OMMA Medical Marijuana Recall Expands Across Oklahoma Over Testing Failures

OMMA Medical Marijuana Recall Affects Thousands of Products

A statewide OMMA medical marijuana recall is now in effect, impacting thousands of cannabis products across Oklahoma due to serious safety concerns tied to lab testing.

According to the Oklahoma Medical Marijuana Authority (OMMA), the OMMA medical marijuana recall applies to all products tested by Greenleaf Labs LLC between April 2023 and July 31, 2025.

Testing Failures Drive OMMA Medical Marijuana Recall

Officials say the OMMA medical marijuana recall was triggered after an OMMA official recall notice on Oklahoma.gov confirmed inaccurate testing involving yeast and mold contamination levels in approximately 19,000 samples.

Regulators determined that improper calculations may have allowed potentially contaminated marijuana products to be distributed and sold across the state.

Greenleaf Labs’ license was suspended on August 8, 2025, but officials say the lab failed to properly notify clients or verify that affected products were retested or destroyed.

State Orders Immediate Removal of Products

The OMMA medical marijuana recall now requires dispensaries statewide to immediately remove impacted products from inventory.

State officials confirm all affected items have been marked as “failed” in the Metrc tracking system, Oklahoma’s official seed-to-sale compliance system.

The Oklahoma Bureau of Narcotics and Dangerous Drugs Control is working alongside OMMA to ensure compliance and protect public safety.

Consumers are urged to check product details and contact dispensaries if they believe they may have purchased affected items.

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