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Collagen is a structural protein that makes up about one-third of the protein found in the human body. Collagen peptides are smaller components of collagen that have already been broken down, making them easier for the body to absorb. Collagen and collagen peptides are often used for joint pain, bone health, and as an antiaging product for skin.
Collagen peptides are most often sold as pills or as powder. There are also topical preparations available.
Hydrolyzed collagen has been studied at dosages ranging from 720 milligrams to 10 grams per day.
In a meta-analysis of 23 randomized controlled trials with a total of 1,474 participants, taking a collagen supplement improved skin elasticity, hydration, and wrinkles, but only in questionable studies.
Collagen is most often used for Skin, Hair, & Nails. The Examine Database covers Muscle Size & Strength.
