Sodium Recommended Daily Allowance (RDA)
The current recommendation is to consume less than 2,400 milligrams (mg) of sodium a day. This is about 1 teaspoon of table salt per day. It includes ALL salt and sodium consumed, including sodium used in cooking and at the table.
UK Sodium RDA
The US sodium RDA of less than 2,400 mg is higher than the UK Recommended Nutritional Intake (RNI) whose upper limit for sodium is 1,600 mg.
Sodium RDA - Lower for Those with Blood Pressure
People with high blood pressure should consume less sodium as recent research has shown that people consuming diets of 1,500 mg of sodium had better blood pressure lowering benefits. These lower-sodium diets also can keep blood pressure from rising and help blood pressure medicines work better.
Sodium RDA - National Research Council
The National Research Council of the National Academy of Sciences recommends an approximate daily range of 1,100 to 3,300 mg of sodium for adults.