Look, it MIGHT bump you into ketosis but it tastes like rotten mangos and smells like feet. I don't expect my supplements to taste good. I want them to be effective. I never puked while drinking it, but I did have to plug my nose and down it like my life depended on it. It's that bad. The seller says they are addressing the odor problem through a combination of solutions. I would advise future purchasers to make sure this issue has been resolved before purchasing, and keep in mind the taste is going to be rough...but the price is right and it's effective.