INDIANAPOLIS, Ind. (WXIN) – Clif Bar is recalling three varieties of their bars sold nationwide. The recall stems from concerns about possible listeria contamination, though no illnesses have been directly linked to the products.

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Clif Bar voluntarily issued the recall after they learned their ingredient supplier SunOpta distributed sunflower kernels that may be contaminated with Listeria monocytogenes.

See images of the recalled items:



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The following flavors are affected by the recall:

CLIF BAR® Nuts & Seeds energy bar all pack configurations with "best by" date ranges starting 08JUN16 through 21JAN17

CLIF BAR® Sierra Trail Mix energy bar all pack configurations with "best by" date ranges starting 05JUN16 through 24MAR17

CLIF® Mojo® Mountain Mix® trail mix bar all pack configurations with "best by" date ranges starting 16JUN16 through 02FEB17

Listeria can sometimes cause a serious infection that affects the gastrointestinal tract. The infection can cause short-term problems such as a high fever, abdominal pain and diarrhea, headaches, stiffness and nausea.

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Listeria can be particularly dangerous for pregnant women, elderly, children and anyone with a weak immune system. Some infections can cause death.

The CDC estimates there are 1,600 illnesses and 260 U.S. deaths per year due to listeriosis infections.

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