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.
How long does it take biotin to work on nails? six to 12 months
Is biotin a waste of money? Research has shown that biotin actually does little to promote healthy hair and nails. Biotin, also known as vitamin B7, has virtually no influence over hair growth or follicle health. Unless you’re suffering from a biotin deficiency, biotin supplements are basically a waste of money.
Related Questions
Does Biotin Really Help Nails Grow
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.