vitamin PP


nic·o·tin·ic ac·id

(nik'ō-tin'ik as'id), Part of the vitamin B complex; used in the prevention and treatment of pellagra, as a vasodilator, and in hyperlipidemia, in which it lowers cholesterol and acts an agent to elevate levels of high-density lipoprotein. Synonym(s): anti-black-tongue factor, antipellagra factor, niacin, pellagra-preventing factor, vitamin PP