The popularity of peptides has increased profoundly among teens and young adults, driven by social media influencers and promising outcomes. However, the potential health risks posed by peptides have gone largely overlooked, with medical professionals strongly advising against this up-and-coming wellness trend.
At their core, peptides are short chains of amino acids that act as building blocks for proteins like collagen, elastin and keratin, all naturally produced in the body. Peptides have been used for decades in legitimate medical settings, taken under clinical supervision to assist in hormonal management, immune system modulation and tissue repair.
Many popular medications are technically classified as peptides. While GLP-1 drugs like Ozempic, widely prescribed for weight management, fall under this category, they underwent years of thorough testing by the FDA. These drugs represent one end of the spectrum.
Over recent years, though, the production, distribution and usage of peptides have drastically transformed, taking on a new market: teenagers. Through social media platforms like TikTok and Instagram, influencers have framed peptides as a shortcut to efficient muscle building, fast recovery and glowing skin. Their most effective tool has been the ‘body transformation video,’ a short clip depicting a dramatic change in appearance or physique played alongside trendy music.
“Peptides are everywhere,” said one high school student, who asked to remain anonymous. “I first started hearing about them freshman year. Now, I can’t scroll through my [social media] feed without seeing someone promote them.”
He is far from alone. Across the country, teenagers have been increasingly drawn in by the promise of rapid physical transformation. “When I heard about how peptides could help you build muscle so quickly, I was captivated,” said the student.
Peptides are typically injected, requiring cleaning agents, sterile needles, refrigeration and a prescription from a licensed practitioner, which many have now begun to illegally avoid. Often marketed through TikTok Shop, an integrated e-commerce feature on the platform, and by other illicit vendors online, peptides have become increasingly accessible to everyday consumers.
Doctor Sonia Sethi, a veteran pediatrician at Brentwood Pediatrics, believes that peptides’ broadening availability poses a large threat to users of the drug. “There’s no human data [on peptides], no adult data, no teenage data, and nothing substantiated in real medical research.” Peptides, Sethi says, which can often mimic or alter growth hormones, constitute a unique danger to teenagers at a crucial stage in their physical development.
The compounds most commonly drawing attention online include GHK-CU, Retatutride and Melatonin, all offering benefits in their respective fields. While some aim to support hair and skin health, and others promise to reduce metabolism and body fat, some can even help tan your skin.
Despite their expanding audience, peptides aren’t being frequently discussed in professional medical settings, according to Sethi. “If you asked my colleagues about peptides, nobody would know what you’re talking about,” she stated, emphasizing the emergence of the drug. “These are conversations really important to have, and I hope the rest of the medical community begins to acknowledge this.”
Recently, the anonymous student began taking Tesamorelin, an FDA-approved peptide aimed at reducing body fat and enhancing muscle growth. Unlike many of his peers, the student went through the legal route, discussing the decision with both his parents and doctor before starting.
However, after taking the compound for less than a month, he made the difficult decision to stop. “I just couldn’t keep doing it, I was too disappointed in myself,” he admitted, also noting slight side effects through his process of taking the drug. “I realized that I was cutting corners and discounting the value of hard work.”
As the popularity surrounding peptides only continues to flourish, one question lingers: Will regulators and the medical community respond with the same urgency that social media has marketed these drugs, or will teenagers pay the price?
