Supplements for Brittle Nails: Biotin, Silica, and Collagen
Brittle nails break easily and grow slowly. Learn which supplements—biotin, silica, collagen—have evidence and what doses work.
February 26, 2026·4 min read
Brittle nails break easily and grow slowly. Learn which supplements—biotin, silica, collagen—have evidence and what doses work.
Nail ridges can signal nutrient deficiencies or aging. Learn what vertical and horizontal ridges mean and which supplements help.