DHEA the most abundant steroid in the blood of adult humans peaks in early adulthood and declines with age. Animal research indicates that 7-Keto a natural metabolite of DHEA is a more active inducer of thermogenic enzymes than DHEA. Research on humans has shown that supplementation with 7-Keto is well tolerated. It is not converted to estrogens or androgens a point of concern for many people.Other products from HerbsPro