Caffeine mobilises the body's energy reserves by braking down sugar. It stimulates the heart, dilates the vessels, causes bronchial relacations and boosts the metabolic rate. Damiana is known as an antidepressant and promoting the general feeling of well-being. Still others use Damiana for reasons suggested by its botanical name Turnera aphrodisiaca as a sexual stimulant. Ginseng has been used for thousands of years in the Orient as a general tonic. Today, it's one of the world's most most popular herbal supplements for stimulating energy and for helping the body handle stress. Boost your mental energy with Ginseng! Kola-nuts are valued for its stimulating-, aphrodisiastic- and healing qualities. Enhances alertness and physical capacities, improves mood, suppresses the appetite and has seuxal stimulating effects.