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

21st Century Biotin, 5,000 mcg, 110 Capsules contains 2 active ingredients, while Carlson Biotin, 5,000 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, 5,000 mcg, 100 Capsules?

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

21st Century Biotin 5000 mcg vs Carlson Biotin 5000 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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Carlson

Biotin, 5,000 mcg, 100 Capsules

4.8(1,412)·

Biotin, also known as vitamin B-7, is one of the eight important B complex vitamins. Biotin plays an important role in many of our body's metabolic functions, including supporting energy production, and helps nourish healthy hair, skin, and nails. Since biotin is not synthesized by the body, we must obtain it through our diet or a supplement.

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At a Glance

Verdict

Both Biotin 5000 mcg supplements deliver the same 5,000 mcg biotin per capsule, but 21st Century adds calcium while Carlson keeps it simple. The trade-off is a combined nutrient vs. a pure biotin option.

Who each is for

21st Century Biotin 5000 mcg

You want biotin plus calcium for dual nutrient support
Biotin 5000 mcg provides 113 mg calcium per capsule
You prefer a longer supply with 110 capsules

Carlson Biotin 5000 mcg

You prefer a pure biotin supplement without extras
Biotin 5000 mcg from Carlson contains no added calcium
You need a standard 100-capsule count

What you get from each

21st Century Biotin 5000 mcg

Biotin 5000 mcg from 21st Century provides 5,000 mcg biotin per capsule plus 113 mg calcium, with 110 capsules per bottle.

Carlson Biotin 5000 mcg

At a Glance

Processing analysis…

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Capsules

—

0 servings per container

100 servings per container

1 shared ingredients

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

0 only in Biotin, 5,000 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, 5,000 mcg, 100 Capsules

Carlson · 1 Capsule

Biotin, 5,000 mcg, 100 Capsules

Carlson · 1 Capsule

Ingredient	Amount	DV
Biotin	5,000 mcg	16%

† Daily Value not established

Other Ingredients Analysis

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

21st Century Biotin, 5,000 mcg, 110 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, 5,000 mcg, 100 Capsules

Carlson

Good

Other Ingredients

Microcrystalline cellulose, beef gelatin capsule, magnesium stearate (veg.), silicon dioxide.

Warnings

Contains gelatin (may not be vegan)Contains magnesium stearate (may not be vegan)3 filler ingredients

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

Certifications & Claims

Biotin, 5,000 mcg, 110 Capsules

Gluten-FreeNon-GMO

Biotin, 5,000 mcg, 100 Capsules

Gluten-Free

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

21st Century Biotin 5000 mcg vs Carlson Biotin 5000 mcg

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Capsules

At a Glance

Verdict

Who each is for

21st Century Biotin 5000 mcg

Carlson Biotin 5000 mcg

What you get from each

21st Century Biotin 5000 mcg

Carlson Biotin 5000 mcg

At a Glance

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Capsules

Biotin, 5,000 mcg, 100 Capsules

Other Ingredients Analysis

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Capsules

Serving Information

Certifications & Claims

Browse more comparisons in

At a Glance

Verdict

Who each is for

21st Century Biotin 5000 mcg

Carlson Biotin 5000 mcg

What you get from each

21st Century Biotin 5000 mcg

Carlson Biotin 5000 mcg

Key Differences