Accelerate Ketosis, Boost Energy & Focus. What is BHB? BHB is one of three ketones the body produces during states of fasting or through low-carbohydrate, high-fat diets. Ketone supplements are claimed to put your body into ketosis without having to follow a ketogenic diet. Learn more about Beta-Hydroxybutyrate (Bhb) uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain. There are different types of ketone body, but ketone salts use beta- hydroxybutyrate (BHB).