| Arginine Herbalife NiteWorks in Frisco Texas | | | | exercise performance through its beneficial effects |
| Improves Performance | | | | on the vascular system." As people age, production |
| LOS ANGELES, Apr 06, 2010 (BUSINESS WIRE) | | | | of nitric oxide declines, so the researchers believed |
| --Avid cyclists over the age of 50 had an | | | | that arginine supplementation could support the |
| improvement in their performance after taking | | | | production of nitric oxide and enhance performance. |
| arginine supplements "Nitric Oxide in Frisco" for | | | | The anaerobic threshold of the study subjects was |
| three weeks, according to a study just published in | | | | assessed both before and after the three week |
| the International Society of Sports Nutrition. | | | | study period. In those receiving the supplement, |
| "As people age, their exercise capacity may decline - | | | | their anaerobic threshold increased by 16.7% after |
| leading in turn to a decline in overall fitness that can | | | | one week, and held steady during the three weeks, |
| impact health," noted Luigi Gratton, MD, vice | | | | whereas those in the placebo group experienced no |
| president of medical affairs at Herbalife. | | | | change. |
| A group of 16 male cyclists, aged 50 to 73 years, | | | | "This indicates a potential role for arginine in improving |
| were randomly assigned to receive either the | | | | exercise performance in older subjects," said |
| supplement (Niteworks; Herbalife International, Los | | | | Gratton, "and improved performance could mean |
| Angeles, CA) containing 5.2 grams of L-arginine, or a | | | | better fitness and healthier lives." |
| look-alike placebo and instructed to continue with | | | | NOTE: The study, conducted at UCLA and funded by |
| their usual cycling regimen over the three week | | | | Herbalife, used Herbalife's original formula Niteworks. |
| study period. | | | | The current product has a slightly different formula, |
| After three weeks, those taking the supplement had | | | | although no changes were made to the |
| an increase in their anaerobic threshold - the point at | | | | active ingredients. |
| which lactate begins to accumulate in the blood, | | | | Niteworks was created based on research conducted |
| leading to fatigue. | | | | by Lou Ignarro, Ph.D., who received the Nobel Prize |
| | | | in 1998 for his work on nitric oxide. Ignarro is a |
| "Arginine is involved in the production of nitric oxide in | | | | member of the company's Scientific and Nutrition |
| Frisco in the body," notes Gratton, "and nitric oxide | | | | Advisory Boards. |
| has been associated with the improvement of | | | | |