Cayenne is a natural vasodilator and lowers blood pressure as it increases curculation(also a blood thinner)-if you don't have a blood pressure monitor get one-mine cost $60 and is self inflating with auto read out-currently I am on dilating medication due to a closed head injury which as constricted vessels leading to the brain-since I started The Master Cleanse the amount of meds needed has dropped dramatically and soon i hope to eliminate all together-I'm on day 20-but i would discuss it with his physician, I did, and he showed great support and insight although I am aware many in the medical field are not open to alternatives to what they provide, big egos they have, so be prepeared for your doc to possibly denounce the cleanse-as for low blood Sugar the Maple Syrup should take care of that and if wt is a concern just add more syrup-up to 3 tbs per lemonade and drink near the maximum recommended, 12-could possibly add wt this way