Eating Gelatin Won’t Strengthen Your Nails
In the 1890s, Charles Knox advertised that his gelatin product could strengthen peoples’ nails. Although the myth has been debunked, it still persists. Dermatologist Dana Stern highly doubts that consuming gelatin will strengthen your nails.
Despite the gelatin hack being around for centuries, science has yet to prove that calcium or amino acids can improve nails. Soaking your nails in gelatin can soften instead of harden them. If you want an effective supplement, try biotin instead.
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