7Search.ccniacinamide pc inci nameniacinamide pc inci nameinci name of niacinamideother name of niacinamideniacinamida pc e niacinamidaother names for niacinamidewhat is niacinamide derived fromvitamin c + niacinamidechemical formula of niacinamideis niacinamide a prescriptionis niacinamide an acid