Benefits of Collagen Supplements
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Joint Pain
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Collagen is purported to help people with arthritis and other joint-related problems by increasing mobility and reducing pain.
Cosmetic Benefits
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Producers of collagen supplements also claim that they improve the appearance of hair, skin and nails.
Topical Products
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Topical collagen products also are available for improving skin appearance.
Collagen Injections
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Injection of collagen by plastic surgeons is a common procedure for correcting skin indentations and wrinkles, and plumping up lips.
Lack of Research
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According to Ray Sahelian, M.D., little research indicates that collagen supplements can treat medical conditions, and that topical collagen cannot penetrate the epidermis because the molecules are too large and complex (see Resources).
Chicken Collagen
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Sahelian does cite two studies indicating that chicken collagen supplements can be effective at treating pain, stiffness and swelling from rheumatoid arthritis.
Favorable Study
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Another favorable study cited by Sahelian indicates that a supplement containing collagen and a collection of proteins and amino acids helped improve joint mobility and flexibility in athletes.
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