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U.S. imports of vitamin c (ascorbic acid) and its derivatives (HS 293627) totaled $14.5M in July 2026, traded with 24 countries.
Importers of Vitamin C (Ascorbic Acid) and Its Derivatives paid $25K in duties in July 2026 — an effective duty rate of 6.8% on $371K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataAscorbic acid and its derivatives — including sodium ascorbate and ascorbyl palmitate — serve as both pharmaceutical actives and food-grade antioxidants, entering the US under tariff line 2936270000. Imports of bulk Vitamin C have historically been subject to Section 301 tariffs when originating from China, which has long dominated global production capacity. FDA oversight applies at entry, with grade and intended use (food additive, drug substance, or supplement ingredient) determining the applicable compliance pathway.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
237 shipments/mo
China accounts for the overwhelming majority of global bulk ascorbic acid production, and imports from China are subject to Section 301 tariffs. Importers sourcing from other origins should maintain robust documentation of manufacturing origin — not just the country of export — to substantiate origin claims and avoid misclassification.
Yes — both enter under 2936270000. However, the FDA regulatory pathway differs: food-additive use requires compliance with GRAS or food additive regulations, while dietary supplement use triggers supplement cGMP requirements. Importers should ensure labeling and documentation reflect the correct intended use before entry.
HSChapter 29
Subheading 3 of 10 in heading 2936
Subheading 293627 · $14.5M of $109.2M
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2936270000 | Vitamin C (Ascorbic Acid) and Its Derivatives | $14.5M | 0.17% | 2.56% | $25K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2936270000 | Vitamin C (Ascorbic Acid) and Its Derivatives | $6.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$14.5MYoY · Pro
Exports
$6.7MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and United Kingdom together supply 86% of it.
customs district
destination
entry
rate provision · imports
97.4% enters free of duty; the effective duty rate is 0.17%.