L-Arginine

Blood pressure is what it's actually lowered in a man.

Also called Arginine, L-Arg, Arg, 2-Amino-5-guanidinopentanoic Acid, L-Arginine Hydrochloride

The item

Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.