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Recently, the WeChat circle of friends has been spreading that “the number of hyperkalemia in emergency departments is increasing.
Asking for medical history, many people use low-sodium salt
.
Because low-sodium salt is more expensive than ordinary salt, people think that the more expensive is good
.
Our nephrologists say every day that we buy the cheapest snow salt, not low-sodium salt.
In fact, low-sodium salt is high-potassium salt.
It is life-saving salt.
.
.
"What is low-sodium salt? Does it really kill people?
What is low sodium salt?
[Low-sodium salt] generally refers to table salt products in which part of potassium salt is substituted for sodium salt
.
Potassium salt can also produce a certain salty taste, but it is not as salty as sodium salt
.
Low-sodium salt generally contains 60~70% sodium chloride, and the rest is replaced by potassium salt
.
.
Potassium salt can also produce a certain salty taste, but it is not as salty as sodium salt
.
Low-sodium salt generally contains 60~70% sodium chloride, and the rest is replaced by potassium salt
.
Compared with ordinary sodium salt, its sodium content is lower, 25%-30% lower than pure refined salt, and it also contains a certain amount of potassium.
For people with high blood pressure and other cardiovascular diseases, if not If you expect that it will affect the taste of your daily diet too much, there are certain benefits to substituting low-sodium salt for ordinary table salt
.
For people with high blood pressure and other cardiovascular diseases, if not If you expect that it will affect the taste of your daily diet too much, there are certain benefits to substituting low-sodium salt for ordinary table salt
.
How much potassium is there in low sodium salt?
China's national standard "GB 2721-2015 National Food Safety Standard Edible Salt" stipulates that the content of potassium chloride in every 100 grams of "low sodium and high potassium salt" is 10 to 35%
.
The potassium chloride content of commercially available low-sodium salts is usually around 25%
.
According to China's recommendation of 6 grams of salt per day, 6 grams of low-sodium salt contains 1500 mg of potassium chloride, which is about 800 mg of potassium
.
.
The potassium chloride content of commercially available low-sodium salts is usually around 25%
.
According to China's recommendation of 6 grams of salt per day, 6 grams of low-sodium salt contains 1500 mg of potassium chloride, which is about 800 mg of potassium
.
Will low-sodium salt be "death"?
Rumors claim that low sodium salt can cause hyperkalemia and kill people
.
Is that right?
.
Is that right?
First, let's talk about whether it will cause hyperkalemia in the end
.
According to the new guidelines issued by the World Health Organization, the daily [sodium] intake of adults should be less than 2000 mg, that of salt intake should be less than 5 grams, and the [potassium] intake should be at least 3510 mg (decrease for children)
.
High sodium and low potassium may increase blood pressure and increase the risk of heart disease and stroke
.
China’s latest resident dietary nutrient reference intake DRIs (2013) believes that the appropriate potassium intake (AI) for healthy people is 2000 mg per day, and the recommended potassium intake (PI) for the prevention of chronic diseases is 3,600 mg
.
.
According to the new guidelines issued by the World Health Organization, the daily [sodium] intake of adults should be less than 2000 mg, that of salt intake should be less than 5 grams, and the [potassium] intake should be at least 3510 mg (decrease for children)
.
High sodium and low potassium may increase blood pressure and increase the risk of heart disease and stroke
.
China’s latest resident dietary nutrient reference intake DRIs (2013) believes that the appropriate potassium intake (AI) for healthy people is 2000 mg per day, and the recommended potassium intake (PI) for the prevention of chronic diseases is 3,600 mg
.
If you eat 6 grams of low-sodium salt a day, which contains 800 mg of potassium, this is far from the recommended intake (PI) of 3,600 mg for the prevention of chronic diseases in China; many people may say that we Chinese people eat salt.
There are so many of them
.
Even according to the current survey of salt intake in China (the average person eats nearly 10 grams of salt per day), the potassium intake from low-sodium salt is about 1309 mg, which will not exceed the safety of potassium
.
And if you follow the salt limit recommendation of no more than 6 grams, you don’t have to worry about it
.
Therefore, to say that low sodium salt can cause hyperkalemia is completely in vain.
From the current diet, we will not exceed the recommended amount of potassium
.
There are so many of them
.
Even according to the current survey of salt intake in China (the average person eats nearly 10 grams of salt per day), the potassium intake from low-sodium salt is about 1309 mg, which will not exceed the safety of potassium
.
And if you follow the salt limit recommendation of no more than 6 grams, you don’t have to worry about it
.
Therefore, to say that low sodium salt can cause hyperkalemia is completely in vain.
From the current diet, we will not exceed the recommended amount of potassium
.
Secondly, there is a mechanism for regulating the "potassium balance" in normal people.
For healthy people, low sodium salt is safe enough
.
The human kidneys have a complete set of regulation mechanisms for potassium intake and excretion.
When potassium intake is insufficient, the kidneys will reduce potassium excretion; if the intake is too much, the kidneys will excrete excess potassium.
Potassium is mainly excreted through the kidneys, intestines and sweat
.
On the premise of good health, there is very little possibility that the potassium content in the blood will be too high through food and eating low sodium salt
.
Therefore, if the kidney function is normal, hyperkalemia will hardly occur
.
For healthy people, low sodium salt is safe enough
.
The human kidneys have a complete set of regulation mechanisms for potassium intake and excretion.
When potassium intake is insufficient, the kidneys will reduce potassium excretion; if the intake is too much, the kidneys will excrete excess potassium.
Potassium is mainly excreted through the kidneys, intestines and sweat
.
On the premise of good health, there is very little possibility that the potassium content in the blood will be too high through food and eating low sodium salt
.
Therefore, if the kidney function is normal, hyperkalemia will hardly occur
.
Of course, if patients with renal insufficiency, they should still follow the doctor's advice
.
.
Low sodium salt is actually good
In fact, due to the high potassium content in low-sodium salt, replacing part of table salt with it is still good for health
.
.
Potassium is an essential electrolyte for the human body.
The blood potassium concentration of human body is 3.
5-5.
5mmol/L.
Normal blood potassium concentration plays a very important role in maintaining cardiovascular function and other human functions
.
Insufficient potassium intake can cause some non-communicable diseases such as high blood pressure, cardiovascular disease, chronic kidney stones and low bone density
.
Increasing potassium intake can lower blood pressure, reduce the risk of cardiovascular disease, increase bone density, and reduce the adverse consequences of excessive sodium intake
.
The blood potassium concentration of human body is 3.
5-5.
5mmol/L.
Normal blood potassium concentration plays a very important role in maintaining cardiovascular function and other human functions
.
Insufficient potassium intake can cause some non-communicable diseases such as high blood pressure, cardiovascular disease, chronic kidney stones and low bone density
.
Increasing potassium intake can lower blood pressure, reduce the risk of cardiovascular disease, increase bone density, and reduce the adverse consequences of excessive sodium intake
.
Most of us consume too much sodium and not enough potassium
.
Therefore, the World Health Organization (WHO) pointed out that the daily intake of sodium should not be higher than 5 grams, and the intake of potassium should not be less than 3510 mg
.
At the same time, the WHO strongly recommends that adults consume more potassium from food in order to reduce blood pressure and the risk of cardiovascular disease, stroke and coronary heart disease
.
What needs to be reminded here is that there is no need to worry about excessive intake of potassium from food.
WHO says "at least" and does not specify an upper limit; while sodium requires "below" and no lower limit
.
It can be seen that the safety line of potassium is still very large
.
.
Therefore, the World Health Organization (WHO) pointed out that the daily intake of sodium should not be higher than 5 grams, and the intake of potassium should not be less than 3510 mg
.
At the same time, the WHO strongly recommends that adults consume more potassium from food in order to reduce blood pressure and the risk of cardiovascular disease, stroke and coronary heart disease
.
What needs to be reminded here is that there is no need to worry about excessive intake of potassium from food.
WHO says "at least" and does not specify an upper limit; while sodium requires "below" and no lower limit
.
It can be seen that the safety line of potassium is still very large
.
In general, for the average person, low sodium and high potassium salts are not only safe, but also beneficial
.
However, what needs to be reminded is that low-sodium salt still contains sodium, and its beneficial premise is: (1) replace the original ordinary table salt; (2) the total amount cannot be too high
.
Because even low-sodium salt, if you use 25% more than ordinary salt, your sodium intake will be as much as ordinary salt
.
.
However, what needs to be reminded is that low-sodium salt still contains sodium, and its beneficial premise is: (1) replace the original ordinary table salt; (2) the total amount cannot be too high
.
Because even low-sodium salt, if you use 25% more than ordinary salt, your sodium intake will be as much as ordinary salt
.
How to reduce salt?
The Chinese Nutrition Society recommends a daily sodium intake of 1500 mg per person, which is equivalent to less than 4 grams of salt; and the recommended intake (PI) for the prevention of chronic diseases is 2000 mg/day, which is equivalent to 5 grams of salt
.
Therefore, we should try to reduce salt intake as much as possible
.
In addition to low-sodium salt, what other methods can be used to reduce salt? You may wish to start from these aspects:
.
Therefore, we should try to reduce salt intake as much as possible
.
In addition to low-sodium salt, what other methods can be used to reduce salt? You may wish to start from these aspects:
Use various spices instead of salt to add flavor to food;
Restrict processed foods such as preserved foods and processed meats and replace them with fresh meats and vegetables;
Limit snacks with high salt content such as potato chips and beef jerky;
When buying food, read the nutrition label carefully and choose foods with lower sodium content;
Do not put a salt shaker on the table during your daily diet
.
.
Reference materials:
[1]GB 2721-2015 National Food Safety Standard Edible Salt
[2] World Health Organization "Potassium intake of adults and children"
[3] World Health Organization "Sodium Intake for Adults and Children"
[4] World Health Organization.
Salt reduction
Salt reduction
[5] Dietary Nutrient Reference Intakes (DRIs) of Chinese Residents (2013)
[6] WHO publishes new guidelines on salt and potassium intake.
Author: Ruan Guangfeng, Director of the Business Department of Kexin Food and Nutrition Information Exchange Center, WeChat/Weibo @(ruanguangfeng)
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