width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport"/>Unregulated peptides: Victorian health authorities warn of anaphylaxis cluster linked to black market substances. Hospitals across Victoria are seeing a rising number of people suffering life-threatening allergic reactions to injectables made popular via social media. A chemical testing lab has begun testing unapproved peptides as demand for the products booms on social media. Testing of a popular counterfeit weight-loss peptide revealed that two out of three.