In one case, of all the women he talked to as many as 45 % actually had excessive levels of internal fat. (liftingrevolution.com)
This type happens during the first several weeks of carb reduction because the body has not had time to create the enzymes or metabolic state to burn internal fat stores for fuel. (ketogenic-diet-resource.com)
Considering that the majority of us train to burn off excess internal fat, it is certainly a win - win situation. (fitnessandpower.com)