Standard International Trade Classification
U.S. imports of Vitamin C and Derivatives, Unmixed (SITC 54114) totaled $16.1M in August 2026, imported from 25 countries.
Importers of Vitamin C and Derivatives, Unmixed paid $45K in duties in August 2026, an average duty rate of 0.28% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataAscorbic acid and its derivatives — including sodium ascorbate, calcium ascorbate, and ascorbyl palmitate — are among the highest-volume single-vitamin commodities in global trade, used in pharmaceuticals, dietary supplements, food fortification, and cosmetics. China accounts for the overwhelming majority of global bulk ascorbic acid production, making this category particularly sensitive to Section 301 tariff measures and supply-chain concentration risk. Purity grade (pharmaceutical versus food versus technical) and physical form (powder, granule, coated) are the key specification variables that determine both classification precision and FDA admissibility pathway. Importers managing cost exposure should monitor Section 301 exclusion proceedings and consider inventory strategies given the concentrated supplier base.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
271 import shipments a month
Global production of bulk ascorbic acid is heavily concentrated in China, meaning that Section 301 tariff changes, export controls, or production disruptions at a small number of Chinese facilities can rapidly affect US availability and pricing. Importers with high-volume needs often maintain safety stock or explore alternative-origin suppliers — though non-Chinese sources represent a small share of global capacity — to manage this concentration risk.
It can. Coated or microencapsulated ascorbic acid designed for specific release profiles may be classified differently from standard powder, depending on whether the coating constitutes a functional modification that shifts the product to a preparation heading. Importers should provide technical data sheets describing the coating composition and functional purpose to support accurate classification.
Basic heading 202 of 465 in section 5
Basic heading 54114 · $16.1M of $27.5B
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Imports · August 2026
origin
China and United Kingdom together supply 81% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$16.1MYoY · free account
Exports
$6.5MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $175.9M of Vitamin C and Derivatives, Unmixed and exported $79.9M.
Through August 2026. Source: U.S. Census Bureau.