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How Much Sodium Should You Consume?

Cooking at home is a great way to reduce sodium in your diet.

 

The problems associated with sodium are clear. Too much sodium increases your risk for hypertension (high blood pressure), which in turn increases your risk heart disease.

 

What may not be clear, says UW Health clinical nutritionist Alicia Bosscher, is how much sodium is best, and what are the most common sources of sodium in our diet.

 

Sodium Recommendations

 

Current recommendations state that the right amount of sodium is between 1,500 milligrams (mg) and 2,300 mg daily. People who are at risk for high blood pressure should limit their sodium intake to 1,500 mg per day. A small group of people – elite athletes like marathoners, who sweat out dramatically more sodium than the general public – can safely consume more than the 2,300 mg per day recommendation. But they are the exception, not the rule.

 

What, then, is the source of the confusion surrounding appropriate sodium intake? Bosscher says the culprit may be a group of studies that surfaced in 2013, suggesting daily sodium of intake of less than 2,300 mg or more than 7,000 mg may increase the risk of heart attack and stroke.

 

The problem? Those studies didn't say that at all.

 

"When you read the conclusion of the studies, never once do they state that low sodium intake causes heart attacks or death," Bosscher says. "Instead, the committee says there is not enough evidence to support lowering sodium to less than 2,300 mg per day."

 

In science, words matter, and it's easy to misconstrue a phrase like "there is not enough evidence to support lowering sodium to less than 2,300 mg" to mean "you may be endangering your health if you consume less than 2,300 mg of sodium per day."

 

Also, it's easy to latch onto a number like 7,000 because it's substantially higher than what's been recommended. But the study's methodology, says Bosscher, was questionable, and the previously stated recommendations stand – no more than 2,300 mg per day, and more in the neighborhood of 1,500 mg if you're at particular risk for high blood pressure.

 

But knowing the proper sodium targets is only effective if you know where the sodium in your diet is coming from.

 

"It's really not about that salt shaker," Bosscher says.

 

Fewer Meals Out, Less Processed Food

 

According to the Food and Drug Administration (FDA), Americans consume on average 3,400 mg of sodium per day. Nearly three-quarters of the sodium in the average American's diet comes from processed and restaurant foods.

 

"There is a lot of hidden salt (in the average diet)," Bosscher says. "When people start looking at labels, they're often surprised by how much certain foods contain."

 

While the recent FDA release of voluntary sodium reduction guidelines is a step in the right direction, Bosscher wants to make sure people understand the targets are just that – voluntary, meaning the food industry can ignore them, if they choose. So a diet high in restaurant and processed food swill still contain unhealthy amounts of sodium.

 

"People still ultimately control how much sodium they eat each day," Bosscher says.

 

If you're getting too much sodium, Bosscher suggests the following:

  • Eat real food, not processed food. "Eat food that looks on your plate like it does in nature," Bosscher says.
  • Limit restaurant meals. "There is no magic number of meals per week," Bosscher says, "but I usually tell people that the more home cooking you do, the healthier you'll be."
  • If you eat a lot of canned goods and sauces, keep only your favorites, but spend some time reading labels and choose the lower-sodium versions.
  • Shoot for a little lower than the recommendation maximum. "If you really want a number," Bosscher says, "we encourage people to aim for 2,000 mg per day." That's enough to support a healthy, varied diet.

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Date Published: 06/16/2016

News tag(s):  healthy eatingwellnessnutritionfood and nutrition

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