Given the chatter that this is a gold-standard ingredient for hair growth, you may be super tempted to hit "add to cart" on the first product you see if you've noticed changes to your hair such as ...
NOW Foods’ extra-strength biotin capsules, for example, contain 10,000 micrograms, and Pure Research liquid biotin drops supply a staggering 20,000 micrograms per dose. So, are levels this high ...