Bioteekki Super Biotin is a strong product for skin, hair and mucous membranes. The product contains both biotin and methionine. Biotin contributes to the maintanence of normal hair, skin and mucous membranes. Biotin also contributes to normal energy-yielding metabolism and normal psychological function. Methionine is a sulfur-containing amino acid that is involved in the formation of keratin. The product is lactose-free and milk-free and does not contain constituents of gluten-containing cereals or ingredients of animal origin.