Back to All Reviews
#3 in Hair, Skin & Nails

Nature's Bounty Biotin 10,000 mcg

by Nature's Bounty

"The best-selling biotin supplement on Amazon"

Amazon Rating
4.6/5
Reviews
85,000+
Price Range
$8-12
Servings
120 softgels
GMP CertifiedNon-GMO
Our Editorial Rating
7.2
Good
FormSoftgel
SubcategoryBiotin
View on Amazon

Overview

Nature's Bounty Biotin 10,000 mcg is the most popular biotin supplement on Amazon with over 85,000 reviews. Each softgel delivers 10,000 mcg (10 mg) of biotin — a B-vitamin that supports keratin production for healthy hair, skin, and nails. The rapid-release softgel format ensures quick absorption. Nature's Bounty has been a trusted supplement brand for over 50 years and is one of the most recognized names in the vitamin aisle.

Key Ingredients

IngredientAmount
Biotin (D-Biotin)10,000 mcg

Pros & Cons

What We Like

  • 120 softgels — 4-month supply
  • Under $0.10 per softgel
  • Rapid-release softgel format
  • 50+ year trusted brand
  • Non-GMO and gluten-free

What Could Be Better

  • 10,000 mcg is far above the adequate intake (30 mcg)
  • Can interfere with certain lab tests (thyroid, troponin)
  • Limited evidence for hair growth in non-deficient individuals
  • Contains soybean oil

Who Is This For?

Best For

  • Those with biotin deficiency
  • Hair and nail support
  • Budget beauty supplement users
  • Those recommended biotin by a doctor

Not Ideal For

  • Those getting adequate biotin from diet
  • People with upcoming lab tests
  • Those with soy allergies

Our Verdict

7.2/10 — Good

Nature's Bounty Biotin is the most affordable biotin supplement available. However, it's important to note that biotin supplementation primarily benefits those with actual deficiency — most people get adequate biotin from food. Always inform your doctor about biotin use before lab tests.

Alternatives to Consider