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Yes, your elevated pulse rate is because of the substance DMAA found in Jack3d. This is a substance which has been banned in many nations. It has been known to cause many side effects such as seizures, heart attacks, palpitations. liver
failure and the like. Since you seem to have chest pain
, which has not reduced in more than an hour, I would suggest that you go meet a doctor. Meanwhile, you can take a painkiller such as aspirin