Calcium Diglutamate from Canada
Calcium diglutamate is a calcium salt of glutamic acid, used in supplements and as a calcium source in fortified foods. It qualifies for HTS 2922.42.5000 under 'other' glutamic acid salts per chapter notes on inorganic salts of organic acids classified with the organic component.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Ensure compliance with FDA supplement labeling; provide calcium/glutamate ratio analysis
• Pitfall: incorrect declaration as a mixture if combined with vitamins