Glucosamine Ascorbate from China
Ascorbic acid salt of glucosamine combining joint and antioxidant benefits, classified as glucosamine salt in 2932.99.90.10 per Chapter Note 5(A).
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Vitamin C equivalence calculation for labeling compliance
• pH 3.5-4.5 specification prevents degradation
• Brown glass packaging mandatory for light protection