|Beetroot health benefits. image credit: Jantoo Cartoons|
|Beetroot juice improves resting condition. NutraIngredients.com|
To improve their ability to withstand muscle fatigue during repeated spells of high intensity exercise and improve blood and oxygen flow in their muscles during training and competition, endurance athletes consume the crimson supplement.
|image credit: Nutri Choice 4 U|
Nitrates, found in leafy green vegetables such as spinach and beetroot, are converted naturally in the body to nitric oxide, a molecule that is known to relax and widen blood vessels and improve efficiency cells' use of oxygen. A number of companies liquefy beetroot and concentrate the nitrate into beetroot juice "shots."
|Benefits of beetroots. Nutri Choice 4 U|
The nitrite levels in the blood of the participants and the slowing of their' arterial pulsation velocity, an indication that the supplement did indeed have a biological (artery De-stiffening) effect.
The null effects on muscle blood flow observed in this first study, it is pointed out, resulted from two factors."Subjects were young with normal blood pressure and cholesterol levels, and these subjects had well-preserved vascular endothelial function to begin with."
Jin-Kwang Kim, David J. Moore, David G. Maurer, Daniel B. Kim-Shapiro, Swati Basu, Michael P. Flanagan, Ann C. Skulas-Ray, Penny Kris-Etherton, David N. Proctor. Acute dietary nitrate supplementation does not augment sub maximal forearm exercise hyperemia in healthy young men. Applied Physiology, Nutrition, and Metabolism, 2014; 1 DOI: 10.1139/apnm-2014-0228