Casein Protein Powder
Casein is a milk-derived protein substance processed into powder form for use in nutritional supplements and food manufacturing. It falls under HTS 3504.00.50 as a protein substance and its derivative, nesoi, not specified elsewhere in the tariff schedule. This classification applies to its role as a functional ingredient rather than a finished food product.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unprocessed milk protein concentrate
Undenatured whey or milk proteins without further derivation fall under dairy preparations in Chapter 04.
If in measured doses for retail therapeutic use
Protein supplements prepared as medicaments or retail-ready doses are classified in Chapter 35 heading 3502.
If blended into finished food supplements
When mixed with other ingredients as complete food preparations, it moves to Chapter 21 food products.
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
• Verify protein origin and processing method with certificates of analysis to confirm classification under peptones/derivatives
• Ensure compliance with FDA food safety standards and provide detailed composition labeling to avoid reclassification
Related Products under HTS 3504.00.50
Egg White Protein Isolate
Egg white protein isolate (ovalbumin) purified from egg whites for baking and supplements. HTS 3504.00.50 as animal protein derivative nesoi, >90% pure. Replaces whole egg powder.
Keratin Protein Powder
Keratin protein powder hydrolyzed from feathers or hooves for hair/skin cosmetics and feeds. HTS 3504.00.50 covers this structural protein derivative nesoi. Industrial use in beauty formulations.
Mycoprotein Powder
Mycoprotein powder from fermented fungi (mycelium) protein for meat substitutes like Quorn. Classified HTS 3504.00.50 as other protein nesoi, fermentation-derived. High fiber-protein blend.
Rice Protein Powder
Rice protein powder is extracted and mildly hydrolyzed rice endosperm protein for gluten-free nutrition. HTS 3504.00.50 as other protein substance nesoi, separate from rice starches. Used in baking and hypoallergenic formulas.
Hemp Seed Protein Isolate
Hemp seed protein isolate extracted from hemp seeds, containing edestin protein for plant-based nutrition. Falls under HTS 3504.00.50 as protein substance nesoi post-extraction. THC-free for food/supplement use.
Soy Protein Isolate
Soy protein isolate is a highly refined protein substance extracted from soybeans, used in meat alternatives and nutrition bars. Classified under HTS 3504.00.50 as other protein substances nesoi, distinct from starches or enzymes. Its isolation process qualifies it as a derivative for industrial food applications.