Think of your liver as a factory. Its job is to break down fatty acids into molecular compounds called ketone bodies, which are your body’s favorite way of transforming fats into easily digestible packets of energy. Your brain can’t absorb fatty acids, but it can absorb ketone bodies.
https://ipsnews.net/business/2021/11/25/true-keto-1800-reviews-burn-fat-for-energy-not-carbs/