Nutrients For Skin, Nails, And Hair; Many nutrients cannot be delivered to the body externally; Solgar Skin, Nails & Hair delivers a daily dose of Zinc (136% DV), Vitamin C (133% DV), Copper, MSM, and other key nutrients that support collagen Zinc & MSM; Zinc is trace mineral that plays a role in the synthesis of collagen in bone tissue; MSM (Methylsulfonylmethane) is a source of naturally present, bioavailable sulfur, a mineral that supports connective tissue & healthy joint cartilage Rich In Antioxidants; This formula helps support collagen, a major component of skin, nails & hair that can decrease as we age; Immune support antioxidants like Vitamin C help protect cells from oxidative stress & premature aging Non GMO, Gluten Free, And Kosher; Solgar Skin, Nails & Hair Tablets are suitable for vegans; Free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor and sweetener The Gold Standard: For over 70 years Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials