Casein Protein Isolate from Mexico
Casein protein isolate is precipitated from skim milk, yielding a slow-digesting protein powder over 90% pure used in micellar formulations for muscle recovery. HTS 3504.00.10.00 covers it as a dairy-derived protein isolate, nesoi, distinct from renneted caseins in other headings. Its application in supplements and cheese production underscores its versatility.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Differentiate from unmodified caseinates with solubility and purity certificates
• Milk protein documentation required; watch for anti-dumping duties on dairy
• Ensure no therapeutic claims to avoid Chapter 30 pharmaceutical scrutiny