Related: Should I Avoid Certain Medications If I Have Food Allergies? Is There a Test for Red Dye 40 Allergy? There are no tests to diagnose a food dye allergy. If you think you might be reacting ...
While the artificial food dyes Red Dye No. 3 and Red Dye No. 40 (commonly known as Red 40 ... over its potential safety risks, including allergies and possible links to behavioral issues in ...