Brain-Derived Phosphatidylserine 50% Powder from Mexico
Brain-derived phosphatidylserine 50% powder from bovine/covine sources for nootropic use, classified as impure phosphoaminolipid in HTS 2923.20.20.50 per Chapter 29 note (a).
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6095%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• BSE-free certification mandatory for animal-derived imports
• Purity assays to confirm 50% PS content
• Source country restrictions apply