Magnesium Gluconate from Canada
Magnesium gluconate, magnesium salt of gluconic acid, qualifies under additional U.S. note 3 as an aromatic carboxylic acid with oxygen function. Classified HTS 2918.99.4300 for these specific organic metal salts. Used in dietary supplements and medical treatments.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include heavy metal test results for supplement-grade imports
• Declare exact stoichiometry to distinguish from coordination compounds