Why should I take Solgar Hair, Skin and Nails?Solgar Skin, Nails and Hair is specially formulated to provide essential structural nutrients for collagen formation and repair, including MSM, Silica, Zinc and Vitamin C.This unique formula is perfect for anyone with dry, rough or prematurely aging skin, brittle or weak nails, dull lifeless hair or poor wound healing, and has the added benefit of supporting joint health and mobility. Ingredients (per 2 tablets)MSM (methylsulfonylmethane) 1000mgRed algae powder (L corallioides) 150mgVitamin C (as ascorbic acid) 120mgL-Lysine (as l-lysine Hydrochloride) 50mgZinc (as citrate) 15mgL-Proline 50mgCopper (as glycinate) 2mgAlso contains: Microcrystalline cellulose, silicon dioxide, stearic acid, magnesium stearate, hydroxypropylmethyl cellulose, vegetable glycerin.DoseAs a food supplement for adults, take two (2) tablets daily, preferably at mealtime, or as directed by a healthcare practitioner. PrecautionsCaution with warfarin (due to MSM content).Always read the label and use as directed. Vitamins are supplementary to a balanced diet. If symptoms persist consult your healthcare professional.