What Are GMOs and Bioengineered Foods, and What Should I Look for on Labels?

You’ll often hear that GMO foods are “safe.” But that simple headline skips the part many shoppers care about most: in the U.S., many GMO/bioengineered crops are designed to work with specific herbicides. So the real-world question for consumers isn’t only “Is the genetic change safe?”—it’s also “What farming chemicals and residues tend to come with these GMO/bioengineered crops, and how do I reduce exposure?”.¹

This guide breaks down what GMO and bioengineered mean, why herbicide-tolerant GMO/bioengineered crops are controversial, and exactly what to look for on packages and ingredient lists.²

What does GMO mean? What does “bioengineered” mean?

• GMO means Genetically Modified Organism: a plant or animal whose DNA was changed using genetic engineering.³
• Bioengineered is the U.S. government’s labeling term for many GMO foods. On packaging, you may see “bioengineered food,” “contains a bioengineered food ingredient,” or a scannable code that links to more information.⁴

In other words, GMO and bioengineered often refer to the same thing, but bioengineered is the word you’re more likely to see on labels.⁵

Why do some people avoid GMO/bioengineered foods?

Concerns vary, but for many consumers, the biggest issue is that a large share of GMO/bioengineered acreage is tied to herbicide-tolerant cropping systems—most famously glyphosate (“Roundup-ready” crops). Since the 1990s, the use of herbicide-tolerant GMO/bioengineered crops has expanded, and glyphosate use has increased sharply in parallel.⁶

There are also downstream effects:

• Herbicide-resistant weeds can lead to heavier spraying and the use of additional herbicides.⁷
• Newer herbicide-tolerant GMO/bioengineered systems have been paired with herbicides such as dicamba and 2,4-D.⁸

Important nuance: this doesn’t mean every GMO/bioengineered food is automatically “toxic.” It means many shoppers choose a precautionary approach because the GMO/bioengineered debate is often inseparable from the chemical system that surrounds it.⁹

Do GMOs/bioengineered crops “feed the world”?

You’ll often hear that GMO/bioengineered crops are essential to feeding the world. The reality is more complicated. In the U.S., a large share of corn production goes to animal feed and fuel ethanol, not directly to feeding people.¹⁰

And even in pro-GMO/bioengineered circles, researchers have warned against overselling what genetic modification can do on its own—especially when the conversation ignores soil health, access, distribution, and who benefits economically.¹¹

The practical grocery-store problem: GMO vs. bioengineered labeling

Here’s the issue: even when a product contains GMO/bioengineered ingredients, the label may not say “GMO.” It may say:

• Bioengineered
• BE (abbreviation)
• Contains a bioengineered food ingredient
• A QR code / digital link (you have to scan to see details)

So if you only look for the word “GMO,” you’ll miss a lot. If you only look for “bioengineered,” you’ll miss brands that still use “GMO” language.¹²

What to look for on packages

1. Look for the Non-GMO Project Verified label (butterfly) One of the simplest shortcuts is the Non-GMO Project Verified seal (the butterfly). If you see it, it’s a clear signal the brand went through a third-party verification process.¹³
2. Watch for “bioengineered” language If the package says bioengineered (or uses a scannable code), that’s your cue to decide whether you want to buy it.¹⁴
3. Use “risk status” to focus your attention (especially for produce) If you’re shopping produce or minimally processed foods, ingredient lists won’t help much. A practical alternative is to use a risk-status approach—a simple system for identifying foods that are more likely to be GMO/bioengineered unless they’re organic or verified non-GMO.¹⁵
4. Scan ingredient lists for common GMO/bioengineered “usual suspects” Many GMO/bioengineered crops show up in packaged foods as oils, sweeteners, starches, and additives. If you’re trying to reduce GMO/bioengineered exposure, pay extra attention when you see ingredients derived from major GMO/bioengineered commodity crops such as corn, soy, canola, sugar beets (as sugar), and cotton (as cottonseed oil).

Tip: highly refined oils and sweeteners can be tricky—GMO/bioengineered inputs may be present even when the final ingredient doesn’t “sound” like a crop.

How to reduce GMO/bioengineered exposure

• Choose USDA Organic when you can. Organic standards prohibit the use of GMO/bioengineered seeds and GMO/bioengineered animal feed.
• Use the butterfly shortcut. Look for Non-GMO Project Verified for packaged foods and supplements.
• Reduce ultra-processed foods. Fewer ingredient lists = fewer hidden corn/soy/canola derivatives.
• Use Risk Status for produce. If an item is considered high-risk, choose organic or verified non-GMO when possible.

Bottom line

If you want to avoid GMO and bioengineered foods, you don’t need to memorize everything—you need a system: look for the butterfly label, recognize the term bioengineered, and learn the most common GMO/bioengineered ingredient sources.

And if you’re concerned about the herbicide side of the GMO/bioengineered story, choosing organic and verified non-GMO options is a practical way to lower exposure while the science and policy debates continue.

Suggested Supplements Consider

Dr. Grossman’s Complete Eye Formula 2oz (oral spray)

Dr. Grossman’s Meso Plus Formula with Astaxanthin – 90 vcaps (3-month supply)

Advanced Eye & Vision Support Formula (whole food) 60 vcaps

ReVision Formula (wild-crafted herbal formula) 2 oz – based on classic Chinese medicine Liver tonic formula to help support healthy circulation and blood flow throughout the eyes and body.

Dr. Grossman’s Blood Vessel Control Formula 2oz – helps reduce the risk of unwanted blood vessel growth, supports healthy circulation, reduces inflammation, and more.

Dr. Grossman’s Bilberry/Ginkgo Combination 2oz (60ml) – helps support healthy circulation, and strengthens blood vessels and capillaries.

Dr. Grossman’s Whole Food Organic Superfood Multi-Vitamin 120 Vcaps – whole food, organic, GMO-free multivitamin.

H2 Elite Molecular Hydrogen 60 tabs

NMN Wonderfeel Capsul 60 vegcaps – helps protect ganglion cells in the retina and optic nerves from damage, reduces inflammation, supports the immune system.

Supplement Packages

AMD Package 4G

Corneal Support Package 2

Optic Nerve A-Support Package 1

Add H2 Elite to any of these packages as well.

Recommended Books

Natural Eye Care: Your Guide to Healthy Vision and Healing

Natural Brain Support: Your Guide to Preventing and Treating Alzheimer’s, Dementia, and Other Related Diseases Naturally

Natural Parkinson’s Support: Your Guide to Preventing and Managing Parkinson’s