Calcium Polyphosphate from Canada
Calcium polyphosphate serves as a dietary supplement for bone health and in dental applications for remineralization. It is an 'other' polyphosphate under HTS 2835.39.5000, chemically defined per Chapter 28.
Duty Rate — Canada → United States
13.7%
Rate breakdown
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
• FDA notification required for new dietary ingredient status under DSHEA
• Provide bioavailability studies distinguishing from simple calcium phosphate
• Ensure GMP certification for nutraceutical imports