Ultra Testosterone Booster Drops' proprietary blend of ingredients combined with its sublingual delivery system (taken under the tongue) provides the body the most efficient form of nutrition and chance to increase Testosterone levels naturally. Eurycoma Longifloia or more commonly known as Longjack has been traditionally used as an Aphrodisiac because of its ability to not only stimulate endogenous testosterone found naturally in the body, but also reduce the level of inactive testosterone. Having had success working with its' Diet Drops product that signals the hypothalamus gland, Ultra6 Nutrition developed this product with its' 3-pronged ingredient formulation to similarly target the hypothalamus and the pituitary glands to naturally enhance the body's testosterone levels. Ultra Testosterone Drops' bio-available liquid delivery system gives you the best chance of improving your natural production of testosterone. Ultra6 Nutrition continues to focus on liquid nutrition (via concentrated drops) because of its ability to effectively and efficiently be utilized and absorbed by the body, unlike pills and capsules that pass through the body with minimal absorption and benefit.