[twin2]

I meant the drug is it for bipolar? Either way it's not a vitamin.

[OXENinFLA]

Main Entry: chlor·prom·a·zine
Pronunciation: klOr-'präm-&-"zEn, klor-
Function: noun
: a phenothiazine derivative C₁₇H₁₉ClN₂S used as a tranquilizer especially in the form of its hydrochloride to suppress the more flagrant symptoms of psychotic disorders (as in schizophrenia) —see LARGACTIL, THORAZINE