US Import Duty
HTS 2936.29.16 Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent › Other vitamins and their derivatives › Niacin and niacinamide
HTS code 2936.29.16 covers "Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent › Other vitamins and their derivatives › Niacin and niacinamide" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.
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U.S. exports of Provitamins and vitamins, natural or reproduced by synthesis
The United States exported $1.1 billion of goods under HS heading 2936 in 2025, to 148 countries and territories. Top destination markets:
| Country | Exports 2025 | YTD |
|---|---|---|
| China | $250 million | ▼ −34% |
| Canada | $192 million | ▼ −3.2% |
| South Korea | $51.3 million | ▼ −65% |
| United Kingdom | $43.4 million | ▼ −32% |
| Taiwan | $30.9 million | ▼ −16% |
January–July 2026: $547 million (▼ −16%)
All markets and states for this product →
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. Source: U.S. Census Bureau, International Trade data (census.gov/foreign-trade), FAS value in current U.S. dollars, latest month July 2026. Change vs the same months of the previous year: Fromerica calculation.
Official US tariff data (USITC), refreshed daily.Last checked against the official schedule: . See recent US tariff changes →