Peptides are everywhere in health and beauty, but does the science actually back up the claims?

Peptides are widely promoted in health and beauty for benefits like weight loss and tissue repair, but many sold as 'research only' lack FDA approval. The FDA is easing access to peptides despite warnings about undermining drug approval, while experts note that only rigorously studied, FDA-approved peptides (like Tirzepatide and Semaglutide) have strong scientific backing.