Product Information

SYNTHROID 300 MCG TABLET is a brand product labeled by AbbVie Inc., priced at $1.6563 per EA under NDC 00074714919. Its NADAC has been published 665 times since Nov 28, 2013.

FDA first approved this application on Jul 24, 2002. Its Orange Book therapeutic-equivalence code is AB1,AB2 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

SYNTHROID 300 MCG TABLET

Levothyroxine Sodium
$1.6563per EA

Strength

300 ug/1

Manufacturer

AbbVie Inc.

NDC

00074714919

Classification

Brand

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

LEVOTHYROXINE SODIUM

Approval Type

New Drug (NDA)

FDA Application

NDA021402

FDA Approved

7/24/2002

TE Code

AB1,AB2

On Market Since

7/24/2002

Pharmacological Classes

Thyroxine
l-Thyroxine

Price Statistics

The NADAC for SYNTHROID 300 MCG TABLET has been published 665 times since Nov 28, 2013, and over the history we have for it it has risen 42.3%. The table below summarizes its recorded NADAC range and movement.

Current price$1.6563 per EA
All-time high$1.6599 (Jul 15, 2026)
All-time low$1.1296 (Nov 19, 2014)
52-week high$1.6599
52-week low$1.5761
Median price$1.2338
Average price$1.3044
Largest weekly change+5.0% (Jan 10, 2024)
Weeks tracked665
Tracking sinceNov 28, 2013

Price History

1W

+0.0%

1M

-0.2%

3M

-0.1%

6M

-0.0%

1Y

+5.1%

3Y

+14.7%

5Y

+26.4%

All

+42.3%

Generic Alternatives

The matcher finds 4 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 94% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Frequently asked questions

What is the NADAC price of SYNTHROID 300 MCG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for SYNTHROID 300 MCG TABLET, manufactured by AbbVie Inc., is $1.6563 per EA (NDC 00074714919), effective Aug 19, 2026.

How has the price of SYNTHROID 300 MCG TABLET changed over time?

Over the history we have for it, the NADAC for SYNTHROID 300 MCG TABLET has risen 42.3%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.

What are the highest and lowest recorded NADAC prices for SYNTHROID 300 MCG TABLET?

Since Nov 28, 2013, the NADAC for SYNTHROID 300 MCG TABLET has ranged from a low of $1.1296 (Nov 19, 2014) to a high of $1.6599 (Jul 15, 2026), with a median of $1.2338 per EA.

Are there cheaper alternatives to SYNTHROID 300 MCG TABLET?

Yes. 4 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, LEVOTHYROXINE 300 MCG TABLET, is $0.0999 per EA — about 94% below SYNTHROID 300 MCG TABLET.

Who manufactures SYNTHROID 300 MCG TABLET?

SYNTHROID 300 MCG TABLET (NDC 00074714919) is labeled by AbbVie Inc., and CMS classifies it as a brand product.