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A popular thyroid medicine has been recalled over concerns about its potency.
Vitruvias Therapeutics Inc. has recalled one lot of its 30 mg thyroid tablets, according to a recall notice published by the U.S. Food and Drug Administration on Aug. 24.
The affected products include thousands of units distributed nationwide from January to September 2025 with an expiration date in September 2026, according to the notice.
The recall was initiated after testing confirmed that the product could be superpotent, or stronger than intended, which could cause adverse health effects, per the notice.
Here’s what to know.
Which thyroid medicine was recalled?
A certain lot of Vitruvias Therapeutics’ 30 mg thyroid tablets have been recalled.
The affected products – labeled “Thyroid Tablets, USP” have an expiration date of Sept. 30, 2026, and were distributed nationwide between Jan. 31-Sept. 30, 2025.
Of the 3,600 units released, about 1,900 were sold from the batch, according to the notice.
They can be identified by the National Drug Code number 69680-166-00 or lot number 504950.
Why were thyroid tablets recalled?
The thyroid tablets were recalled because testing confirmed they could potentially be superpotent, or stronger than intended.
Consuming superpotent thyroid tablets can cause an overactive thyroid and issues like weight loss, heat intolerance, fatigue and hypertension, according to the notice.
Vitruvias Therapeutics has not received any reports of adverse events tied to this recall, the FDA notice said.
What to do if you have the recalled thyroid medicine
Anyone who is currently taking the recalled tablets should not stop without contacting their health care provider for further guidance, according to the FDA notice.
Consumers with questions can contact Vitruvias Therapeutics, Inc. by email at safety@vitruvias.com or by phone at 256-239-9373.
Melina Khan is a national trending reporter for USA TODAY. Keep up with her on X @melinakh and Instagram @bymelinakhan.