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Collagen is built from the amino acids glycine, proline, and hydroxyproline all of which need to be available from dietary protein
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I should note here that being a string of 15 amino acids is also remarkably un-special
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These are usually the same people who want to sell you the thing that they claim is beneficial
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The advisory notes these products are being marketed online and on social media for anti-aging, weight loss, injury recovery, sleep, mental focus and general wellness, and that Health Canada has already seized several of them
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