Collagen is concentrated in bones, ligaments, tendons, skin, blood vessels and internal organs. It helps provide elasticity and strength. As you age, you begin to lose the collagen within your body, and it becomes harder for you to make more.

More research is necessary to investigate collagen’s potential to boost muscle mass. 5. May promote heart health Collagen has long been a popular ingredient in skin creams, but there is a question over whether it can penetrate the epidermis (outer layer of skin). Injecting collagen has fallen out of favour, as it doesn’t last as long as some alternative fillers and has been associated with complications such as allergic reactions.

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You can also buy supplements that contain the primary amino acids involved in collagen synthesis — glycine, lycine, and proline. Some supplements obtain these amino acids from vegan sources. Vitamin C is crucial for collagen synthesis, so you should also be sure to eat foods rich in this vitamin, such as citrus fruits, broccoli, and bell peppers ( 2, 4).

Nutrients: “Specific Collagen Peptides Improve Bone Mineral Density and Bone Markers in Postmenopausal Women—A Randomized Controlled Study.” There is limited research on whether collagen can tighten skin. However, some studies have found that collagen supplements could potentially improve the appearance of saggy skin by improving: To support the formation of collagen, it is also important to ensure adequate intake of foods that contain vitamin C, zinc, copper and manganese. These nutrients can be found by eating a varied diet rich in fruits and vegetables, including green leafy and root vegetables, along with nuts and seeds — especially hemp, pumpkin and cashews.ANSWER:Collagen and biotin supplements appear to be getting attention in the media for promoting healthy aging, along with joint and bone health. However, it is important to understand what collagen and biotin are and what research is available to support these claims.