Soy Isoflavone Genistein Extract from Japan
Genistein, a natural estrogenic isoflavone, extracted from soybeans (Glycine max) via hydrolysis of glucosides. This steroidal hormone analogue is obtained indirectly from vegetable materials and used primarily for its phytoestrogenic hormonal effects in menopause supplements. HTS 2937.23.10 covers such chemically defined compounds per chapter notes.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Submit isoflavone content assays and solvent extraction method details; ensure GMO-free certification if marketed as natural; prevent blending with synthetics to maintain natural classification