General Mills has announced a voluntary recall of 4 types of it's Nature Valley Protein Chewy Bars and Nature Valley Simple Nut Bars.

They are concerned about a possible Listeria contamination.

The flavors affected are:

  • Honey & Almond with Pumpkin Seeds
  • Peanut, Almond & Dark Chocolate
  • Roasted Peanut, Honey, & Almond
  • Cashew & Sea Salt

General Mills said it has not received any complaints of illness related to the recall, but consumers are being encouraged to throw away the products.