Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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09.05.2016 |
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Citrulline makes cyclists 1.5 percent faster
Cyclists can cycle four kilometres faster if they take a supplement containing L-citrulline, write researchers at the Japanese raw materials manufacturer Kyowa Hakko Bio in the Journal of the International Society of Sports Nutrition. The dose that the Japanese needed was modest to say the least: 2.4 gram L-citrulline per day. That's perfectly possible.
L-Citrulline
To read more about the advantages of L-citrulline supplementation related to L-arginine click here.
Study
On the day of the time trial the cyclists took the amino acid an hour before getting on their bikes.
Results
On the right above you can see that L-citrulline increased the participants' power. So the amino acid enabled them to cycle faster.
The participants reported less fatigue after cycling when they had taken the L-citrulline supplement than when they cycled on a placebo. The amino acid did reduce their concentration though. [Perhaps an argument for combining L-citrulline with a mild stimulant such as caffeine? - Ed.]
Conclusion
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