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Genistein

Genistein is a naturally occurring isoflavone glycoside found in soybeans and other plants, classified under HTS 2938.90.00.00 as a glycoside derivative. It is used in dietary supplements for its phytoestrogenic properties and potential health benefits.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+96.3%100%
🇲🇽Mexico3.7%+96.3%100%
🇨🇦Canada3.7%+96.3%100%
🇩🇪Germany3.7%+11.3%15%
🇯🇵Japan3.7%+11.3%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2937.90Lower: 12.5% vs 100%

If marketed primarily as a hormone or hormone analog

Genistein has phytoestrogenic activity; chapter notes specify hormone-like substances go to heading 2937.

3003.90Lower: 12.5% vs 100%

If when formulated into finished dosage forms like capsules

Medicaments in measured doses fall under Chapter 30, not bulk glycosides of Chapter 29.

2106.90Lower: 18.9% vs 100%

If incorporated into food supplements with additives exceeding 20% by weight

Food preparations with significant non-glycoside components classified by principal function.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide certificates of analysis confirming glycoside structure to avoid reclassification under Chapter 30 pharmaceuticals

• Ensure proper labeling as research chemical if not for human consumption to comply with FDA import requirements

• Verify purity levels (>98%) as impurities may affect classification under chapter notes