Vita V-XL is proprietary blend of organically grown herbs: Saw Palmetto Extract, Guarana Extract, Taurine, Siberian Ginseng Extract, Tribulus Terrestris Extract, Muira Puama Extract, Nettle Root Extract and Horny Goat Weed with Zinc & Niacin. Muira Puama Extract is a Brazilian Shrub that earned the nickname Potency Wood and is used daily as an aphrodisiac. Nettle Root Extract provides a unique mechanism for increasing levels of free testosterone. Cnidium Monnier- allows performance to be sustained longer by increasing nitric oxide release and inhibiting PDE-5. The Yohimbe Extract, in high potency, added to the formula will stimulate sensory nerves and increase sexual desire. Xanthoparmelia Scarbrosa- induces smooth muscle relaxation to allow for increased blood flow and maximum dilation.