‘Traceability is vital’: labs test thousands of unregulated substances amid peptide craze

Experts warn consumers of unknown risks as one lab says about a third of samples fail basic quality checks What are peptides, are they safe and is there evidence to back up the hype? Is a new weight-loss drug making people fall out of love? People in the UK are sending thousands of unregulated substances that claim to support weight-loss and wellness to laboratories for testing, as experts say the underground market for injectable peptides has exploded. The peptide-testing industry has exp...

By Sarah Marsh and Nicola Davis