The Michigan Departments of Agriculture and Rural Development (MDARD) and Health and Human Services (MDHHS) are encouraging consumers to check their freezers for recalled shrimp products, according to an MDHHS press release

MDHHS explains there is an ongoing federal investigation regarding the recalled shrimp products because they may contain Cesium-137 (Cs-137), a human-made radioactive substance.

According to MDHHS, regularly eating food contaminated with Cs-137 increases your risk of cancer. Long-term exposure to low doses of Cs-137 damages the DNA within the cells of the body.

“Consumers are advised not to eat or serve the recalled shrimp, and should dispose of it, or return it to the place of purchase for a full refund,” the release states.

MDHHS references the FDA’s conclusion in the release, stating that no product testing positive for Cs-137 has entered the U.S. marketplace.

“However, there is a risk that untested shrimp contaminated with Cs-137 may have been sold in stores,” the release states. “There are currently no reported illnesses.”

According to MDHHS, the recalled shrimp products were distributed to Walmart, Kroger, Kroger affiliate stores, and may have been sold in the state.

“Please be advised that only certain lot codes are affected by this recall,” the release states. Those wishing to verify which lot codes are impacted should visit accessdata.fda.gov and fda.gov/safety/recalls-market-withdrawals-safety-alerts.