Peptide injections have become the wellness world’s biggest health hack. Proponents believe these shots can build muscle, rejuvenate skin, heal injuries, and otherwise promote vitality and longevity.
“Over the last 5 to 10 years, peptides have gone from something only performance athletes, biohackers, and longevity doctors talked about to something you hear about casually in group chats and on TikTok. Social media, podcasts, and influencer culture have really accelerated the awareness,” says Jen Sogol Ash, ND, a doctor of naturopathic medicine, functional medicine expert, and a longevity director at Concierge MD and Drip Hydration in Los Angeles.
But what are peptide injections, exactly, and are they safe and effective? Here’s what the evidence shows, plus other issues related to the explosive growth of the largely unregulated injectable peptide industry.
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