Product Information
LEVOTHYROXINE 100 MCG TABLET is a generic product labeled by NorthStar Rx LLC, priced at $0.0497 per EA under NDC 72603066401. Its NADAC has been published 66 times since Jul 2, 2025.
FDA first approved this application on Dec 21, 2022. Its Orange Book therapeutic-equivalence code is AB1,AB2,AB3,AB4 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
100 ug/1
Manufacturer
NorthStar Rx LLCNDC
72603066401
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
LEVOTHYROXINE SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA211417FDA Approved
12/21/2022
TE Code
AB1,AB2,AB3,AB4
On Market Since
4/8/2025
Pharmacological Classes
Price Statistics
The NADAC for LEVOTHYROXINE 100 MCG TABLET has been published 66 times since Jul 2, 2025, and over the history we have for it it has declined 11.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0497 per EA |
|---|---|
| All-time high | $0.0580 (Dec 10, 2025) |
| All-time low | $0.0497 (Sep 23, 2026) |
| 52-week high | $0.0580 |
| 52-week low | $0.0497 |
| Median price | $0.0537 |
| Average price | $0.0538 |
| Largest weekly change | -4.4% (Feb 18, 2026) |
| Weeks tracked | 66 |
| Tracking since | Jul 2, 2025 |
Generic Alternatives
The matcher finds 2 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
NorthStar Rx LLC manufacturer profile
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Drug market
LEVOTHYROXINE SODIUM market comparison
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Therapeutic class
l-Thyroxine class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of LEVOTHYROXINE 100 MCG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for LEVOTHYROXINE 100 MCG TABLET, manufactured by NorthStar Rx LLC, is $0.0497 per EA (NDC 72603066401), effective Sep 30, 2026.
How has the price of LEVOTHYROXINE 100 MCG TABLET changed over time?
Over the history we have for it, the NADAC for LEVOTHYROXINE 100 MCG TABLET has declined 11.4%. It has been tracked across 66 weekly CMS publications since Jul 2, 2025.
What are the highest and lowest recorded NADAC prices for LEVOTHYROXINE 100 MCG TABLET?
Since Jul 2, 2025, the NADAC for LEVOTHYROXINE 100 MCG TABLET has ranged from a low of $0.0497 (Sep 23, 2026) to a high of $0.0580 (Dec 10, 2025), with a median of $0.0537 per EA.
Are there cheaper alternatives to LEVOTHYROXINE 100 MCG TABLET?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as LEVOTHYROXINE 100 MCG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures LEVOTHYROXINE 100 MCG TABLET?
LEVOTHYROXINE 100 MCG TABLET (NDC 72603066401) is labeled by NorthStar Rx LLC, and CMS classifies it as a generic product.