Not known: No such association is known.
Answered 5/8/2016
5.6k views
L arginine: L-arginine has been studied along with pycnogenol in men with erectile dysfunction, and found to help a significant percentage of them have normal erections. www.ncbi.nlm.nih.gov/pubmed/12851125.
Answered 7/13/2018
5.6k views
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