The Quality of Life Guarantee: every ingredient validated by human studies; all dosages consistent with clinical research.

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Collagen Peptide

Collagen peptide contains amino acids, such as proline and cysteine, which serve as the building blocks of keratin (the main structural protein of the hair, nails, and stratum corneum). The skin uses amino acids to repair damage and to replace skin cells and collagen tissue. Supplementation with collagen peptide not only increases levels of collagen in the skin — which makes skin more firm and supple — but also reduces the activity of the enzyme collagenase, a matrix metalloproteinase that breaks down collagen in the extracellular matrix (or the spaces between cells). While most proteins are digested and absorbed as amino acids, at least part of collagen is absorbed intact as oligopeptides. These oligopeptides are believed to reduce UVB damage and support the skin’s recovery from UVB exposure by using cells’ signaling pathways.

See HumanClinicals.org.