Does Annatto Contain Soy?

Annatto isn't currently classified as a tree nut, so food manufacturers are not required to put a nut warning label on foods that contain annatto. They are, however, required to list annatto in the ingredient list.

What is annatto made of?

Annatto is an orange-red food coloring or condiment made from the seeds of the achiote tree (Bixa orellana), which grows in tropical regions in South and Central America ( 1 ).

Can annatto cause anaphylaxis?

Annatto dye may contain contaminating or residual seed proteins to which our patient developed IgE hypersensitivity. Annatto dye is a potential rare cause of anaphylaxis.