Is food coloring really bad for your health?

Artificial Colors. Artificial Food dies may be potentially hazardous to your health. There are concerns about the following dye colors: Blue Die #1 (Brilliant Blue), Blue Die #2- Indigo Carmine, Citrus Red #2, Green #3 (Fast Green), Red #40 (Allura Red), Red #3 (Erythrosine), Yellow #5 (Tartrazine), Yellow #6 (Sunset Yellow),