Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Class II · Moderate risk Ongoing Initiated Jan 16, 2026 (9 months ago)

Thyroid

Class II — Moderate risk. May cause temporary or reversible harm; serious harm unlikely.

Why it was recalled

Subpotent Drug

Cause type: Wrong potency / content

Sub- or super-potent product, or a failed content-uniformity / assay test. You may receive too little or too much active ingredient - a direct dosing risk. All wrong potency / content recalls.

What was recalled

Thyroid, USP, Rx only, Net Wt: 0.50kg, For Manufacturing, Processing or Repackaging Use Only, Specialty Process Labs, Phoenix, AZ 85034, NDC 81305-100-02

Affected NDC 81305-0100-02

Compare with the code on your package — it is the most precise check available.

Drug: Thyroid Category: Thyroid Medication

Recalling firm
Specialty Process Labs LLC
NDC code
81305-100-02
Origin
AZ, United States
Initiated by
Voluntary: Firm initiated
FDA recall number
D-0294-2026 · FDA notice

Check, then ask. Class II means harm is possible but usually temporary or reversible. Find the lot number on your package; if it matches, ask your pharmacist about a replacement. Do not simply stop a prescribed medication on your own - the gap can be riskier than the recall.

Other Thyroid recalls

See all
Class II · Moderate risk

S.P Labs

Failed Stability Specifications

Completed Stability / shelf life Specialty Process Labs LLC D-0447-2024
Class II · Moderate risk

S.P.Labs

Failed Stability Specifications

Completed Stability / shelf life Specialty Process Labs LLC NDC 81305-500-01 D-0446-2024
Class II · Moderate risk

Armour Thyroid

CGMP Deviations: Products were exposed to temperatures outside of the products labeled storage conditions.

Terminated Temperature excursion Cardinal Healthcare D-0168-2024

Other recalls by Specialty Process Labs LLC

All 2026 recalls
Class II · Moderate risk

S.P Labs

Failed Stability Specifications

Completed Stability / shelf life Specialty Process Labs LLC D-0447-2024
Class II · Moderate risk

S.P.Labs

Failed Stability Specifications

Completed Stability / shelf life Specialty Process Labs LLC NDC 81305-500-01 D-0446-2024