Roborants are substances or medications that provide strength and energy to the body. Synonyms for roborants include tonics, invigorants, stimulants, restoratives, and rejuvenators. Tonics are substances that improve or maintain overall body function and vitality. Invigorants are substances that stimulate and energize the body, while stimulants increase overall physiological activity. Restoratives are substances that repair and revitalize the body after illness or injury. Rejuvenators are substances that promote youthfulness and vitality. As the body ages, certain functions may slow down, which can be helped by taking roborants to improve overall health and well-being.