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Vitamin B2 400mg Capsules from Mexico

High-potency 400mg riboflavin capsules for migraine prevention, synthesized partly from modified aromatic compounds, in measured doses for retail sale. Classified under HTS 3004.50.10.00 due to its single-ingredient therapeutic formulation in consumer packs.

Duty Rate — Mexico → 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

Provide documentation proving aromatic synthesis origin to avoid reclassification to other vitamin subheadings

Comply with FDA supplement facts panel but highlight prophylactic claims for Chapter 30 eligibility

Watch for common pitfalls like insufficient dose metering leading to bulk chemical classification