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.
Is biotin good for 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.
How long does biotin take to work for nails? six to 12 months
Related Questions
Can biotin weaken nails?
So there is a real link between biotin and your skin, hair, and nails. In fact, being deficient in biotin can cause symptoms like thinning hair, skin rashes, and brittle nails.