Bitter Orange promotes a “HIGHTENED STATE OF MOTIVATION” It is the missing element for regular caffeine consumers! (Can be too intense for some users) Bitter Orange Can Enable Anabolic Response (Fat Burner) Improve Athletic Performance (Pre-Workout) Increase Mental Focus (Energy),… Bitter Orange interacts with adrenergic beta receptors with an emphasis on the beta-3 receptor which is responsible for the release of energy from fat tissue ,its purpose is to raise energy levels and increase fat burning.