From weight loss and anti-aging to faster muscle recovery, peptide injections have exploded across social media, wellness clinics, and telehealth platforms. Influencers promote them as cutting-edge shortcuts for better health, while patients facing long waits or high prices for prescription drugs often look for alternatives. But not all peptide injections are created equal. Medical experts warn that unapproved peptide injections may carry serious risks, including contamination, dosing mistakes, hormone disruption, and possible links to cancer-related tissue growth.