General Mills announced Friday a voluntary national recall of four flavors of Nature Valley Protein Chewy Bars and Nature Valley Simple Nut Bars.

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The recall is being issued as part of sunflower kernel supplier SunOpta’s ongoing national recall for the potential presence of Listeria.

General Mills has not received any direct consumer reports of confirmed illnesses related to this supplier issue.

The four flavors of Nature Valley bars that are part of the recall were distributed nationwide.

This recall only affects four flavors of Nature Valley’s nearly 40 different products. Nature Valley’s other products are not affected by this recall.

This voluntary recall includes the following products:

Nature Valley Protein Chewy Bar -Honey, Peanut & Almond with Pumpkin Seeds - 5 count, Package UPC: 000-16000-47196

Nature Valley Protein Chewy Bar-Peanut, Almond & Dark Chocolate - 5 count, Package UPC: 000-16000-45724

Nature Valley Simple Nut Bar - Roasted Peanut & Honey - 4 count, Package UPC: 000-16000-46475

Nature Valley Simple Nut Bar - Roasted Peanut & Honey - 16 count, Package UPC: 000-16000-41308

Nature Valley Simple Nut Bar – Almond, Cashew & Sea Salt - 4 count, Package UPC: 000-16000-46474

Nature Valley Simple Nut Bar - Almond, Cashew & Sea Salt - 25 count, Package UPC: 000-16000-41301

For more information on this recall, please visit www.generalmills.com/sunflowerseeds.