Niacinamide(维生素B3)$17.40PriceQuantity*Add to CartBenefitsEnergy metabolism support; Skin barrier support; Nervous system healthUse CasesDietary supplement manufacturing; R&D; Formulation trialsQuality & ComplianceGMP-compliant sourcing; COA available upon requestPurity / Grade98% 99% 98.5%Form / Spec2kg(整袋) 15kg(整箱) 16.9kg(散)Inventory & EXPInventory: 18.9 kg | EXP: 无 7/2027 4/2027