Methionine in fish health and nutrition: Potential mechanisms, affecting factors, and future perspectives ScienceDirect Methionine (Met): An Essential Amino Acid to Never Forget Optimus Medica Transsulfuration Activity Can Support Cell Growth upon Extracellular Cysteine Limitation: Cell Metabolism 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. Nutritional Influences on Methylation Springer Nature Link