Pharmacokinetics of Berkeley Life Oral Nitrate Supplementation

The purpose of the study is to examine the way that a nitric oxide supplement moves through the body. Specifically, the relationship between saliva and blood concentration of the supplement and the elapsed time since taking the supplement. Participants will : * Come to UVA to participate in testing procedures. * Take a nitric oxide supplement up to twice. * Complete a pregnancy test if the participant is a pre-menopausal female. * Produce saliva into a tube to collect a sample. * Undergo several blood draws (less than 6 tablespoons). * Wear a 24-hour non-invasive device that monitors the participant's blood pressure.