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

21st Century Biotin, 5,000 mcg, 110 Capsules contains 2 active ingredients, while Solgar Biotin, 5,000 mcg, 100 Vegetable Capsules contains 3 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 Vegetable Capsules?

Solgar Biotin, 5,000 mcg, 100 Vegetable Capsules has more active ingredients (3) compared to 21st Century Biotin, 5,000 mcg, 110 Capsules (2).

21st Century Biotin 5,000 mcg vs Solgar Biotin 5,000 mcg Veg

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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Solgar

Biotin, 5,000 mcg, 100 Vegetable Capsules

4.8(6,053)·

Biotin is a water-soluble B-vitamin. It helps to support healthy skin, nails and hair, and is necessary for certain enzymes to work properly. Biotin also supports cellular energy production in the body by converting food into energy, and is required for protein, carbohydrate, and fat metabolism.

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At a Glance

Verdict

21st Century Biotin 5,000 mcg offers a straightforward biotin dose with calcium, while Solgar Biotin 5,000 mcg Veg adds phosphorus for extra mineral support. The trade-off is simplicity versus additional mineral content.

Who each is for

21st Century Biotin 5,000 mcg

You want a concentrated biotin dose without extra minerals
21st Century Biotin 5,000 mcg provides 5,000 mcg biotin per capsule
21st Century Biotin 5,000 mcg includes calcium as a secondary nutrient
You prefer standard capsules over vegetable-based alternatives

Solgar Biotin 5,000 mcg Veg

You want additional phosphorus alongside biotin
Solgar Biotin 5,000 mcg Veg delivers 5,000 mcg biotin plus phosphorus
Solgar Biotin 5,000 mcg Veg uses vegetable capsules for plant-based diets
You value a slightly higher calcium content (148 mg vs 113 mg)

What you get from each

At a Glance

Processing analysis…

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Vegetable Capsules

—

0 servings per container

2 shared ingredients

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

1 only in Biotin, 5,000 mcg, 100 Vegetable 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 Vegetable Capsules

Solgar · 1 Vegetable Capsule

Biotin, 5,000 mcg, 100 Vegetable Capsules

Solgar · 1 Vegetable Capsule

Ingredient	Amount	DV
Biotin	5,000 mcg	16%
Calcium (as dicalcium phosphate)	148 mg	11%
Phosphorous (as dicalcium phosphate)	115 mg	9%

† Daily Value not established

Other Ingredients Analysis

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

Solgar Biotin, 5,000 mcg, 100 Vegetable 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 Vegetable Capsules

Solgar

100

Excellent

Other Ingredients

Microcrystalline cellulose, vegetable cellulose, vegetable magnesium stearate, silica.

Warnings

Contains magnesium stearate (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, 5,000 mcg, 100 Vegetable Capsules
Serving Size	1 Capsule	1 Vegetable Capsule
Servings Per Container	—	—
Package Quantity	110 count	100 count

Certifications & Claims

Biotin, 5,000 mcg, 110 Capsules

Gluten-FreeNon-GMO

Biotin, 5,000 mcg, 100 Vegetable Capsules

Non-GMOGluten-FreeKosher

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

21st Century Biotin 5,000 mcg vs Solgar Biotin 5,000 mcg Veg

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Vegetable Capsules

At a Glance

Verdict

Who each is for

21st Century Biotin 5,000 mcg

Solgar Biotin 5,000 mcg Veg

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, 5,000 mcg, 100 Vegetable Capsules

Biotin, 5,000 mcg, 100 Vegetable Capsules

Other Ingredients Analysis

Biotin, 5,000 mcg, 110 Capsules

Biotin, 5,000 mcg, 100 Vegetable Capsules

Serving Information

Certifications & Claims

Browse more comparisons in

At a Glance

Verdict

Who each is for

21st Century Biotin 5,000 mcg

Solgar Biotin 5,000 mcg Veg

What you get from each

21st Century Biotin 5,000 mcg

Solgar Biotin 5,000 mcg Veg

Key Differences