Jillian Michaels exposes dangers of self-dosing illegal ‘gray market’ weight loss drugs

Fitness expert Jillian Michaels has warned against the growing trend of Americans buying unregulated "gray market" weight loss peptides online and self-administering them without medical supervision. Speaking on the "Fox News Rundown", she said foreign-sourced, unapproved compounds carry serious health risks, including heart problems, vision loss and hormonal imbalances, and urged people to consult a doctor rather than dosing themselves based on advice from online forums. The warning matters because such products are easy to obtain but their true origin and quality are often unknown to buyers, unlike FDA-approved medications used under clinical supervision.

Michaels linked the surge in illegal sales to people chasing quick "vanity" weight loss, inspired by celebrity body transformations, rather than genuine medical need. She cited real-world harms already visible in public figures, such as gaunt appearances, ageing and hair loss, and warned of severe possible side effects including vision loss and suicidal ideation. The US Food and Drug Administration has also acted against the practice, issuing 30 warning letters to telehealth firms in March over misleading claims about compounded GLP-1 products, and warning in June about hundreds of adverse event reports linked to unapproved versions sold as "for research purposes only". Michaels added that stopping these unregulated drugs often triggers a rebound in hunger, risking a cycle of yo-yo dieting from disrupted natural hormone production.