Came across this info thought it might be of interest. Had not heard of pycnogenol before. An amino acid naturally present in the body, L-arginine helps make nitric oxide, which relaxes blood vessels...
Interesting that you mention l-arginine I just starting taking it a couple of days ago 3000 mg a day along with 25 mg Viagra every other day. I am 5 weeks post op and just starting to get some...