Basically, MCT oil is the medium-chain of fatty acids. MCT stands for medium-chain triglycerides with 6-12 carbon tail at one terminal. The best source of fat during the ketogenic diet. Almost MCTs depend upon two or three fatty acids. Easily digestible oil with countless health benefits. Very effective oil for body health as an energy source. The main source of MCT oil is vegetable oil, palm nut, and coconut oil. The milk fats of goat, cow, and sheep contain only 20% of medium-chain triglycerides.