Gamma-Linolenic Acid (GLA) Extract from Japan
Gamma-linolenic acid, an isomer of linolenic acid from borage or evening primrose oil, classified under HTS 2916.15.10.00 as a defined organic compound for supplement use.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify GLA vs ALA isomer in technical data sheet to match subheading description
• Include peroxide value testing; high oxidation disqualifies pure compound status
• For food supplement use, ensure GRAS status documentation