Abstract: A nutritional supplement includes a predetermined amount of an ATP increasing herbal component which includes species of cordyceps to increase a long-term internal ATP energy; a predetermined amount of L-theanine to increase a mental energy; and a predetermined amount of external energy stimulants including caffeine to provide a short-live external energy, which may be utilized as beverages, foods, supplements, and drugs so as to provide the absolute energy for all mammals including human beings, and pets such as dogs, cats, and rodents.