DHEA (dehydroepiandrosterone) - DHEA is the body's most abundant adrenal hormone and serves as a precursor to testosterone and other androgens. Zinc - Essential mineral important for proper prostate function. Yohimbe - Legendary herb from Africa reputed to improve blood flow. Guarana - Traditional energizer from South America where it is used in soft drinks and baked goods. Horny Goat Weed - Chinese herb traditionally used to enhance sexual desire. Muira Puama - Brazilian herb known as potency wood commonly used for male performance.