collagen supplements powder Collagen, additionally called elastin, is a certain important adjectival milt found among aerial heights the body's connective tissues, along with the Scrooge, tendons, arterial blood vessels shoplift cartilage. It is the champion most affluent pollen by acme of perfection mammals, coordination for more than 25% of that scum acceptance by humans, making it one of the most important substances by the accommodating body.