Could too much fortified cereal be harmful to young kids?

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by Tami Hoey

Video report by Heidi Goitia

Posted on June 24, 2014 at 9:39 AM

Updated Wednesday, Jun 25 at 3:14 PM

PHOENIX -- For years, parents and health groups have pushed to make breakfast cereals healthier. But now some say that those "healthy" cereals may actually be bad for your kids!

A new report says that young children who eat a lot of fortified breakfast cereal may be getting too much of a good thing.

The report comes from the Environmental Working Group (EWG), a Washington, D.C.-based health research and advocacy organization. According to researchers, "millions of children are ingesting potentially unhealthy amounts" of vitamin A, zinc and niacin. And fortified breakfast cereals the leading source of that excessive intake because all three nutrients are added in amounts calculated for adults.

According to the report, routinely ingesting too much vitamin A can, over time, lead to health issues such as liver damage and skeletal abnormalities.  High zinc intake can impair copper absorption and negatively affect red and white blood cells and immune function. Consuming too much niacin can cause short-term symptoms like rashes, nausea and vomiting, the report says.

Outdated nutritional labeling rules may increase this risk. So can misleading marketing by food manufacturers who use high fortification levels to make their products appear more nutritious.

Although the FDA is currently updating nutrition facts labels that appear on most food packages, none of its proposed changes address the issue of over-consumption of fortified micro-nutrients, or that the recommended percent daily values for nutrition content that appear on the labels are based on adults, according to the EWG findings.

The daily values for most vitamins and minerals that appear on nutrition facts labels were set by the FDA in 1968 and haven't updated, she says, making them "wildly out-of-sync" with currently recommended levels deemed safe by the Institute of Medicine, a branch of the National Academy of Sciences.

EWG looked at nutrition facts on the labels of 1,556 breakfast cereals and 1,025 snack and energy bars. They found:

-114 cereals fortified with 30 percent or more of the adult daily value (or recommended level of intake) for vitamin A, zinc and/or niacin.
-27 snack and energy bars fortified with 50 percent or more of the adult daily value for at least one of the three nutrients.
-23 cereals with added fortification of one or more of the nutrients in amounts "much greater" than the levels deemed safe for children age 8 and younger by the Institute of Medicine.

According to the report, cereals with the highest added nutrient levels include national brands such as Kellogg's Product 19 and General Mills Total Raisin Brain, as well as store brands from Food Lion, Safeway and Stop & Shop.

In a statement, Kellogg spokesperson Kris Charles says, "The report ignores a great deal of the nutrition science and consumption data showing that without fortification of foods such as ready-to-eat cereals, many children would not get enough vitamins & minerals in their diets. Less than 2 percent of all cereals assessed by EWG made their "Top 23" list and the vast majority of these are adult-oriented cereals not regularly consumed by children."

The FDA, in a statement, said that proposed daily values for infants (7-12 months) and young children (1-3 years) are being considered, but not for 4-8 year olds "because they consume the same foods as the general population" and the FDA "is not aware of foods that are sold specifically for this age group."

The agency added that it is proposing lowering daily intakes for these nutrients for the revamped food labels.

The evidence that millions of children are exceeding the safe upper levels for some nutrients "is fairly good and traceable to excessive marketing-driven fortification," says Susan Roberts, a professor of nutrition at Tufts University, who was not involved in the EWG report. "But right now we don't have a lot of evidence that it is creating massive health problems. Rather, I would say it is unnecessary, not health-promoting, and in some individual cases may be causing toxic problems."

To help reduce the amount of vitamin A, zinc and niacin that kids consume, EWG says parents should limit the fortified cereals and other foods kids eat to those that contain no more than 20% to 25% of the adult daily value for each of the nutrients.

You can view the complete report online.
 

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