What is the difference between 21st Century Biotin, 5,000 mcg, 110 Capsules and Doctor's Best Biotin, 10,000 mcg, 120 Veggie Caps?

21st Century Biotin, 5,000 mcg, 110 Capsules contains 2 active ingredients, while Doctor's Best Biotin, 10,000 mcg, 120 Veggie Caps 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, 10,000 mcg, 120 Veggie Caps?

21st Century Biotin, 5,000 mcg, 110 Capsules has more active ingredients (2) compared to Doctor's Best Biotin, 10,000 mcg, 120 Veggie Caps (1).

21st Century Biotin 10,000 mcg vs Doctor's Best Biotin 5,000 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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Doctor's Best

Biotin, 10,000 mcg, 120 Veggie Caps

4.8(6,763)·

At Doctor's Best, we are all about pampering inner beauty. Our unique formula features Biotin, a crucial water-soluble vitamin essential for healthy skin, hair, and nails. Recognized for its contribution to "biotinylation", biotin plays a pivotal role in protein metabolism, along with supporting the healthy activity of DNA. - Supports healthy hair, skin, and nails - Fundamental to gene regulation and DNA integrity - Supports essential enzyme functions

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At a Glance

Verdict

Doctor's Best Biotin 10,000 mcg offers a higher biotin dose without added ingredients, while 21st Century Biotin 5,000 mcg provides a moderate dose with added calcium. The trade-off is dosage strength versus ingredient simplicity.

Who each is for

21st Century Biotin 10,000 mcg

You want a high-dose biotin supplement of 10,000 mcg.
Biotin 10,000 mcg uses veggie capsules for plant-based diets.
You prefer a single-ingredient supplement without added minerals.
You need a 120-count bottle for a longer supply.

Doctor's Best Biotin 5,000 mcg

You want a moderate biotin dose of 5,000 mcg.
Biotin 5,000 mcg includes calcium (113 mg) as an added mineral.
You prefer standard capsules and a 110-count bottle.
You are not concerned about higher biotin dosages.

What you get from each

At a Glance

Processing analysis…

Ingredient Comparison

Total mg Per Serving

Biotin, 5,000 mcg, 110 Capsules

Biotin, 10,000 mcg, 120 Veggie Caps

—

0 servings per container

120 servings per container

1 shared ingredients

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

0 only in Biotin, 10,000 mcg, 120 Veggie Caps

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, 10,000 mcg, 120 Veggie Caps

Doctor's Best · 1 Veggie Capsule

Biotin, 10,000 mcg, 120 Veggie Caps

Doctor's Best · 1 Veggie Capsule

Ingredient	Amount	DV
Biotin	10,000 mcg	33333%

† Daily Value not established

Other Ingredients Analysis

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

Doctor's Best Biotin, 10,000 mcg, 120 Veggie Capshas 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, 10,000 mcg, 120 Veggie Caps

Doctor's Best

100

Excellent

Other Ingredients

Microcrystalline cellulose, hypromellose (vegetarian capsule), magnesium stearate (vegetable source), silicon dioxide.

Warnings

3 filler ingredients

Positives

Appears vegan-friendlyNo 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, 10,000 mcg, 120 Veggie Caps
Serving Size	1 Capsule	1 Veggie Capsule
Servings Per Container	—	120
Package Quantity	110 count	120 count

Certifications & Claims

Biotin, 5,000 mcg, 110 Capsules

Gluten-FreeNon-GMO

Biotin, 10,000 mcg, 120 Veggie Caps

Non-GMOGluten-FreeVegan

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

21st Century Biotin 10,000 mcg vs Doctor's Best Biotin 5,000 mcg

Biotin, 5,000 mcg, 110 Capsules

Biotin, 10,000 mcg, 120 Veggie Caps

At a Glance

Verdict

Who each is for

21st Century Biotin 10,000 mcg

Doctor's Best Biotin 5,000 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, 10,000 mcg, 120 Veggie Caps

Biotin, 10,000 mcg, 120 Veggie Caps

Other Ingredients Analysis

Biotin, 5,000 mcg, 110 Capsules

Biotin, 10,000 mcg, 120 Veggie Caps

Serving Information

Certifications & Claims

Browse more comparisons in

At a Glance

Verdict

Who each is for

21st Century Biotin 10,000 mcg

Doctor's Best Biotin 5,000 mcg

What you get from each

21st Century Biotin 10,000 mcg

Doctor's Best Biotin 5,000 mcg

Key Differences