For so many parents, frozen shrimp is a weeknight lifesaver—quick to cook, affordable, and something kids will actually eat without a fight. But this week, Walmart pulled certain shrimp from its shelves in 13 states after the FDA raised concerns about potential radioactive contamination.

Southwind Foods said it is "voluntarily recalling a limited quantity of frozen shrimp" due to the possible contamination with Cesium-137, a radioactive isotope.

The FDA advises consumers not to eat certain shrimp products from Walmart over possible radioactive contamination. What to know about the recall.