While there’s currently no evidence that genetically modified organisms harm human health, that isn’t to say there aren’t legitimate reasons to avoid them.
GM experts and proponents also have legitimate concerns that adding a label identifying GMOs gives the impression that there are scientifically proven risks to worry about. Studies on perception of GM food suggests that the public has a baseline aversion, and a label may increase wariness. Labeling advocates, of course, argue that if Americans want to avoid GMOs, they have a right to do so.
“Can people avoid them? The answer is certainly yes. Especially in the last few years there have been more products on the market that are non-GMO or organic,” says Jayson Lusk, an economist at Purdue University who studies the consumer side of GMOs. “Now, those products are more expensive—no one ever said you can avoid them for free. But they can if they’re willing and able to pay, and one way they’ll pay is in the time to find the products.”
In contrast, the USDA regulations allow companies to choose between three options: write out the warning (as in “contains a bioengineered food ingredient”), include a BE label, or use a QR code that would link the consumer to a page disclosing all the information.
Read more at Popular Science