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Wellness and Personal Development

Is It Really 'Whole Grain'? Food Labels Often Misleading

HealthDay News
by By Dennis Thompson
HealthDay Reporter
Updated: Aug 10th 2020

new article illustration

MONDAY, Aug. 10, 2020 (HealthDay News) -- Folks who want to eat healthy by choosing whole grain foods aren't helped by product labels that can confuse and mislead consumers, a new study shows.

Almost half were unable to identify the healthier whole grain option when asked to rely on food package labels, researchers discovered.

A similar proportion of participants were unable to accurately state the whole grain content of different products, according to the study.

Terms like "multigrain," "contains whole grains," "honey wheat" and "12-grain" can be used to hawk breads, cereals and crackers as healthier options even if the product mostly contains refined flour, explained lead researcher Parke Wilde, a professor at Tufts University's School of Nutrition Science and Policy in Boston.

"If they say it contains whole grains, it really does have to contain some whole grains. They would get into trouble if they made a claim that was outright false," Wilde said. "But it's totally permitted to say it contains whole grains even if it's mostly refined grains.

"For terms like multigrain or seven-grain or 12-grain, or the coloring, there's no rules at all," Wilde continued. "There's no rules against using any of those terms on a refined grain product, or coloring the product brown, which consumers associate with whole grains."

Current U.S. dietary guidelines recommend that whole grains make up at least half of a person's overall grain intake. Studies have shown that whole grains can protect against heart disease, type 2 diabetes and cancer, researchers said in background notes.

Refined grains have been ground into flour or meal, with the healthy outer layers of grain stripped away. Whole wheat products contain the entire grain, which boosts the fiber content and adds higher levels of nutrients.

Wilde and his colleagues used two different methods to test consumer savvy when it comes to picking whole grain products.

In one experiment, they asked people to choose between two hypothetical products -- one product that contained a lot of whole grains but made no claims on the front of the package, and another that had lower overall whole grains but bore packaging selling itself as "made with whole grains" or "multigrain" or "wheat."

Both products bore an ingredient list and a Nutrition Facts panel that clearly showed that the less flashy product contained more whole grains, but between 29% and 47% of participants still chose the less-healthy option that marketed itself as a whole grain powerhouse, researchers found.

"The question distinguished people who rely on the whole grain claim on the front of the package, compared to people who look on the ingredients list," Wilde said. "If you looked at the ingredients list, you would have been able to see which product really contained whole grains."

The second experiment asked participants to look at four actual grain products and guess whether each contained all whole grain, mostly whole grain, or little to none.

Between 43% and 51% of people overstated the whole grain content of the products, based on what the packaging told them, researchers found.

The findings were published Aug. 10 in the Public Health Nutrition journal.

The study provides strong evidence that could support any attempt by the government to regulate misleading whole grain labels, Wilde said.

"I would say when it comes to deceptive labels, 'whole grain' claims are among the worst," said co-researcher Jennifer Pomeranz, an assistant professor of public health policy and management at the NYU School of Global Public Health.

"Even people with advanced degrees cannot figure out how much whole grain is in these products," she said in a Tufts news release.

In the meantime, people will need to do a bit more reading in the supermarket if they want to choose products that truly have more whole grains, Wilde said.

"Read the ingredients list, and know which things are indicators of whole grains," Wilde said. Look for words like "whole grain" or "whole wheat," and be on the alert for words like "enriched flour" and "wheat flour" that do not describe whole grains.

"You need to know they list it in decreasing order of weight. If a whole grain product lists whole grain as its first ingredient, that's a stronger indication of whole grain content," Wilde continued. "That's something that consumers can do already, but you can see that it would be easier if the label had something like a percentage of whole grain content on the front."

The Nutrition Facts label can also help people sort out the healthier option between whole grain products, said Dr. Maria Pena, who directs endocrine services at Mount Sinai Doctors Forest Hills in New York City.

"Really the trick is learning how to read a nutrition label. If you don't know how to read a nutrition label, that's where you run into trouble," said Pena, who wasn't part of the study. "You really have to focus on the amount of carbs the bread has and the amount of fiber. That's really what helps you determine which bread is better than the other one.

"If a slice of bread has 30 or more carbs, I consider it to be not a healthy choice," Pena said.

More information

The American Heart Association has more about whole grains.