Nature Throid 1.5 Grain (RLC Labs) – Subpotent Medication (2020)
Class I: A situation in which there is a reasonable probability that the use of, or exposure to, a violative product will cause serious adverse health consequences or death
Class I recall indicates potential for serious health consequences.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Nature Throid, 1.5 Grain (97.5 mg) Thyroid USP [Liothyronine (T3) 13.5 mcg, Levothyroxine (T4) 57 mcg], packaged in a) 30-count bottles (NDC 64727-3305-4), b) 60-count bottles (NDC 64727-3305-5), c) 90-count bottles (NDC 64727-3305-6), and 100-count bottles (NDC 64727-3305-1), Rx only, Manufactured by: RLC Labs Phoenix, AZ 85024, NDC 64727-3305-1
Brand
RLC Labs Inc.
Lot Codes / Batch Numbers
Lot #: 109286, Exp. Date 10/2022
Products Sold
Lot #: 109286, Exp. Date 10/2022
RLC Labs Inc. is recalling Nature Throid, 1.5 Grain (97.5 mg) Thyroid USP [Liothyronine (T3) 13.5 mcg, Levothyroxine (T4) 57 mc due to Subpotent Drug: FDA analysis found product to be subpotent. This is a Class I recall, indicating a high risk of serious health consequences. Based on FDA drug enforcement report.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Subpotent Drug: FDA analysis found product to be subpotent
Recommended Action
Per FDA guidance
Consumers should stop using the product and contact the recalling firm, their healthcare provider, or return it to the place of purchase.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 7, 2026