Many people are looking to lose weight, as always, and there have been some advances in medicine that have aided in this sometimes difficult process. One of these breakthroughs comes in the form of a pill known as ECA Stack. This particular pill is common in weight loss these days. The pill is somewhat of a cocktail in that it contains three separate drugs that work in tandem. The first component in ECA is ephedra, the second component is caffeine and the third is simple aspirin. This diet pill has been widely used in not only the US but all over the world.