Yellow #5 Is an Endocrine Disruptor, Study Confirms

Tartrazine (Yellow #5) officially qualifies as an endocrine disruptor. A study using international testing frameworks confirmed it interferes with your hormonal system.

What the Study Found

A 2026 study using OECD frameworks and adverse outcome pathways confirmed the endocrine disrupting activity of tartrazine. The food dye interferes with hormonal signaling through documented adverse outcome pathways.

Endocrine disruptors don't need to be industrial chemicals. They can be food additives you eat three times a day. Tartrazine is in candies, cereals, drinks, snacks, and condiments consumed by millions of children daily.

What You Can Do

Check labels for tartrazine, Yellow #5, or E102. Choose natural food coloring. Avoid brightly colored processed foods.

Browse our non-toxic kitchen alternatives for cleaner food options.

Also see glass food containers for safer alternatives.

Source: Tartrazine Endocrine Disruption Study (2026).