Fat burning is not always the problem. Sometimes the issue is detox capacity. When you move into a carnivore or animal based diet, the body relies heavily on a pathway called transsulfuration. New Insights into the Roles of Cysteine and Homocysteine in Pathological Processes IntechOpen 3 Unique Benefits Of Methionine protein synthesis protein intake. you can eat a pound of steak and only ~32% of those amino acids actually become new protein in your body. the rest gets converted to glucose