ECA Xtreme Ephedra is the new ECA Stack fat burning sensation by none other than Hi-Tech Pharmaceuticals. The goal of ECA Xtreme is to help you burn fat and keep it off - by increasing metabolism, suppressing your appetite, and increasing your energy - so you can do more.* This thermogenic uses natural herbs to create one of the best supplements. ECA is an acronym for ephedra, caffeine, and aspirin, a combination designed to curb excess body fat.* Our customer reviews show ECA Xtreme is one of the most effective stack weight loss products available.* Try this product and write an ECA Stack Extreme review to let us know how much you love it.