New Insights into the Roles of Cysteine and Homocysteine in Pathological Processes IntechOpen 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. Biomolecules: Homocystinuria and its management (practice) Khan Academy Methionine in fish health and nutrition: Potential mechanisms, affecting factors, and future perspectives ScienceDirect