A thermogenic is a broad term for any supplement that the manufacturer claims will cause thermogenesis , resulting in increased body temperature, increased metabolic rate, and consequently an increased rate in the burning of body fat and weight loss. Until 2004 almost every product found in this supplement category comprised the " ECA stack ": ephedrine , caffeine and aspirin . However, on February 6, 2004 the Food and Drug Administration (FDA) banned the sale of ephedra and its alkaloid , ephedrine, for use in weight loss formulas. Several manufacturers replaced the ephedra component of the "ECA" stack with bitter orange or citrus aurantium (containing synephrine ) instead of the ephedrine.
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I think i might have an intolerance to whey or milk protein, after consuming an Impact whey shake with 5g Creatine mono i feel sick and nausea which lasts for 36 to 48 has happened several times now, which led to me having blood tests to check for GI problems (which came back all clear). It is having a real start stop effect on my workouts, what would be the best way of dealing with this issue.
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