FrankTalk.org

L-Citrulinne, take about 6,000mg a day, really helps with overall vascular health. for ED read here: https://www.hims.com/blog/citrulline-for-ed

Nattokinase, I take it as it help lower blood pressure. Known by Japanese forever a Natto, it is a staple of Japanese diets. Reputed to actually clean plaque out of arteries. I have replaced my Losartan with it.
https://www.clinicaleducation.org/resou ... -can-make/

I use Nitric oxide supplements when I walk, pickleball or bicycle. It works for me, I can feel the blood flow to the Glans of my penis when walking at a good pace. Never used it for ED so cannot answer any question there,