For stronger nails and healthier hair, key supplements include biotin, collagen, and silica. Biotin supports keratin production, promoting growth and strength. Collagen helps improve hair thickness and nail resilience, while silica aids in maintaining structure and elasticity. Zinc and vitamin E also contribute to reduced breakage and improved scalp health. Iron and vitamin D can prev... https://nuvvagen.com/2025/07/27/best-supplements-for-hair-skin-and-nails/