Schwatz Laboratories is the maker of Green Stinger with 27mg of ephedra. Schwartz has been manufacturing supplements for many years and has continually focused on research and development to be able to continue to deliver quality supplements. Their main focus is on ephedra diet pills with their top seller being Green Stinger. Ultimate Burn and Lean and Hot are other diet pills containing ephedra that they currently manufacture. Read our product descriptions and reviews to find the best weight loss supplement for you.