coating for tablets and capsules.

Microcrystalline Cellulose Safe

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

Medium-Chain Triglycerides Generally_safe
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Brand Trust Report
Allergy Research Group

Founded 1979 · Salt Lake City, Utah, United States · 374 products · allergyresearchgroup.com

Certifications

2 certifications
Consumerlab Verified Source
NSF Certified Verified

Transparency

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

Violation History

1 incident
Prop 65 Lead2011-01-14Source
Related Supplements
Frequently Asked Questions
Is Allergy Research Group Biotin 5000 a good supplement?

Allergy Research Group Biotin 5000 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 60 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Allergy Research Group, holds a brand trust score of 83/100 with 2 verified certifications including Consumerlab, NSF Certified.

What are the ingredients in Allergy Research Group Biotin 5000?

Allergy Research Group Biotin 5000 contains 1 active ingredients: Biotin (5000 mcg). Notable high-dose ingredients include Biotin at 16667% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Allergy Research Group Biotin 5000 safe to take?

Allergy Research Group Biotin 5000 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 Allergy Research Group a trustworthy supplement brand?

Allergy Research Group receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, Utah, United States, the company offers 374 products in their lineup. They hold 2 verified certifications including Consumerlab, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Allergy Research Group has 1 historical regulatory incident 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.