Tribulus terrestris extract:
Tribulus is often used to treat infertility, erectile dysfunction (impotence), and low libido. In the last decade, it has also become popular to improve sports performance and help bulk body builders as an alternative to steroids. Tribulus is most widely famous as a testosterone booster, which is the key to normal sexual function in men. Tribulus has no known side effects, and has been used for 1000s of years in chinese medicine.
Semen cuscutae extract (dodder seed):
semen cuscutae has been used throughout china for the treatment impotence. Studies have proven that Semen Cuscutae has positive effects on sperm production and mobility, testicle health and invigorates the reproductive system. Semen cuscutae, blends particularly well with Epimedium, and is believed to increase the effectiveness and boost the nitric oxide levels that are required for men to achieve erections.
Piper nigrum extract (black pepper):
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.