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
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include heavy metal test results for supplement-grade imports
• Declare exact stoichiometry to distinguish from coordination compounds