Berberine Sulfate from Canada
Berberine sulfate is a salt of berberine, an isoquinoline alkaloid from plants like goldenseal and barberry (vegetal origin), used in herbal supplements. This 'other' derivative qualifies for HTS 2939.79.00.00 as a chemically defined vegetal alkaloid salt.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide botanical source documentation (e.g
• Hydrastis canadensis) for origin verification
• Test for heavy metals/adulterants common in plant extracts
• Avoid retail packaging that might shift to Chapter 30 medicaments