Beetroot Juice Could Help People Live More Active Lives

Author: University of Exeter
Published: 2010/12/17 - Updated: 2020/10/24
Peer-Reviewed: N/A
Contents: Summary - Main - Related Publications

Synopsis: New research into health benefits of beetroot juice suggests it may help seniors or people with heart or lung-conditions enjoy more active lives. Beetroot juice has been one of the biggest stories in sports science over the past year after researchers at the University of Exeter found it enables people to exercise for up to 16% longer. What we've seen in this study is that beetroot juice can actually reduce the amount of oxygen you need to perform even low-intensity exercise.

Main Digest

New research into the health benefits of beetroot juice suggests it's not only athletes who can benefit from its performance enhancing properties - its physiological effects could help the elderly or people with heart or lung-conditions enjoy more active lives.

Beetroot juice has been one of the biggest stories in sports science over the past year after researchers at the University of Exeter found it enables people to exercise for up to 16% longer. The startling results have led to a host of athletes - from Premiership footballers to professional cyclists - looking into its potential uses.

Bundle of whole fresh organic beet plants (Beetroot).
Bundle of whole fresh organic beet plants (Beetroot).

A new piece of research by the university in conjunction with the Peninsula College of Medicine and Dentistry has revealed the physiological effects of drinking beetroot juice could help a much wider range of people.

In the latest study, published in the Journal of Applied Physiology, the researchers looked at low intensity exercise and found that test subjects used less oxygen while walking - effectively reducing the effort it took to walk by 12%.

Katie Lansley, a PhD student from the university's Sport and Health Sciences department and lead author of the study, said: "As you get older, or if you have conditions which affect your cardiovascular system, the amount of oxygen you can take in to use during exercise drops considerably. This means that, for some people, even simple tasks like walking may not be manageable.

"What we've seen in this study is that beetroot juice can actually reduce the amount of oxygen you need to perform even low-intensity exercise. In principle, this effect could help people do things they wouldn't otherwise be able to do."

When consumed, beetroot juice has two marked physiological effects. Firstly, it widens blood vessels, reducing blood pressure and allowing more blood flow. Secondly, it affects muscle tissue, reducing the amount of oxygen needed by muscles during activity. The combined effects have a significant impact on performing physical tasks, whether it involves low-intensity or high-intensity effort.

So far the research on the impacts of beetroot juice has only been carried out on younger people who are in good health, but the researchers believe there is no reason why the effects of beetroot juice wouldn't help others.

"While we haven't yet measured the effects on the elderly or those with heart or lung conditions, there is the potential for a positive impact in these populations which we intend to go on and investigate further," Katie Lansley added.

Beetroot juice contains high levels of nitrate. The latest study has proved that this is the key ingredient which causes the increase in performance, rather than any other component of the beetroot juice.

Professor Andy Jones, the senior scientist on the study and a pioneer of research into beetroot juice, said:

"In this study, we were able to use - for the first time - both normal beetroot juice and beetroot juice with the nitrate filtered out. Test subjects didn't know which one they were getting. The drinks both looked and tasted exactly the same. Each time the normal, nitrate-rich juice was used, we saw a marked improvement in performance which wasn't there with the filtered juice - so we know the nitrate is the active ingredient."

The research paper Dietary nitrate supplementation reduces the cost of walking and running: a placebo controlled study is available to view online as an article in press in the Journal of Applied Physiology - jap.physiology.org/cgi/reprint/japplphysiol.01070.2010v1

Attribution/Source(s):

This quality-reviewed publication pertaining to our Fruits and Vegetables section was selected for circulation by the editors of Disabled World due to its likely interest to our disability community readers. Though the content may have been edited for style, clarity, or length, the article "Beetroot Juice Could Help People Live More Active Lives" was originally written by University of Exeter, and submitted for publishing on 2010/12/17 (Edit Update: 2020/10/24). Should you require further information or clarification, University of Exeter can be contacted at exeter.ac.uk. Disabled World makes no warranties or representations in connection therewith.

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