Collagen is the most abundant protein in our bodies. Common knowledge of collagen is that it gives our skin strength and elasticity. But collagen is also in our muscles, bones, skin, blood vessels, digestive system, and tendons. The most abundant amino acids found in Collagen are Proline, Glycine, Glutamine and Arginine which support gut repair. Collagen also supports skin and hair health, joints, metabolism and more. Naturobotanicas collagen includes Collagen Peptides have been broken down for better absorption within the body.