Vitamin B2 (Riboflavin) and its derivatives (HS 293623)
Vitamin B2 (Riboflavin) and its derivatives (HS 293623) has 1,311 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Vitamin B2 (Riboflavin) and its derivatives is BLUEOVAL SK LLC, with 359 shipments, followed by IRONRIDGE INC and TOYOND INC. The leading supplier is SFA ENGINEERING CORP, with 364 shipments, followed by TOCHE SUZHOU PRECISION MECHANICAL and HUBEI GUANGJI PHARMACEUTICAL CO LT. Goods originate mainly from CHINA and REPUBLIC OF KOREA, arriving primarily at CHARLESTON, SC. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/293623-vitamin-b2-riboflavin-and-its-derivatives
See all 1,311 shipments of HS 293623 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Vitamin B2 (Riboflavin) and its derivatives (HS 293623), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SFA ENGINEERING CORP → BLUEOVAL SK LLC with 350 shipments, followed by TOCHE SUZHOU PRECISION MECHANICAL → IRONRIDGE INC (104) and CARGILL ANIMAL NUTRITION → PROVIMI NORTH AMERICA INC (39).
Top U.S. importers
| Importer | Shipments |
|---|---|
| BLUEOVAL SK LLC | 359 |
| IRONRIDGE INC | 118 |
| TOYOND INC | 61 |
| PROVIMI NORTH AMERICA INC | 52 |
| ACEBRIGHT INC | 29 |
| SUMITOMO ELECTRIC INTERCONNECT PRODUCTS INC | 21 |
| CONTINENTAL AUTOMOTIVE SYSTEMS INC | 18 |
| TR NUTRITIONALS | 18 |
| NEDEC AMERICA CORP | 16 |
| AGY ENDO CORP | 11 |
Top suppliers
| Supplier | Shipments |
|---|---|
| SFA ENGINEERING CORP | 364 |
| TOCHE SUZHOU PRECISION MECHANICAL | 106 |
| HUBEI GUANGJI PHARMACEUTICAL CO LT | 46 |
| CARGILL ANIMAL NUTRITION | 40 |
| HANGZHOU TOYOND BIOTECH CO LTD | 39 |
| SUMITOMO ELECTRIC FINE POLYMER SUZHOU LTD | 37 |
| GUANGJI PHARMACEUTICAL MENGZHOU C | 22 |
| MODERN METAL & REFINING LIMITED | 16 |
| GUANGJI PHARMACEUTICAL MENGZHOU CO | 15 |
| CONTINENTAL AUTOMOTIVE SYSTEMS SHA | 14 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 700 |
| REPUBLIC OF KOREA | 420 |
| BELGIUM | 26 |
| GERMANY | 20 |
| N/A | 20 |
| HONG KONG | 15 |
| INDIA | 12 |
| VENEZUELA | 11 |
| JAPAN | 9 |
| FRANCE | 7 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| CHARLESTON, SC | 393 |
| LONG BEACH, CA | 229 |
| LOS ANGELES, CA | 210 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 184 |
| OAKLAND, CA | 96 |
| SEATTLE, WA | 40 |
| TACOMA, WA | 39 |
| SAVANNAH, GA | 33 |
| NORFOLK, VA | 19 |
| MIAMI, FL | 16 |
Harmonized System classification
HS code 293623 — Vitamin B2 (Riboflavin) and its derivatives. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
More products under HS 2936
Other six-digit codes in HS 2936: 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, with their U.S. import volume.
Frequently asked questions about importing Vitamin B2 (Riboflavin) and its derivatives
Who imports Vitamin B2 (Riboflavin) and its derivatives (HS 293623)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Vitamin B2 (Riboflavin) and its derivatives include BLUEOVAL SK LLC, IRONRIDGE INC, TOYOND INC, PROVIMI NORTH AMERICA INC, and ACEBRIGHT INC.
Who is the largest U.S. importer of Vitamin B2 (Riboflavin) and its derivatives?
BLUEOVAL SK LLC is the largest U.S. importer of Vitamin B2 (Riboflavin) and its derivatives (HS 293623), with 359 bill-of-lading shipment records.
Who are the top suppliers of Vitamin B2 (Riboflavin) and its derivatives?
Leading suppliers shipping Vitamin B2 (Riboflavin) and its derivatives (HS 293623) to the U.S. include SFA ENGINEERING CORP, TOCHE SUZHOU PRECISION MECHANICAL, HUBEI GUANGJI PHARMACEUTICAL CO LT, CARGILL ANIMAL NUTRITION, and HANGZHOU TOYOND BIOTECH CO LTD.
How many U.S. shipments of Vitamin B2 (Riboflavin) and its derivatives are there?
ImportDoor has 1,311 U.S. import shipment records under HS code 293623, spanning Jan 2020 to Aug 2026.
Where is Vitamin B2 (Riboflavin) and its derivatives imported from?
Vitamin B2 (Riboflavin) and its derivatives is imported into the U.S. primarily from CHINA, REPUBLIC OF KOREA, and BELGIUM.
Find Vitamin B2 (Riboflavin) and its derivatives importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 293623, with contact details and container-level shipment records on ImportDoor.
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