Enhanced Collagen is essential to keep the bodies largest organ from ageing and breaking down !!! What makes this Collagen Enhanced? The collagen is Bovine Hydrolized Collagen and the amino acids that enhance the collagen efficacy are: L-Arginine, Glycine, Glutamine, Glutamic acid, Alanine, Lysine, Aspartic acid, Tyrosine, Histidine, Hydroxyproline, Leucine, Isoleucine, Cysline, Hydroxylsine, Methionine, Phenylalanine, Proline, Serine, Threonine, and Valine. It also contains Magnesium Stearate. DIRECTIONS: Three capsules with 8 oz. of water on empty stomach. Preferrably before bedtime.