Summary
The average American consumes 10-14.5g of sodium chloride (NaC1) daily, with intake varying by food source, sex, and age. About one-third of daily NaC1 comes from natural sources, food processing, and consumer additions.
Area of Science:
- Nutrition Science
- Dietary Intake Analysis
Background:
- Estimating daily sodium chloride (NaC1) intake is crucial for public health.
- Understanding discretionary (consumer-added) and nondiscretionary (natural/processed) sources of NaC1 is essential.
Purpose of the Study:
- To estimate the total daily intake of sodium chloride (NaC1) in the American diet.
- To identify the primary sources and contributing factors to NaC1 consumption.
Main Methods:
- Review and synthesis of existing studies on NaC1 intake.
- Categorization of NaC1 sources into discretionary and nondiscretionary.
Main Results:
- Average American daily NaC1 intake ranges from 10 to 14.5 grams.
- NaC1 sources are roughly one-third natural, one-third processed, and one-third consumer-added.
- Males consume more NaC1 than females; intake decreases with age.
- Grain, cereal, and meat products contribute significantly to nondiscretionary NaC1.
Conclusions:
- Dietary sodium chloride intake is substantial and multifaceted.
- Further research is needed to precisely quantify sodium from water and drugs.
- Potassium intake is less studied, estimated at 4-11 g/person daily.
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