Nutrients to Strengthen: Horsetail is a nutritive plant full of important minerals, and is standardized to supply 11.2 mg silica per dose.;Biotin is an essential vitamin that improves the strength and luster of brittle nails.;Connective Tissue Support: A special blend of vitamins and minerals provide the ingredients necessary to protect and repair connective tissue.;Proline and Lysine are key elements of collagen structure.;Free Radical Protection: The best way to maintain healthy skin, hair and nails is to protect them from damage.