Soy Protein Isolate
Highly refined soy protein extract with at least 90% protein content, used in food manufacturing and supplements. Falls under HTS 3504.00.50.80 as other protein substances and derivatives, nesoi, from vegetable sources.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4% | +20.0% | 24% |
| 🇲🇽Mexico | 4% | +10.0% | 14% |
| 🇨🇦Canada | 4% | +60.0% | 64% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If denatured or used primarily as soy grits/flour for animal feed
Denatured soy proteins for feed purposes move to Chapter 23 as soy residues.
If sold as a flavored nutritional supplement for direct consumption
Retail-oriented protein blends are treated as other food preparations.
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 GMO status documentation and protein solubility specs to support 3504 classification
• Avoid packaging as retail-ready shakes to prevent shift to Chapter 21 food products
• Ensure no enzymatic additives that could classify under heading 3507
Related Products under HTS 3504.00.50.80
Casein Protein Powder
Micellar casein derived from milk proteins, processed into a powder form for use as a nutritional supplement. Classified under HTS 3504.00.50.80 as a protein substance and its derivatives, nesoi, excluding those covered by other specific headings in Chapter 35.
Whey Protein Concentrate 80%
Whey protein concentrate standardized to 80% protein, derived from cheese production byproducts for sports nutrition. Classified in HTS 3504.00.50.80 as other protein derivatives, excluding specific isolates.
Pea Protein Isolate
Yellow pea-derived protein isolate with high digestibility, used in vegan supplements and meat alternatives. HTS 3504.00.50.80 covers this as nesoi vegetable protein substances and derivatives.
Collagen Hydrolysate Powder
Bovine or marine collagen peptides produced through enzymatic hydrolysis for joint health supplements. Classified under HTS 3504.00.50.80 as other protein derivatives, nesoi.
Rice Protein Powder
Hypoallergenic protein extracted from brown rice, containing 70-80% protein for allergen-free nutrition. HTS 3504.00.50.80 as other vegetable protein substances, nesoi.
Hemp Seed Protein Powder
Protein concentrate from defatted hemp seeds, rich in essential amino acids for plant-based diets. Classified HTS 3504.00.50.80 as nesoi protein derivatives from seeds.