QualityCounts.com Newsletter of February 1, 2017
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The effect of l-arginine supplementation on body composition and performance in male athletes: a double-blinded randomized clinical trial
- Eur J Clin Nutr. 2017 Jan 25 -
"Athletes received daily either 2 g per day
l-arginine supplement
or the same amount of placebo (maltodextrin) for 45 days ...
Sport performance (VO2 max)
significantly increased in l-arginine supplementation group (4.12±6.07) compared with placebo group (1.23±3.36) (P=0.03). This increase remained significant even after adjustment of baseline values, physical activity and usual dietary intake of subjects throughout the study. No significant effect of l-arginine supplementation was found on weight, BMI, BFM and LBM"
- Related study:
The effects on plasma L-arginine levels of combined oral L-citrulline and L-arginine supplementation in healthy males
- Biosci Biotechnol Biochem. 2017 Feb;81(2):372-375 -
"Oral l-citrulline plus l-arginine supplementation more efficiently increased plasma l-arginine levels than 2 g of l-citrulline or l-arginine, suggesting that oral l-citrulline and l-arginine increase plasma l-arginine levels more effectively in humans when combined"
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