CHICAGO — Multiple dog food brands have been recalled due to possible high levels of a by-product that can be harmful to pets if consumed in large quantities.

According to a release, Sunshine Mills, Inc.

issued a voluntary recall of some dog food under the brands Triumph, Evolve, Wild Harvest, Nurture Farms, Pure Being and Elm.

The food may contain potentially high levels of aflatoxin, a naturally occurring by-product from the mold Aspergillus flavus that can grow on pet food ingredients such as corn, peanuts and other grains, according to the Food and Drug Administration.

The affected products were distributed in retail stores nationally.

If any pets show symptoms of illness after consuming the recalled products, they should be seen immediately by a veterinarian.

Anyone who purchased the recalled products should stop using them and may return the unused portion to the place of purchase for a full refund.