Food Dyes Are Officially Banned in California Public Schools, but How Harmful Are They? An RD Weighs In
The law is known as the California School Food Safety Act, and it prohibits California public schools from providing foods or drinks that contain red dye No. 40, yellow dyes Nos. 5 and 6, blue dyes Nos. 1 and 2, and green dye No. 3. The new law will go into effect on December 31, 2027.