The FDA’s laboratory testing found the products contained various undeclared active ingredients, including sildenafil, tadalafil, vardenafil, sibutramine, desmethylsibutramine, phenolphthalein and/or fluoxetine. FDA laboratory analysis confirmed that Alpha-Male contains sildenafil and tadalafil, the active ingredients in the FDA-approved prescription drugs Viagra and Cialis, respectively, used to treat erectile dysfunction. For example, PDE-5 inhibitors may interact with nitrates found in…