An ECA stack is a commonly used, fast weight-loss supplement. It combines the use of ephedrine, caffeine and aspirin. It is a stimulant and has been around the weight-loss and performance-enhancing industry for decades. But like all diet pills, an ECA stack comes with adverse side effects.
ECA stack is a combination of ephedrine, caffeine and aspirin used as a stimulant and for weight loss. It is illegal in the United States and Canada due to significant health risks related to ephedrine. Taking it may cause moderate weight loss.
An ECA stack is used mostly to burn fat. It consists of Ephedrine, Caffeine and Aspirin. Diet pills containing ephedra or ephedrine were available for purchase at most stores until the FDA banned them for safety reasons.