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Stuart Phillips, Professor, Kinesiology, Tier 1 Canada Research Chair in Skeletal Muscle Health, McMaster University

The peptide problem: Hype is outrunning the evidence

Health Canada recently warned Canadians not to buy or inject unauthorized peptide drugs sold online, naming products that include BPC-157, CJC-1295, ipamorelin, TB-500 and retatrutide.

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.

Peptides, short chains of amino acids (the building blocks of protein), are no longer marketed only to bodybuilders and elite athletes.

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