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.