Analysis by Dr. Joseph Mercola STORY AT-A-GLANCE Collagen is the most common and abundant of your body’s proteins, accounting for about 30% of the total protein in your body. One of its primary purposes is to provide structural scaffolding to allow tissues to stretch and flex while maintaining tissue integrity Collagen is found in your skin, connective tissues like tendons, ligaments, cartilage and fascia, your bones, organs, blood vessels, musculoskeletal system, hair and nails The loss of collagen that occurs with age is the primary reason for wrinkles, dry sagging skin and lackluster hair. You can maintain a more youthful appearance
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