Casein Protein Powder from China
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.
Duty Rate — China → United States
21.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• 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