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Chinese study: carnitine may boost male fertility.

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Supplementing with L-carnitine or acetyl-L-carnitine may help improve male infertility, according to a recent research review. * Male infertility affects an estimated 40% of infertile married couples.

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Scientists in Beijing, China, evaluated data from nine randomized trials that examined the efficacy of the two forms of carnitine on several measures of male fertility. Supplementing with carnitineproduced significant improvements in pregnancy rate, total sperm motility, and forward sperm motility, though no significant effects on sperm concentration were seen.

The scientists believe that supplementing with L-carnitine and/or acetyl-Lcarnitine may help improve sperm kinetic features and improve pregnancy rate in patients affected by male infertility.

Reference

* Zhou X, Liu F, Zhai S. Effect of L-carnitine and/or L-acetyl-carnitine in nutrition treatment for male infertility: a systematic review. Asia Pac J Clin Nutr.2007;16 Suppl:383-90.
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Title Annotation:In The NEWS
Author:Wagner, Elizabeth
Publication:Life Extension
Article Type:Brief article
Geographic Code:9CHIN
Date:Jul 1, 2007
Words:137
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