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High sodium consumption (5 g or more of salt per day) and insufficient potassium intake (less than 3.5 grams (0.12 oz) per day) have been linked to high blood pressure and increased risk of heart disease, stroke, and kidney disease. [6] [7] As an essential nutrient, sodium is involved in numerous cellular and organ functions. Several national ...
“The daily value of sodium is 2,300 milligrams, meaning you can have that amount in a day without any adverse effects.” That’s about 1 teaspoon of table salt, or sodium chloride.
A low sodium diet has a useful effect to reduce blood pressure, both in people with hypertension and in people with normal blood pressure. [7] Taken together, a low salt diet (median of approximately 4.4 g/day – approx 1800 mg sodium) in hypertensive people resulted in a decrease in systolic blood pressure by 4.2 mmHg, and in diastolic blood pressure by 2.1 mmHg.
The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.
While reduction of sodium intake to less than 2,300 mg per day is recommended by developed countries, [6] one review recommended that sodium intake be reduced to at least 1,200 mg (contained in 3 g of salt) per day, as a further reduction in salt intake led to a greater fall in systolic blood pressure for all age groups and ethnicities. [68]
GDAs are guidelines for healthy adults and children about the approximate amount of calories, fat, saturated fat, total sugars, and sodium/salt they should consume each day. [1] The GDA labels have the percentage of daily value per serving and the absolute amount per serving of these categories.
WHO guidelines [4] [5] state that adults should consume less than 2,000 mg of sodium/day (i.e. about 5 grams of traditional table salt), and at least 3,510 mg of potassium per day. [6] In Europe, adults and children consume about twice as much sodium as recommended by experts. [7]
The U.S. Institute of Medicine set its tolerable upper intake level for sodium at 2.3 grams per day, [90] but the average person in the United States consumes 3.4 grams per day. [91] The American Heart Association recommends no more than 1.5 g of sodium per day. [92]