GLOSSARY

Sodium Reference Table

US/Canadian adult mineral references, generally age 19-50; adult values are male / female. Magnesium values shown are age 19-30.

Sodium is an essential element acting mainly as an extracellular cation in the body.

For example, record sodium from bread, cheese and sports drinks using actual portions; a source name without serving size does not establish daily adequacy.

Sodium supports extracellular fluid volume, nerve signaling and intestinal uptake of some substances. Dietary sodium arrives in salts and additives, not as free metal. Its role in muscle function does not mean salt is needed before every workout. Usual food intake, actual losses and environmental conditions determine whether the plan needs adjustment, rather than the nutrient's physiological importance alone.

Table salt supplies sodium and chloride, but salt mass differs from sodium mass. Bread, cheese, sauces, canned foods and prepared meals can contribute substantially without tasting extremely salty. Food records use actual servings and label units, including drinks and tablets. Comparing products only by tablet number or an electrolyte claim does not establish equivalent sodium intake or replacement.