All products are independently selected by our editors.

If you buy something, we may earn an affiliate commission.

First, a bit of background: Biotin is a B vitamin known forpromoting healthy hairandhelping with brittle nails.

A girl combs her brown wavy hair with a purple comb.

Anastassiya Bezhekeneva

Its essential for the process by which cells create proteins.

One major symptom of biotin deficiency is alopecia (hair loss).

The data on taking biotin tohelp grow your hair, skin, and nails just isnt there.

Thorne Biotin

So whats a gal looking to grow her strands to do?

We spoke with dermatologists and dietitians for their recommendations on the best biotin supplements for hair growth.

All your biotin questions, answered

What exactly is biotin?

NOW Extra Strength Biotin

Some people report mild digestive symptoms, like an upset stomach, when taking biotin supplements.

Still, you may not be in the clear, at least not on paper.

How much biotin should you take for hair growth?

New Chapter Hair Skin Nails

But remember, a biotin deficiency is pretty rare.

Thorne Biotin

Amazon

Dr. Garshickrecommends Thornes biotin supplement because it contains a high dose of 8,000 mcg.

Just one easy-to-take capsule provides a large dosage of 10,000 mcg of biotin.

Nature Made Biotin

After struggling withpostpartum hair loss, I think these are definitely the way to go.

The pills are a little big but no larger than other capsules.

No odd tastes either.

Pure Encapsulations Biotin

Plus, these pills are easy to swallow and easily absorbed, according to Dr. Garshick.

Pure Encapsulations Biotin

Pure Encapsulations supplement offers 8,000 mcg (8 mg) of biotin.

We love that its free from common allergens and unnecessary dyes.

Solgar Biotin

Plus, its tested for purity and potency by third-party labs.

My hair recently has been shedding a lot and this is my go-to product for bald spots.

Solgar Biotin

Solgars biotin supplement offers 5,000 mcg of biotin.

The lower dosage also means youre less likely to get side effects like an upset stomach.