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06.12.2023

Supplement with Pycnogenol and L-arginine improves sexual functioning in men

There are non-pharmacological options for men with mild erection problems who prefer not to use drugs like sildenafil. According to a Chinese meta-analysis, supplementation with a combination of L-arginine and Pycnogenol also has a positive, clinically significant effect on sexual function.

Study
Researchers from Chengdu University of Traditional Chinese Medicine in China traced 3 previously published researchers that included a total of 184 men with mild or moderate erection problems. The men were over 30. The Chinese aggregated the results of the studies and reanalyzed the results.

The men in the experimental group had received a supplement with L-arginine and Pycnogenol for 1-6 months. The heaviest daily dose tested in the studies was 3 grams of L-arginine and 80 milligrams of Pycnogenol.

L-arginine is a precursor of nitric oxide. More nitric oxide means that blood vessels dilate more easily. Pycnogenol activates the enzymes that release nitric oxide from L-arginine. In theory, Pycnogenol and L-arginine can enhance each other's prosexual effect.

Results
The combination of Pycnogenol with L-arginine improved sexual function across the board. The men in the experimental group reported, among other things, a more effective erection, a higher sex drive and a more satisfying orgasm.

Click on the figures below for a larger version.

The studies used also looked at the effect of supplementation on testosterone levels. There wasn't. This also applied to the side effects. According to the sudies, they were non-existent.

The researchers found no indications of bias. As far as they could see, there are no studies with less favorable results that have not been published.

Conclusion
The combination of arginine and Pycnogenol has a "significant effect on improving sexual function in aged patients with mild to moderate erection dysfunction," the researchers conclude. "We hope that this study will provide clinicians with more options for treating patients with erection dysfunction."

Source:
Front Endocrinol (Lausanne). 2023 Oct 4:14:1211720.

More:
Recipe for a sex supplement that works 09.10.2011
Study: erection supplement with L-arginine and Pycnogenol works (slightly) 02.09.2011

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