A composition and method for improving and maintaining brain function wherein the composition comprises an effective amount of coconut oil and an effective amount of medium-chain triglycerides. The medium-chain triglycerides and coconut oil may be mixed in a ratio of between 90% medium-chain triglycerides to 10% coconut oil and 40% medium-chain triglycerides to 60% coconut oil. The method comprises administering to a person, an effective amount of coconut oil and an effective amount of medium-chain triglycerides. The composition may be administered in a food item.