Gaviscon Extra Strength Antacid Chewable Tablets from Japan
Gaviscon Extra Strength chewables form a protective raft on stomach contents using alginic acid, sodium bicarbonate, and calcium carbonate to prevent acid reflux. Retail-packaged in measured doses, classified as antacids under HTS 3004.90.92.53.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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
• Document alginic acid source (seaweed extract) with certificates to confirm non-GMO status if required
• Validate raft-forming efficacy through dissolution testing for regulatory approval
• Avoid bulk import without retail packing to maintain medicament classification