How much biotin should I take for nail growth? Biotin may help for brittle nails. Studies show that taking-5 mg (2500 mcg) tablets daily may lead to some improvement in nail firmness, hardness, and thickness. In one study, over half of the folks taking biotin-5 mg a day had a 25% increase in thickness of their nails.
Which is the best biotin for nails? Top 9 Best Biotin Supplement For Nails
Does biotin really help nails? Biotin Supplements Are Linked to Long, Stronger Nails: TRUE But several studies show that biotin can strengthen brittle nails, making them less likely to split or break, so you may be able to grow your nails longer after taking the supplement regularly.
Which form of biotin is best?
6 best biotin supplements