Nicotinamide Riboside Chloride from China
Nicotinamide riboside chloride serves as NAD+ precursor supplement with pyridine carboxamide structure. Classifies under HTS 2924.29.62 as aromatic amide 'other drug'. Pure compound per Chapter 29 definitions.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• GRAS notification if dietary use; stability in >70% humidity
• Riboside linkage confirmation via MS
• Nutraceutical vs drug distinction critical