The short version
14 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
Cholestyramine · CHOLESTYRAMINE 4 g/5.7g · Powder, For Suspension · Oral · Macleods Pharmaceuticals Limited
NDC 33342-0319-72 · 42 POUCH in 1 CARTON / 5.7 g in 1 POUCH · ANDA · View full market →
14 companies supply this market — deep enough that no single failure threatens the supply.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
No Medicare Part D plan in CMS's quarterly files lists this product. That usually means it is discontinued, a repackager's listing, or a product no plan has added to its formulary.
How Part D pricing works →No NADAC pricing on file for this NDC — NADAC covers drugs dispensed by retail community pharmacies.
Not scored — fragility is computed for NADAC-priced NDCs.
sole-source market
For scale: the typical drug’s chance is about 0.1% — this one is in ordinary territory.
Backtested statistical model over the whole market, not this package alone. Model details →
Establishments this product's FDA label declares, located via FDA registration data. How we built this →
No FDA shortage reports for this drug or its presentations.
No enforcement reports list this package NDC.
| Labeler | Strength | First seen | Last seen |
|---|---|---|---|
| AiPing Pharmaceutical, Inc. | CHOLESTYRAMINE 4 g/9g | Sep 3, 2026 | Sep 3, 2026 |
| Bryant Ranch Prepack | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 3, 2026 |
| Par Health USA, LLC | CHOLESTYRAMINE 4 g/5g | Jul 15, 2026 | Sep 3, 2026 |
| Par Health USA, LLC | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 3, 2026 |
| Ajanta Pharma USA Inc. | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Macleods Pharmaceuticals Limited | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Macleods Pharmaceuticals Limited | CHOLESTYRAMINE 4 g/5.7g | Jul 15, 2026 | Sep 2, 2026 |
| Micro Labs Limited | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Precision Dose, Inc. | CHOLESTYRAMINE 4 g/4.8g | Jul 15, 2026 | Sep 2, 2026 |
| Precision Dose, Inc. | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Puracap Laboratories Llc Dba Blu Pharmaceuticals | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| TAGI Pharma, Inc. | CHOLESTYRAMINE 4 g/4.8g | Jul 15, 2026 | Sep 2, 2026 |
| TAGI Pharma, Inc. | CHOLESTYRAMINE 4 g/8.3g | Jul 15, 2026 | Sep 2, 2026 |
| Upsher-Smith Laboratories, LLC | CHOLESTYRAMINE 4 g/5.5g | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Lifesciences Limited | CHOLESTYRAMINE 4 g/5.5g | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Lifesciences Limited | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals (USA) Inc. | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Sep 2, 2026 |
| Zydus Pharmaceuticals (USA) Inc. | CHOLESTYRAMINE 4 g/5.5g | Jul 15, 2026 | Sep 2, 2026 |
| Bryant Ranch Prepack | CHOLESTYRAMINE 4 g/5g | Jul 15, 2026 | Aug 29, 2026 |
| Epic Pharma, Llc | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Aug 28, 2026 |
| Endo USA, Inc. | CHOLESTYRAMINE 4 g/5g | Jul 15, 2026 | Aug 19, 2026 |
| Endo USA, Inc. | CHOLESTYRAMINE 4 g/9g | Jul 15, 2026 | Aug 19, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "Cholestyramine — NDC 33342-0319-72," retrieved September 3, 2026, https://drugdashboards.com/drug/33342031972.
Free to cite with attribution — see how the data is put together.