Kirkland Signature Vitamin B2 100mg from Mexico
Costco branded 100mg riboflavin tablets synthesized wholly from aromatic industrial compounds for retail therapeutic sale against deficiencies. HTS 3004.50.10.00 for measured dose packaging.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Leverage brand authorization letters for authenticity in customs
• Large bottle counts still qualify if individually measured doses
• Monitor for over-the-limit personal imports triggering commercial entry