BRANMOOR
THURSDAY · 14 MAY 2026

FDA Recall D-1617-2020

RLC Labs Inc. · Phoenix, AZ

Class I — life-threatening Terminated 1170 days on record

Highest impact — Class I recall — FDA determination of strong likelihood of serious adverse health consequence or death.

Product

Nature Throid, 1.25 Grain (81.25 mg) Thyroid USP [Liothyronine (T3) 11.25 mcg, Levothyroxine (T4) 47.5 mcg], 100-count bottles, Rx only, Manufactured by: RLC Labs Phoenix, AZ 85024, NDC 64727-3303-1

Lot / code: Lot #: 109032, Exp. Date 10/2022

Quantity: N/A

Reason for recall

Subpotent Drug: FDA analysis found product to be subpotent

Recall record

Recall number
D-1617-2020
Classification
Class I
Status
Terminated
Voluntary or mandated
Voluntary: Firm initiated
Firm notification
E-Mail
Distribution
Nationwide in the United States
Recall initiated
2020-08-25
Classified by FDA Center
2020-09-24
FDA published
2020-09-23
Terminated
2023-11-08
Recalling firm
RLC Labs Inc.
Firm location
Phoenix, AZ

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