Injectable peptides are touted online as a ‘glow up potion’. Here’s why experts warn against unapproved use

Peptides are short combinations of amino acids that occur naturally but can also be manufactured. Online influencers are making sweeping unverified claims about their benefits. Composite: Getty Images

Influencers are telling their audiences that injectable peptides are the “glow up potion” they need for everything from clearing up hormonal acne, thickening hair, relieving back pain and even treating chronic UTIs.

These peptides, intended for research purposes (as some influencers do point out) and not approved for human use, are being increasingly sold through unregulated online channels.