Stacker 2, "The Worlds Strongest Fat Burner" helps suppress uncontrollable cravings, recharge low energy levels and provide an effective method to enhance fat burning and increase lean muscle mass.Now you can enjoy the benefits of Stacker 2 without Ephedra in Stacker 3 EF, Ephedra free Stacker 2.Stacker 2 utilizes Ephedra, Kola Nut, and White Willow Bark which are the herbal forms of Ephedrine, Caffeine, and Aspirin, respectively, the ingredients in most other stimulant based weight loss products. Stacker 2 utilizes these three herbal ingredients whose properties most closely approximate those found in other stimulant based weight loss products, ideal for anyone wary of products containing these ingredients.