1: Commit to buying as much certified organic as possible
The USDA's National Organic Program prohibits organic farmers from planting genetically engineered seeds and organic food producers from using ingredients derived from GMO crops like corn, soy, and canola. Additionally, the following crops should ALWAYS be purchased organic: sweet corn, zucchini, summer squash and papaya.
2: Look for "Non-GMO Project Verified" on the label
The Non-GMO Project requires testing to make sure problem crops were not contaminated with pollen from non-organic farms and then certifies products with less than 0.9% GMO contamination.
3: Watch out for the "Factory Four”
The four most common genetically engineered ingredients you will find in your food are: corn, soy, and sugar (from GMO sugar beets) and the vegetable oils derived from GMO crops. Download EWG's entire Shopper's Guide to Avoiding GE Food on at www.ewg.org.