Riboflavin Vitamin B2 Phosphate Tablets from Canada
Riboflavin-5'-phosphate sodium (synthetic B2 from aromatic lumiflavin) 400mg tablets for migraine prophylaxis, retail doses. Under HTS 3004.50.40.00 for measured synthetic vitamins.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Light-stability packaging required for flavins
• Phosphate ester confirmation via HPLC
• Avoid food colorant claims