BHB Ketone Salts, Brain Octane, MCT oil, coconut oil and sardines. On a ketogenic diet, one consumes high amounts of fat, moderate protein and low amounts of carbohydrate. Ketones are arguably the body's preferred fuel source over glucose. We recommend nutritional ketosis in combination with intermittent fasting as a pathway to optimal performance. Cycle 5 days on, 2 days off.