Official Results
Yes votes:
6,088,713 (48.6%)
No votes:
6,442,370 (51.4%)

Prop. 37 would require labeling of any raw or processed food that is made from plants or animals which have had their genetic material altered. The measure would prohibit marketing genetically engineered food as "natural". Certain foods are exempted.

For more information on this proposition, including voter resources, in-depth analysis, and endorsements, please see the California Choices web site.


Proponents of Prop. 37 believe that the measure will better inform consumers on what ingredients are in food products. They say the measure will help consumers identify health risks and allergies that may exist with certain ingredients. They also claim that Prop. 37 will bring California into line with industrialized countries around the world that have labeling laws.


Opponents of Prop. 37 say that the measure will introduce greater government bureaucracy while raising taxpayer costs and increasing food costs. They claim that the measure will open the door to frivolous lawsuits. They also say that many respected scientific and medical organizations believe that genetically modified foods are safe.