Medically reviewed by Erika Prouty, PharmD Key Takeaways FDA-approved red dye 40 may cause hyperactivity and irritability in children sensitive to it.Children with ADHD might be more affected by red ...

Red Dye 40 is FDA-approved, but it's linked to potential health risks like ADHD in children. Products in the EU with Red Dye 40 must warn about possible behavioral effects in children. You can ...