Direct BHB Ketone Fuel for Energy and Performance Readily available ketone fuel designed to support smooth, sustained cellular energy, endurance, mental focus, and athletic performance.† Not a Precursor. An Actual Ketone. Some products provide ingredients your body must first convert into ketones. Ketone Boost delivers bioidentical beta-hydroxybutyrate, or BHB, a ketone your body also produces naturally and can use for energy. There is no alcohol precursor and no liver conversion step. Ketone Boost provides readily available ketone fuel without requiring fasting, carbohydrate restriction, or a ketogenic diet.