Health Canada is warning Canadians about unauthorized synthetic peptide products being promoted online and through social media, including products marketed for weight loss, anti-ageing, bodybuilding, sleep and injury recovery. The federal department updated its peptide information on October 23, 2026.

Peptides are short chains of amino acids that perform important functions in the body. Some peptide-based medicines, including insulin and certain GLP-1 receptor agonists, are authorized for specific medical uses. However, not every product advertised as a peptide treatment has been assessed or authorized for sale in Canada.

Health Canada lists substances such as BPC-157, TB-500, CJC-1295 and ipamorelin among ingredients found in unauthorized health products promoted for human use. The department warns that these products may pose health risks, particularly when their safety, quality and effectiveness have not been established.

Consumers should be cautious about online claims promising rapid weight loss, improved athletic performance or anti-ageing benefits. Products promoted on social media should not be assumed safe simply because they are labelled “research use” or marketed by influencers.

Health Canada advises consumers to check whether health products are authorized before using them and to consult a qualified health professional about treatment options. The warning underscores the importance of evidence-based healthcare and safer online health-product purchasing.