Health and Fitness FDA Warns Consumers Not to Use Muscle Growth Product Called Tri-Methyl Xtreme by Gary Kopycinski on April 14, 2015 Gary Kopycinski Author More in Health and Fitness: On Hantavirus, Park Forest Officials Urge Caution May 18, 2026 Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Park Forest Aligns With Illinois Guidance on Childhood Vaccines Amid Federal Changes January 11, 2026 Product marketed as a dietary supplement contains potentially harmful synthetic steroids