A potent vasodilator refers to a substance that can widen the blood vessels in our body. This causes the blood vessels to relax and expand, allowing more blood flow. Full definition
«The nitrite is swallowed again and then reduced to nitric oxide, which is a potent vasodilator. (sciencedaily.com)
Arginine is also implicated in regulating blood pressure, as it may be converted to nitric oxide, a potent vasodilator. (nutritionfacts.org)
A number of amino acids, including glutamic acid, arginine, glycine, cysteine, and histidine, have been shown to modulate concentrations of nitric oxide, a potent vasodilator (6 — 9). (academic.oup.com)