Most recently a Non-GMO label hit the shelves, and I anticipate new antibiotic free meat certification to pop up at any minute.

FORBES: Are Consumers Growing Weary of 'Eco-Labels?'

Many organic brands are also certifying their products as Non-GMO through the Non-GMO project, which does conduct routine testing for contamination, to provide consumers with additional certainty.

FORBES: With California Prop Defeated, GMO Labeling Proponents Look to Farm Bill

Our research from different countries suggests that instead of using GMO labels, most food companies prefer to buy more expensive non-GMO ingredients and pass the added costs to the consumers.

FORBES: Who Will Cover the Costs of California's Prop. 37?