Bulk Berberine Chloride and Metformin Powder from China
Powder blend of berberine chloride (isoquinoline alkaloid) and metformin for diabetes management in compounding pharmacies. HTS 3003.49.00.00 for bulk mixed medicaments with plant-derived alkaloids.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Distinguish from dietary supplements; provide clinical trial data for therapeutic claims
• Certify berberine extraction purity to avoid Chapter 13 extract reclassification
• Batch test for metformin assay to ensure mixture integrity