Justine CullenJun 9, 2026 – 5.00amAdmiring someone’s body transformation used to come with a script. You’d ask: “Have you been working out?” They’d say yes, maybe mention a trainer or a new devotion to protein. These days, the exchange might sound the same on the surface, but it comes with an unspoken undercurrent: And what else are you doing?The “else” refers to a broad and fast-growing category of peptides that includes everything from prescription GLP-1 medications to a murkier collection of performance and aesthetic enhancers promising weight loss, muscle gain, sharper focus and slower ageing.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles