It suggests that it is a more potent thermogenic in rats. It suggests that it is not thermogenic in humans. It does not have significant activity at the beta receptors. It is an alpha 1 agonist. It is an excellent appetite suppressant, which is 90% of the battle. Alpha 1 agonists have also been shown to increases beta 2 induced thermogenesis. And, it has another mechanism that would be expected to aid body composition which I am not at liberty to disclose at present. It stacks well with EC but is not a suitable replacement.