Updated

General Mills issued a voluntary recall for four flavors of its Nature Valley Protein Chewy Bars and Nature Valley Simple Nut Bars over possible Listeria monocytogenes contamination. The recall is part of sunflower kernel supplier SunOpta’s ongoing national recall, Fox6Now.com reported.

The flavors affected by the recall are Honey and Almond with Pumpkin Seeds; Peanut, Almond and Dark Chocolate; Roasted Peanut and Honey and Almond, Cashew and 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.

“We know this is inconvenient for consumers who love these four flavors,” said Anton Vincent, president of General Mills Snacks Division, according to Fox6Now.com. “We promise they will return as soon as it is safe to do so.”

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The full list of Nature Valley products affected includes:

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

According to the FDA, Listeria exposure usually causes mild symptoms in healthy individuals, but infection can lead to serious illness in people who are young, elderly or immunosuppressed.