Natures Aid 100% MCT Oil 1200mg 120 Capsules. MCT oil, also known as medium-chain triglycerides, is a popular choice for those following a Keto diet as it is rapidly absorbed and thought to provide a useful energy source. Natures Aid MCT capsules are a high-strength, easy-to-use option for when you're on the move. Made in the UK to GMP and pharmaceutical standards, sourced from 100% pure coconut oil, and completely palm oil free. Packaging may vary.