For a growing number of middle-aged men, aging 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 wellness spaces, social media feeds and online marketplaces. Although they are marketed as "next-generation biohacks" and "research chemicals, "many peptides are not approved for human use and lack basic clinical testing.
Still, their popularity is growing -- fueled by testimonials, influencer hype and the seductive promise of turning back time.
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