This video explores how fitness enthusiasts and "gym bros" are purchasing unapproved knockoff versions of Retatrutide, a potent weight-loss drug still in clinical trials. Despite legal restrictions, these individuals seek out these research chemicals from underground labs, labeling them as "reta" or "ret," fueling a trend on social media platforms like TikTok, Reddit, and Instagram. The video highlights the rise of this risky market and the potential dangers of using unregulated substances for weight loss.