Beets Boost Endurance, Stamina and Athletic Performance

Beets and Endurance

Beets increase endurance according to research.

If you are a competitive athlete you are probably looking for ways to increase performance. Turns out that beets will provide that boost.

Multiple studies on beets

Several recent studies have proven that beetroot increases not only athletic endurance and stamina, but promotes cardiovascular health by lowering blood pressure and reducing free radical damage.

Research from the UK’s Liverpool Hope University found that beet juice increases oxygen uptake and boosts exercise performance.

The researchers tested nine athletes who were either given 140 milliliters per day of beetroot juice or a placebo. The athletes were tested during extreme intensity exercise along with moderate exercise. The trial lasted for six days.

The research found that beetroot juice elevated the athletes’ blood nitrite levels and reduced oxygen requirements during both medium- and high-intensity exercise testing. It also increased time-to-task failure by 22%.

Time-to-task failure measures muscle exertion and fatigue. The point where muscle fatigue results in performance deficiency relates to the period of time-to-task failure.

Nitrate content extends performance

Other studies have confirmed that the nitrate within beetroot is one of the central active ingredients.

Illustrating this, a study from the UK’s University of Exeter studied 14 team-sport athletes. They gave them either 490 milliliters of concentrated nitrate-rich beetroot juice or a beetroot juice removed of nitrates.

The study found the nitrate-rich beetroot juice significantly increased performance during intense exercise.

Another study comes from the UK’s University of Exeter Sport and Health Sciences department. The research tested team sport players in a double-blind study. Fourteen of the athletes were given 490 milliliters of beet juice and a matched group was given the same beet juice but without the nitrate content.

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They found that the beet juice with nitrate group performed at significantly greater levels than the other group and had faster recovery rates. The researchers concluded:

“Dietary nitrate supplementation improves performance during intense intermittent exercise and may be a useful ergogenic aid for team sports players.”

Another study, this also from the University of Exeter, found by testing nine athletes with cycling tests that 250 milliliters of beet juice twice a day significantly increased endurance during intense exercise. Several other studies from Exeter have confirmed these findings.

As researchers have struggled to find the mechanism and active constituent, it appears the nitrates in beets fuel the cell’s energy producers – the mitochondria.

Mitochondria and phosphorylation

A recent study from Mexican researchers found that beet’s nitrate constituents stimulate the voltage-dependent anion channels within the mitochondria. This creates a more streamlined production of energy within a pathway called oxidative phosphorylation.

This mechanism proves out in practical endurance situations as well. Researchers at the Saint Louis University studied 11 athletes (men and women). The subjects were either given placebo or 200 grams of baked beets prior to being tested.

Those who ate the baked beets ran 0.4 kilometers-per-hour faster than the athletes who ate the placebo for a five kilo run, and during the last kilometer, the beet-eaters ran 5% faster than those who did not eat the beets.

The researchers concluded that:

“Consumption of nitrate-rich, whole beetroot improves running performance in healthy adults.”

Research from The Netherlands’ Maastricht University Medical Centre found that 140 milliliters of concentrated beet juice a day significantly improved the times and speeds in cycling tests on cycling athletes.

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Meanwhile, Polish university researchers found that the betanin in beets stimulated developing immune cells – neutrophils – and reduced free radicals.

Other studies have found that the nitrate content in beetroot juice increases muscle efficiency and exercise intolerance.

Beets also contain lutein, which has been shown to slow down age-related macular degeneration.

A study from Texas showed that beets and other nitrate-containing foods can increase endothelial function.

Certainly beets make for a healthier performance-enhancer than steroids.



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Case Adams, PhD

Case Adams has a Ph.D. in Natural Health Sciences, is a California Naturopath and is Board Certified as an Alternative Medicine Practitioner, with clinical experience and diplomas in Aromatherapy, Bach Flower Remedies, Blood Chemistry, Clinical Nutritional Counseling, Homeopathy and Colon Hydrotherapy. He has authored 27 books and numerous articles on print and online magazines. Contact: [email protected]

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