Busy Fingers Make for Longer Fingernails: FALSE 'I take it myself and do feel it helps with nails,” says D'Anne Kleinsmith, MD, a dermatologist in West Bloomfield, Mich.

Although it seems unlikely that someone could get too much biotin, don't take large doses unless you're under the close care of a dermatologist or other doctor. The Institute of Medicine has not determined a safe upper limit for this dietary supplement due to lack of information about its possible side effects. Luke's Roosevelt Hospital Medical Center in New York. 'They all have significant amounts of biotin in them, plus calcium and silicon in some form,' says dermatologist Amy Newburger, MD, of St. 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.īiotin is often sold by itself as a dietary supplement or as an ingredient in vitamins sold to improve the look of the skin, hair, and/or nails. You won't make your nails grow more quickly if you take this dietary supplement. Biotin Supplements Are Linked to Long, Stronger Nails: TRUE

'But if you can get the nails to not break and therefore appear longer, that's where things come into play,' he says.įirst, you need to know what’s true and what's false about nail growth. You can't hurry your nails, which grow at a fixed rate of about a millimeter a month, says dermatologist Bruce Robinson, MD, of Lenox Hill Hospital in New York. Sorry, but no matter what you've heard, they won’t make your nails grow faster. Wiggling your fingers in the air for hours at a time.

How long does it take for nails to grow