Hi Rush, Thanks for writing in to Healthcare Magic! Metaslim is an herbal product. such products contain herb s extracts which can alter your balance of brain neurotransmitters and can affect your autonomic nervous system leading to surge in BP, a Thyroid storm syndrome and deranged clinical status. Dietary modification is most feasible for you but if you are going to use Metaslim then make sure you are in close watch of a physician. If you have any further query please let me know I would try to answer it for you. Wish you a great health!