Showing posts with label athletic performance. Show all posts
Showing posts with label athletic performance. Show all posts

Friday, February 11, 2011

Drink Cherry Juice to Recover Quicker from Exercise

Gym-goers and joggers have been advised to drink cherry juice after a study found that it helps reduce muscle damage caused by exercise.

Researchers gave 10 trained athletes one ounce of an antioxidant-packed cherry juice concentrate twice daily for seven days before and after an intense round of strength training.


The athletes' recovery after the cherry juice concentrate was significantly faster compared to when they drank other juices without the same nutrient content of cherry juice.


After drinking cherry juice, athletes returned to 90 per cent of normal muscle force in 24 hours, compared to only 85 per cent of normal at the same time point without cherry juice.


This significant difference could affect an athlete's next performance.


Researchers at Sports and Exercise Science Research Centre at London South Bank University believe that the powerful antioxidant compounds in cherry juice cut damage to athletes' muscles –


-- the damage that normally occurs when muscles are worked to their maximum – allowing muscles to recover more quickly.


The research is the latest linking cherries to muscle recovery.


Researchers attribute the benefits to anti-inflammatory, antioxidant compounds in the red fruit called anthocyanins, also responsible for cherries' bright red colour.


Dr Wendy Bazilian, a registered dietitian and expert on super nutrients, said: "Cherries are what I call the ultimate superfood.


"Not only are they a perfect complement to a training routine since they are available year-round in dried, frozen and juice forms, but they taste great."


Dr Bazilian says some of her favourite ways to include cherries in the diet range from topping dried cherries in oatmeal to enjoying a smoothie of cherry juice and low-fat yogurt.


In addition to the benefits of recovery after exercise, researchers also suggest cherries could reduce inflammation which is linked to heart disease and arthritis.


The research was published in the American College of Sports Medicine's journal Medicine & Science in Sports & Exercise.


From: http://www.telegraph.co.uk/health/healthnews/8316803/Drink-cherry-juice-to-recover-quicker.html


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Thursday, December 9, 2010

Trimethylglycine (Betaine/TMG) Boosts Athletic Performance

I’ve used the nutritional supplement Trimethylglycine (aka “TMG” or “Betaine”) many times, in order to help alleviate fatigue and increase my energy levels.


In my personal experience, it works as well as its cousin, Dimethylglycine, or “DMG.”


So it was no surprise to me to read in the article below that Trimethylglycine has now been demonstrated in a study to have positive effects on athletic performance.


Here’s what the new study revealed:


“New research presented earlier this year at the annual conference of the International Society of Sports Nutrition demonstrated that betaine supplementation has a positive impact on athletic performance.


The research examined the effect of betaine, a nutrient found at high levels in spinach, whole grain and beets, on cycling sprint performance.


It revealed that subjects given an electrolyte drink containing natural betaine, performed better when cycling than those given a placebo.


‘We found that one week of betaine supplementation increased sprint power in untrained males and females,’ explains Stuart Craig, Ph.D., Danisco Director, Regulatory and Scientific Affairs, North America and one of the study’s authors.


‘The results showed a statistically significant performance improvement in the subjects given betaine.’


Sixteen untrained subjects were recruited at Ithaca College in New York to participate in the double blind, placebo controlled, cross-over design study.


Their cycling performance was measured against a benchmark performance that was recorded prior to a one-week betaine supplementation period and against an electrolyte drink placebo.


Betaine ingestion significantly increased average peak power, maximum peak power, average mean power and maximum mean power for all subjects combined compared to both placebo and baseline.


‘The results of this study add to the growing body of science supporting the benefits of betaine for athletic performance and as an important nutrient,’ adds Craig.


It is anticipated that the manuscript detailing this research will be published in early 2011.


Growing Body of Betaine Science


Two other studies published earlier this year in the Journal of the International Society of Sports Nutrition also investigated the role of betaine in exercise.


The first one explored the betaine content of sweat in adolescent females. The results of this study support evidence that betaine is a cell protectant and may be lost in sweat.


The second study delved into the effects of betaine supplementation on strength and power performance. Research subjects performing bench, squat and jump tests showed significantly increased power and force measures.


Natural betaine in is also known as trimethylglycine. It is inherent in most living things, is found in particularly high levels in beets, wheat, spinach and shellfish.


On a cellular level, betaine is an organic osmolyte that supports cell metabolism. As an osmolyte, betaine plays a key role in protecting cells against dehydration and stress-related water loss, working synergistically with electrolytes for complete hydration.


It is highly compatible with enzyme function and stabilizes cellular metabolic function under various kinds of stress such as those related to exercise.”


Excerpted from: http://www.npicenter.com/article/Research/New-study-reinforces-Betaine-s-positive-effect-on-sports-performance-.aspx


Helpful Links:


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