Lower riskDrug recall · FDA · Published September 17, 2020
PD-Rx Nature-Throid 1 GR Tablets: Sub-potent Risk Due to Manufacturing Issues
PD-Rx Pharmaceuticals recalls Nature-Throid 1 GR (65 mg) tablets due to manufacturing deviations causing potential sub-potent levels. Affected products were repackaged under the same conditions as sub-potent products. No specific remedy is listed in the recall notice.
CGMP deviations; repackaged product was recalled by the manufacturer because it was manufactured under the same conditions as products found to be sub-potent.
Take action
Contact the company
📍Recalling firmPD-Rx Pharmaceuticals, Inc.727 N Ann Arbor Ave · Oklahoma City, OK 73127-5822
✎ GovInfoNow plain-language explainer
PD-Rx Pharmaceuticals is recalling Nature-Throid 1 GR (65 mg) tablets because they were manufactured under conditions that led to sub-potent levels. This means the medication may not contain enough active ingredients to be effective, which could affect treatment outcomes. Read more at govinfonow.com/recall/36771-pd-rx-nature-throid-1-gr-tablets-sub-potent-risk.
“PD-Rx Nature-Throid 1 GR Tablets: Sub-potent Risk Due to Manufacturing Issues.” GovInfoNow, updated October 4, 2026. https://govinfonow.com/recall/36771-pd-rx-nature-throid-1-gr-tablets-sub-potent-risk. Based on FDA recall #D-0005-2021 (https://api.fda.gov/drug/enforcement.json?search=recall_number:%22D-0005-2021%22&limit=1).
PD-Rx Pharmaceuticals, Inc. voluntarily recalled Nature-Throid 1 GR tablets on Sept. 17, 2020, due to current good manufacturing practice deviations that may result in sub-potent product, the FDA said. The company distributed 20 bottles to Arizona and Oklahoma.
How to tell if you have it
Brand: PD-Rx Pharmaceuticals
Product: Nature-Throid 1 GR (65 mg)
NDC: 43063-819-01
Lot #: J18C68
Expiration Date: 10/31/20
Quantity: 100 Tablets per bottle
Distribution: Arizona, Oklahoma
The hazard
The product was repackaged and manufactured under the same conditions as products found to be sub-potent. The recall addresses CGMP deviations related to this manufacturing process.
Context
GovInfoNow's records show PD-Rx Pharmaceuticals, Inc. has had 16 other recalls on record since April 29, 2015. Recent brand-specific actions include a Dec. 4, 2024, recall of DULoxetine 30mg for nitrosamine impurity risk and an April 6, 2023, recall of Glimepiride 4mg for CGMP deviations. Other recent recalls of similar products include Major Pharmaceuticals Levothyroxine Tablets Recall (July 13, 2026), Specialty Process Labs Thyroid Product Recall (Jan. 16, 2026), and Macleods Levothyroxine Tablets Recall (Feb. 26, 2026).
How to tell if you have this one
Check for the product name 'Nature-Throid 1 GR (65 mg)' on the label. The package contains 100 tablets and has the lot number J18C68 with an expiration date of 10/31/2020.
Brand
PD-Rx Pharmaceuticals
Category
Drug
Based on the official FDA remedy
What to do — step by step
Check Medication Label
Look for the product name 'Nature-Throid 1 GR (65 mg)' on the label and the lot number J18C68 with expiration date 10/31/2020.
Where it went and when
Where it was distributed
Distributed in Arizona and Oklahoma.
Listed by the agency
Not listed
FDA distribution: “AZ, OK” States read from FDA’s own wording; “not listed” means the notice does not name it.
States: Arizona, Oklahoma.
Recall timeline
FDA terminated this recall 14 months after the firm started it.
1Firm started the recall
2FDA classified it Class II
3Published in FDA’s Enforcement Report
4FDA terminated the recall
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Official source: FDA Recall #D-0005-2021 (September 17, 2020) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for D-0005-2021 to see it in context.
Plain-language summary written by qwen3:4b on October 4, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.