
The presence of a prescription‑only drug in counterfeit supplements poses serious health risks and highlights vulnerabilities in supply‑chain oversight, prompting tighter industry safeguards.
The discovery of tadalafil—a prescription medication for erectile dysfunction—in counterfeit Green Lumber supplements underscores a growing threat of adulterated health products entering the market. FDA laboratory analysis identified the undeclared drug, prompting Green Lumber to issue a rapid consumer alert. Such incidents erode public trust and can lead to severe adverse events, especially when the hidden ingredient interacts with cardiovascular medications. By publicly detailing the lot number discrepancy, the company aims to empower consumers to differentiate genuine products from fakes.
Supply‑chain integrity has become a focal point for manufacturers after internal investigations revealed that a single employee misused legitimate packaging and customer data to distribute counterfeit goods. This breach illustrates how insider threats can bypass traditional quality controls, forcing firms to adopt multi‑layered authentication methods, such as serialized lot numbers and tamper‑evident seals. Industry analysts note that the incident may accelerate adoption of blockchain‑based traceability solutions, which provide immutable records of product provenance and can quickly flag anomalies before they reach consumers.
For consumers, the immediate priority is to verify the lot number LOTGLU13101b1EXP0926 on blister packs and discontinue any product lacking this identifier. Reporting suspected counterfeits to Green Lumber and the FDA’s MedWatch program helps authorities track distribution networks and prevent further exposure. Looking ahead, Green Lumber’s commitment to enhanced safeguards and cooperation with regulators signals a proactive stance that could restore confidence and set a benchmark for other supplement manufacturers confronting similar counterfeit challenges.
Company Announcement August 28, 2025 · FDA Publish August 29, 2025
Product Type: Drugs
Reason for Announcement: Recall – Undeclared prescription drug (Tadalafil)
Costa Mesa, California – August 28, 2025 – Green Lumber Holding, LLC (“Green Lumber”) is alerting consumers that counterfeit products misrepresented as genuine Green Lumber have been identified and may pose health risks.
This alert follows testing by the U.S. Food and Drug Administration (FDA), which detected tadalafil, an undeclared prescription drug, in products labeled as Green Lumber. Tadalafil is not an ingredient in any authentic Green Lumber product. Based on the FDA’s findings, Green Lumber conducted its own internal investigation and determined that a company employee diverted legitimate packaging and customer information to distribute counterfeit, adulterated product. That employee has since been terminated.
Consumers should verify product authenticity by checking packaging details:
Authentic Green Lumber blister packs display Lot Number: LOTGLU13101b1EXP0926.
Counterfeit products do not show this lot number.
Packaging differences are illustrated in the image below, which compares genuine and counterfeit blister packs (authentic on left, counterfeit on right).
The counterfeit versions may contain undeclared tadalafil. Because tadalafil is a prescription‑only medication, individuals who take nitrates or certain prescription drugs for heart disease, blood pressure, or other conditions may be at risk of life‑threatening side effects such as dangerously low blood pressure or other serious adverse events.
Check your packaging: Confirm that your blister packs show Lot Number LOTGLU13101b1EXP0926.
Immediately discontinue use of any product not bearing this lot number.
Report suspected counterfeit product directly to Green Lumber at the contact information below and to the FDA’s MedWatch Adverse Event Reporting Program.
Seek medical care promptly if you experience unexpected side effects after using the mislabeled product.
“Consumer safety is our number one priority,” said Brett Hales, President. “We acted swiftly after FDA’s testing identified tadalafil in a product labeled as ours. Our investigation revealed that an employee had been diverting our packaging and customer channels to sell counterfeit goods. That individual has been terminated, and we have strengthened our safeguards to protect customers and ensure this does not happen again.”
Green Lumber is working cooperatively with the FDA and law enforcement to address this matter and protect consumers.
Green Lumber Holding, LLC
Phone: 949‑426‑8622
Email: consumer‑[email protected]
Website: www.greenlumber.com/alert
External Link Disclaimer
Link to Updated Press Release: https://www.fda.gov/safety/recalls-market-withdrawals-safety-alerts/updated-company-announcement-august-28-2025-recall-announcement
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