MONDAY, April 16 (HealthDay News) — Large differences exist in the
levels of salt in foods sold at major fast-food restaurants in the United
States and other developed countries, a new study says.
Researchers examined the salt content of more than 2,100 food items in
seven product categories sold by Burger King, Domino’s Pizza, Kentucky
Fried Chicken, McDonald’s, Pizza Hut and Subway in the United States,
Canada, Australia, France, New Zealand and the United Kingdom.
The food-product categories included savory breakfast items, burgers,
chicken products, pizza, salads, sandwiches and french fries.
The study found that sodium levels in similar foods varied widely among
the countries, and that fast food in the United States and Canada
contained much higher levels of sodium than in the United Kingdom and
France.
For example, McDonald’s Chicken McNuggets in Canada contained 2.5 times
more sodium than those in the United Kingdom. There were 600 milligrams of
sodium (1.5 grams of salt) in a 3.5-ounce serving in Canada, but the same
serving size in the United Kingdom contained 240 milligrams of sodium (0.6
grams of salt).
The study appears April 16 in the Canadian Medical Association’s
journal, CMAJ.
“Canadian companies indicate they have been working to reduce sodium
but the high sodium in these foods indicates voluntary efforts aren’t
working,” Norman Campbell, of the University of Calgary, and colleagues,
said in a journal news release.
“These high levels indicate failure of the current government approach
that leaves salt reduction solely in the hands of industry,” the
researchers said. “Salt-reduction programs need to guide industry and
oversee it with targets and timelines for foods, monitoring and
evaluation, and stronger regulatory measures if the structured voluntary
efforts are not effective.”
High levels of dietary salt have been linked to high blood pressure and
other harmful health effects.
“Decreasing salt in fast foods would appear to be technically feasible,
and is likely to produce important gains in population health — the
[average] salt levels of fast foods are high, and these foods are eaten
often,” the researchers concluded.
More information
The U.S. National Heart, Lung and Blood Institute outlines how to reduce sodium in your diet.
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