US health authorities reported the voluntary recall of a weight loss medication batch after testing confirmed contamination with fluoxetine and 2,4-dinitrophenol (DNP). ^[1] The Food and Drug Administration (FDA) has issued a recall for Lipofit Extreme Fat Burner 2.0, a dietary supplement sold online by Ana Salazar Modela Tu Cuerpo Inc. due to the presence of undeclared toxic substances. ^[2] The recalled product, identified as Lot 25M12F with an expiration date of 09/2027, contains undeclared fluoxetine in the daytime pills and undeclared 2,4-Dinitrophenol (DNP) in the nighttime tablets. ^[3] The company Ana Salazar Modela Tu Cuerpo Inc. announced the recall on August 26, 2026, affecting only batch 25M12F of the product Lipofit Extreme 2.0 Fat Burner. ^[4] The FDA stated that exposure to fluoxetine and DNP can lead to symptoms including nausea, vomiting, sweating, dizziness, and potentially fatal heart rhythm problems. ^[5] The FDA warned that 2,4-dinitrophenol (DNP) is a highly toxic substance not approved for human consumption that can cause severe damage to the heart, nervous system, and other organs. ^[6] Consumers who have the affected product should stop using it immediately, keep it separated from children, and should not sell or give it to anyone else. ^[7] The FDA states that when tainted with both fluoxetine and DNP, Lipofit Extreme 2.0 Fat Burner can cause a wide range of serious and potentially life-threatening adverse effects. ^[8]