One of them, known as the ECA stack, contains caffeine and aspirin besides ephedrine, and is a popular supplement taken by body builders to cut down body fat before a competition.
One of them contains caffeine and aspirin besides ephedrine. One of them is known as the ECA stack. One of them is a popular supplement. This popular supplement is taken by body builders. This was to cut down body fat before a competition. One of them is known as the ECA stack.