MCT oil is great for a wide range of use. Below are just some of the reasons for people to use MCT oil: 1- Individuals looking to improve performance, alertness and clarity of thought during long working hours. 2 - Both amateur and professional athletes who want to increase their energy levels, endurance and recovery. 3 - Anyone looking to boost their metabolic rate. 4 - Individuals who are on a ketogenic diet or anyone who is looking to start a ketogenic diet.