(HealthDay News) -- Beetroot juice can boost physical stamina and increase exercise endurance by up to 16 percent, a new British study shows.
The researchers found that nitrate in beetroot juice reduces oxygen uptake to a degree that can't be achieved by any other means. The findings could benefit endurance athletes, elderly people and those with cardiovascular, respiratory or metabolic diseases, the study authors suggest.
The study included eight men, aged 19 to 38, who drank 500 milliliters a day of organic beetroot juice for six consecutive days. They then completed a series of tests on an exercise bike. The same tests were repeated after the men drank the same amount of a placebo (blackcurrant cordial) for six days.
After drinking the beetroot juice, the men were able to cycle for an average of 11.25 minutes -- 92 seconds longer than after consuming the placebo drink. The men also had a lower resting blood pressure after they drank the beetroot juice, the researchers found.
The study was published Aug. 6 in the Journal of Applied Physiology. Read more...
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