MELVIN J. FREGLY, Ph.D.
Attempts have been made to estimate both the discretionary (consumer-controlled) and nondiscretionary (commercially controlled or naturally occurring) daily intakes of NaCl. These studies suggest that the average American has a total (discretionary plus nondiscretionary) daily intake of NaCl ranging from 10 to 14.5 g, with about one third occurring naturally in food, one third added during food processing, and one third added by the consumer. Males consume more NaCl than females and intakes of both sexes decline with age. Sodium chloride ingested with grain and cereal products and meat comprise about 50% of the daily nondiscretionary NaCl intake. Additional amounts of sodium are ingested daily in drinking water and with drugs, but their contribution is difficult to determine. Total daily nondiscretionary intake of potassium is less well studied and is estimated to be in the range of 4 to 11 g/person.
FREGLY MJ. Estimates of Sodium and Potassium Intake. Ann Intern Med. ;98:792–799. doi: 10.7326/0003-4819-98-5-792
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Published: Ann Intern Med. 1983;98(5_Part_2):792-799.
Cardiology, Pulmonary/Critical Care.
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