s only temporary energy, just like coffee, which is why people drink
coffee all day long. It wears off quickly and you crash. But most
of the herbs in this, such as damiana, tribulus, etc. are herbs used to enhance testosterone and sexuality. If you're low on this, it might make you more stimulated, but if you take it too often, you can become overly yang, in Chinese terms. It also contains phenylalanine, which is the precursor to norepinephrine, or adrenaline.