A new study at Baylor University has found that NO2 Platinum a famous nutritional supplement that claims to strengthen muscle power by elevating blood flow to the muscles does not actually increase blood flow to that extent.
Arginine-alpha-ketoglutarate (AAKG) is the major ingredient of several nutritional supplements developed in recent years and all of them claim to increase flow of blood to the muscles through widened blood vessels gained by increased nitric oxide production. This increased blood flow with AAKG supplement provides much higher strength to muscles during resistant exercise than just exercise alone.
Under the study, effects of AAKG supplementation on 24 men who had taken the nutritional supplement NO2 Platinum for seven days were studied by the researchers at Baylor University and they found that AAKG supplementation had not increased the blood flow to a momentous level after a single round of resistance exercise.
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Lead author of the study, Dr. Darryn Willoughby, associate professor at Baylor University, said, “We did observed small increase in the glow of blood but that increase is due to the resistance exercise. It cannot be attributed to the nutritional supplement taken by the participants. Our data appear to disprove the assumptions of the manufacturer who claims that their supplements bring vasodilation effect i.e. increasing the flow of blood to skeletal muscle that get active during resistance exercise.
Moreover, the researchers of the study also demonstrated that the level of nitric oxide circulation, arterial blood flow and vasodilatation effect can be easily achieved by only a single bout of resistance exercise and the effect of AAKG supplement is not better than a placebo.
The International Journal of Sport Nutrition and Exercise Metabolism have given an important place to Willoughby’s study in their August edition.
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