does collagen contain glutamine
Collagen is a natural type of protein in the body that forms the connective tissues that hold skin, bone, tendons, muscle, and cartilage together.Collagen is so important in the way our skin looks and feels because it is the main structural component providing firmness and shape. Skin care formulas with animo acids like L-arginine and L-glutamine can help boost collagen production. 2  A 2005 study, for instance, found that topical L-arginine increased collagen production and encouraged faster wound-healing.
Collagen is a protein made up of amino-acids: glycine, proline, hydroxyproline, and arginine. The composition of collagen is considered unique given its high hydroxyproline content. If you lack the amino acids that combine to form collagen, your body's cells can't produce enough of it. Threonine is an essential amino acid for collagen production. Collagen is an important building block for the skin. It makes up to 30% of the protein of the living body and 70% of the protein that makes up skin. Collagen ensues the cohesion, elasticity and regeneration of skin.