 Mycotoxins are naturally occurring chemical compounds produced by certain fungi that can be present in food and feed products. These compounds can cause serious health problems when consumed in high enough quantities. In some cases, multiple mycotoxins may be present together in one food or feed sample, which can lead to increased risk of illness. Research has shown that these mycotoxin mixtures can have different effects than individual mycotoxins alone, such as antagonistic, additive, or synergistic effects. This article was authored by Marie Caroline Smith, Stephanie Matic, Emmanuel Cotin, and others.