Bulletproof Brain Octane C8 MCT Oil - Effective in providing increased brainpower, reduced brain fog and enhanced energy. A medium chain triglyceride derived from coconut oils. Brain Octane is rapidly metabolized into ketones, providing a quick source of brain fuel from fats rather than inflammation-causing sugar. Adding Brain Octane to your diet helps you maintain peak mental performance. Brain Octane also supports healthy digestion and immune function.