What is MCT Oil? Medium-chain triglycerides (MCT's) are a type of fat that is found in certain oils and dairy products. MCT oil is made from these fats.  MCTs can be found in coconut oil, palm kernel oil, milk and butter. MCT oil is used mostly by people who want to lose weight or boost their energy and endurance during a workout. The oil is also believed to improve brain function and possibly help with various forms of dementia.   How does MCT Oil work?  MCTs are processed by the body differently to long-chain fatty acids. Unlike other fats, it goes straight from the gut to the liver. There, they are turned into ketones to be used as a source of energy. Ketones are chemicals produced when the liver breaks down a lot of fat. The body produces them when there is not enough insulin in the body to turn sugar into energy...