What is the difference between 21st Century Biotin, 5,000 mcg, 110 Capsules and Life Extension Biotin, 600 mcg, 100 Capsules?

21st Century Biotin, 5,000 mcg, 110 Capsules contains 2 active ingredients, while Life Extension Biotin, 600 mcg, 100 Capsules contains 1 active ingredients. Compare serving sizes, ingredient amounts, and daily values on this page.

Which supplement has more ingredients: Biotin, 5,000 mcg, 110 Capsules or Biotin, 600 mcg, 100 Capsules?

21st Century Biotin, 5,000 mcg, 110 Capsules has more active ingredients (2) compared to Life Extension Biotin, 600 mcg, 100 Capsules (1).

21st Century Biotin 5,000 mcg vs Life Extension Biotin 600 mcg

Side-by-side supplement facts comparison

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21st Century

Biotin, 5,000 mcg, 110 Capsules

4.7(14,173)·

Biotin is part of the B-complex vitamin family. Biotin 5000 mcg offers additional biotin for those who want higher biotin levels.

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Life Extension

Biotin, 600 mcg, 100 Capsules

4.7(7,016)·

What Is Biotin? As we get older, our bodies produce less of the structural proteins that we need to maintain healthy hair, skin and nails. Biotin helps produce keratin, one of those important proteins. Biotin is essential for healthy skin, hair and nails, supporting healthy hair and nails in people who are deficient. Biotin Benefits - Supports healthy hair, skin & nails - Necessary for cellular energy production - Promotes healthy gene expression

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At a Glance

Verdict

Biotin 5,000 mcg provides a high dose of 5,000 mcg with added calcium, but only 16% daily value, while Biotin 600 mcg delivers 600 mcg with 2000% daily value. The trade-off is absolute biotin amount versus daily value percentage.

Who each is for

21st Century Biotin 5,000 mcg

You want a high biotin dose of 5,000 mcg per capsule
Biotin 5,000 mcg includes 113 mg of calcium per capsule
You prefer a supplement with a lower daily value percentage for biotin
Biotin 5,000 mcg is from 21st Century, a budget-friendly brand

Life Extension Biotin 600 mcg

You want a biotin dose of 600 mcg with 2000% daily value
Biotin 600 mcg is from Life Extension, a premium brand
You prefer a supplement with only biotin and no additional minerals
Biotin 600 mcg offers a high daily value percentage relative to dose

What you get from each

At a Glance

Processing analysis…

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 600 mcg, 100 Capsules

—

0 servings per container

1 shared ingredients

1 only in Biotin, 5,000 mcg, 110 Capsules

0 only in Biotin, 600 mcg, 100 Capsules

Biotin, 5,000 mcg, 110 Capsules

21st Century · 1 Capsule

Biotin, 5,000 mcg, 110 Capsules

21st Century · 1 Capsule

Ingredient	Amount	DV
Biotin	5,000 mcg	16%
Calcium (as Dicalcium Phosphate)	113 mg	9%

† Daily Value not established

Biotin, 600 mcg, 100 Capsules

Life Extension · 1 Capsule

Biotin, 600 mcg, 100 Capsules

Life Extension · 1 Capsule

Ingredient	Amount	DV
Biotin	600 mcg	2000%

† Daily Value not established

Other Ingredients Analysis

Shared (1)

Analysis of inactive ingredients for dietary restrictions, allergens, and artificial additives.

Life Extension Biotin, 600 mcg, 100 Capsuleshas a cleaner “other ingredients” profile

Biotin, 5,000 mcg, 110 Capsules

21st Century

Excellent

Other Ingredients

Cellulose, gelatin, stearic acid. Contains <2% of: Magnesium silicate, magnesium stearate.

Warnings

Contains gelatin (may not be vegan)Contains magnesium stearate (may not be vegan)

Positives

No artificial colors or flavors detectedNo common allergens

Biotin, 600 mcg, 100 Capsules

Life Extension

100

Excellent

Other Ingredients

Microcrystalline cellulose, dicalcium phosphate, gelatin (capsule), vegetable stearate.

Warnings

Contains gelatin (may not be vegan)

Positives

No artificial colors or flavors detectedNo common allergens

How Clean Score is Calculated

Each positive: +5 points

Each warning or concern: −10 points

Serving Information

Detail	Biotin, 5,000 mcg, 110 Capsules	Biotin, 600 mcg, 100 Capsules
Serving Size	1 Capsule	1 Capsule
Servings Per Container	—	—
Package Quantity	110 count	100 count

Certifications & Claims

Biotin, 5,000 mcg, 110 Capsules

Gluten-FreeNon-GMO

Biotin, 600 mcg, 100 Capsules

Gluten-FreeNon-GMO

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Compare Vitamin B7 (Biotin) Supplements: Ingredients & Supplement Facts

21st Century Biotin 5,000 mcg vs Life Extension Biotin 600 mcg

Biotin, 5,000 mcg, 110 Capsules

Biotin, 600 mcg, 100 Capsules

At a Glance

Verdict

Who each is for

21st Century Biotin 5,000 mcg

Life Extension Biotin 600 mcg

What you get from each

At a Glance

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 110 Capsules

Biotin, 600 mcg, 100 Capsules

Biotin, 600 mcg, 100 Capsules

Other Ingredients Analysis

Biotin, 5,000 mcg, 110 Capsules

Biotin, 600 mcg, 100 Capsules

Serving Information

Certifications & Claims

Browse more comparisons in

At a Glance

Verdict

Who each is for

21st Century Biotin 5,000 mcg

Life Extension Biotin 600 mcg

What you get from each

21st Century Biotin 5,000 mcg

Life Extension Biotin 600 mcg

Key Differences