Niacinamide USP Powder from Mexico
Pharmaceutical-grade niacinamide (nicotinamide) powder meeting USP standards, a vitamin B3 derivative used primarily as a nutritional supplement. Classified under HTS 2936.29.16.30 as unmixed niacinamide, a chemically defined organic compound from Chapter 29 for provitamins and vitamins. It supports skin health and energy metabolism when used in supplements.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Verify USP certificate of analysis for purity >98% to meet FDA import requirements; ensure proper labeling as 'niacinamide' not 'nicotinic acid'; avoid misdeclaration as cosmetic ingredient to prevent reclassification