One of a line of military commanders who from 1192 until 1867 were generally the actual rulers of Japan, although nominally subordinate to the emperor.
I am looking for vitamins that I can take that will increase blood flow to my penis. I heard the more blood flow to the penis, the better you perform (last longer) in bed. I did some research of my own on Google and found on a few websites where people said vitamins E, B1 (thiamine), B3 (niacin), and B12 are... show more I am looking for vitamins that I can take that will increase blood flow to my penis.
1 They may interact with certain drugs, such as anti-seizure agents (such as phenytoin), anti-anxiety drugs (such as diazepam), and blood thinners (such as warfarin).  Long-term use of high-dose PPIs may produce vitamin B12 deficiencies, but studies are needed to confirm whether there is any significant risk.