The short version
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.
LEVOTHYROXINE and LIOTHYRONINE · LEVOTHYROXINE 76 ug/1; LIOTHYRONINE 18 ug/1 · Tablet · Oral · Genus Lifesciences
NDC 64950-0174-01 · 100 TABLET in 1 BOTTLE · UNAPPROVED DRUG OTHER · View full market →
Just 2 companies supply this market — thin enough that a single exit would be felt immediately.
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 |
|---|---|---|---|
| Genus Lifesciences | LEVOTHYROXINE 114 ug/1; LIOTHYRONINE 27 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 19 ug/1; LIOTHYRONINE 4.5 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 28.5 ug/1; LIOTHYRONINE 6.75 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 38 ug/1; LIOTHYRONINE 9 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 47.5 ug/1; LIOTHYRONINE 11.25 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 57 ug/1; LIOTHYRONINE 13.5 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 76 ug/1; LIOTHYRONINE 18 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Genus Lifesciences | LEVOTHYROXINE 9.5 ug/1; LIOTHYRONINE 2.25 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 9.5 ug/1; LIOTHYRONINE 2.25 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 114 ug/1; LIOTHYRONINE 27 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 47.5 ug/1; LIOTHYRONINE 11.25 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 19 ug/1; LIOTHYRONINE 4.5 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 76 ug/1; LIOTHYRONINE 18 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 28.5 ug/1; LIOTHYRONINE 6.75 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 57 ug/1; LIOTHYRONINE 13.5 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
| Trifluent Pharma, LLC | LEVOTHYROXINE 38 ug/1; LIOTHYRONINE 9 ug/1 | Jul 15, 2026 | Sep 2, 2026 |
Roster from daily NDC Directory diffs — first/last seen dates start July 2026.
DrugDashboards, "RenThyroid — NDC 64950-0174-01," retrieved September 3, 2026, https://drugdashboards.com/drug/64950017401.
Free to cite with attribution — see how the data is put together.