Niagra ingredients is an all-natural herbal supplement
The Xanthoparmelia Scabrosa lichen is a natural PDE-5 inhibitor, allowing for sustained erections (works like Viagra). PDE-5 breaks down cGMP. cGMP is what is required to get an erection, therefore if you can inhibit PDE-5 you will have more cGMP, and harder erections.
Cnidium Monnier extract:
This herb Boosts levels of Cyclic Guanosine Monophosphate (cGMP). cGMP relaxes the muscles around the penis, making it possible for the penis to take in blood, thus allowing you to experience a proper erection. Cnidium Monnier is also known to be a powerful aphrodisiac.
Its been scientifically proven that this particular extract of black pepper will enhance the body's adsorption, of certain nutrients, such as those in the Niagra formula. Piper nigrum inclusion is to increase the speed at which the herbs start working and help with maximum herbal adsorption of the herbs, making the finished product more effective.
L-arginine is used to make the nitric oxide, a compound in the body that relaxes blood vessels. Preliminary studies have found that L-arginine may help with conditions that improve when blood vessels are relaxed (called vasodilation), such as atherosclerosis, erectile dysfunction, and intermittent claudication.