By your mid-twenties, your body starts losing its natural ability to repair connective tissue, bones, tendons, ligaments, ilage, blood cells, skin tissue, hair and nails. makes up 30% or more of the total protein in the body. Hydrolysate can help replenish lost collagen due to age, and repair collagen that has been damaged by vigorous exercise or injury. Anthony's Peptide Powder is an unflavored powder made of types I and III. It comes from grass fed, pasture-raised cattle in Brazil, who are not grain fed or given hormones, steroids or antibiotics. Anthony's provides a pure Hydrolysate that is free of added flavors or colors and contains a high protein content.