Home / WorldWorldRNZWorldRNZ·Jun 9, 2026·1 min readTanning, weight loss, anti-ageing - what do we really know about peptides?Often injected and unregulated, peptides promise to to do a range of things like enhance performance or change one's appearance, but experts question - at what cost?View original source — RNZ ↗ShareCopy linkShare on XShare on FacebookRelated storiesScienceNatureScienceJun 10, 2026 · 1 minIs the peptide craze backed by science? The promise behind the hypeNatureHealthRNZHealthJun 4, 2026 · 1 minAbnormal moles seen developing in patients chasing perfect suntan by using peptide melanotan-IIRNZScienceNPRScienceJun 9, 2026 · 1 minGLP-1s appear to protect against cancer. Researchers are trying to figure out howNPRHealthCBCHealthJun 20, 2026 · 1 minShould everyone be on GLP-1s? What the science really tells us about cancer prevention and other benefitsCBC
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