Preservative And FD&C Yellow #5

FD&C Yellow #5, also known as Tartrazine, is a synthetic yellow dye. It is manufactured from petroleum-based raw materials through chemical synthesis. It does not occur naturally.

Manufacturers add FD&C Yellow #5 to give foods and beverages a bright yellow color. It is commonly found in soft drinks, candies, desserts, breakfast cereals, and some processed foods. Its purpose is purely cosmetic, enhancing the visual appeal of products.

FD&C Yellow #5 is an FDA-approved color additive for use in food, drugs, and cosmetics. Some studies have suggested a link between synthetic food dyes, including Yellow #5, and hyperactivity in some sensitive children, though the evidence is mixed. The FDA requires products containing FD&C Yellow #5 to list it by name on the ingredient label. JECFA has evaluated this additive and set an acceptable daily intake. EFSA has also evaluated it. In April 2025, the FDA announced a plan to phase out petroleum-based synthetic dyes, including Yellow #5.