Oral and topical collagen products like supplements and face creams are popular for treating signs of aging such as wrinkles, loss of skin hydration, and joint pain. Your body naturally produces collagen, and you can consume it through dietary sources such as chicken skin and fish skin as well as collagen supplements. These changes, along with the loss of another key structural protein called elastin, lead to signs of aging such as sagging skin and wrinkles. As people grow older, their collagen becomes fragmented, fibroblast function becomes impaired, and collagen production slows ( 3, 7). cellular migration, a process necessary for tissue maintenanceĬonnective tissue cells called fibroblasts produce and maintain collagen. It provides structural support to tissues and plays important roles in cellular processes, including ( 3, 4, 5, 6): These amino acids form three strands, which make up the triple-helix structure characteristic of collagen ( 3).Ĭollagen is found in connective tissue, skin, tendons, bones, and cartilage. There are 28 known types of collagen, with type I collagen accounting for 90% of the collagen in the human body ( 2).Ĭollagen is composed mainly of the amino acids glycine, proline, and hydroxyproline. A structural protein is one that makes up the structure or framework of your cells and tissues ( 1). In fact, it’s the most abundant structural protein in animals. What is collagen and why is it important?Ĭollagen is a type of protein.
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