Brain-Derived Phosphatidylserine 50% Powder from Japan
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 — Japan → United States
15%
Rate breakdown
9903.04.6210%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• BSE-free certification mandatory for animal-derived imports
• Purity assays to confirm 50% PS content
• Source country restrictions apply