Microencapsulated Riboflavin from China
Riboflavin microencapsulated for controlled release in supplements, principal compound remains Vitamin B2 under HTS 2936.23.00.00. Encapsulation considered stabilizer per Chapter 29 note (f) if not rendering specific use.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Prove encapsulation is preservation/transport aid; matrix composition analysis; risk of Chapter 38 if coating alters use profile