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Peptides: performance-boosting, anti-ageing drugs or dangerous snake oil?

By Adam Taylor, Professor of Anatomy, Lancaster University

For a growing number of middle-aged men, ageing no longer means surrendering to sagging skin, sore joints or slowing metabolism. Instead, it’s becoming a science experiment. The new frontier? Injectable peptides – experimental compounds that promise rapid recovery, fat loss and muscle gains with the ease of a twice-daily to weekly jab.

Once confined to elite labs and obscure bodybuilding forums, these amino acid chains are now flooding

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