Purefit Keto Shark Tank  : We should take a moment and talk about a couple of myths surrounding the keto 7 where to buy and whether it is healthy long term. Our bodies can perform in the state of ketosis and be healthy. This state of ketosis is a natural occurrence when the body is not using sugar and glucose. The human body has no problem operating in this state naturally. In other words, it is safe to burn the fat!!