Nitrate and Vitamin C on Vascular Health Oxidative Stress

participants asked to consume dietary nitrate in the form of beet juice everyday in the morning and then one hour later, the vitamin C capsules.

vitamin C and the placebo were provided as supplement capsules. Participants were asked to consume one dose/shot of sport Beet IT (70ml) that delivers on average 300-400mg of inorganic nitrate every day in the morning during the four-week study period, except for the test days and washout weeks. Accordingly, the participant were asked to consume the daily vitamin C supplement (1000 mg) or placebo one-hour post beetroot juice supplementation.

Vitamin C matched Placebo capsules that made from starch.