Glossary

Sodium Intake

Updated February 6, 2026

Sodium helps regulate fluid balance and nerve signals.

Guides

ContextIntake guide
General diet~1,500–2,300 mg per day from foods and drinks
Training in heat >60 minutesAdd ~300–800 mg sodium per hour with fluids
Very salty sweaterConsider ~800–1,200 mg per hour based on personal testing

Pair sodium with water and calibrate it against hydration signals. For longer sessions, treat it as part of electrolyte balance alongside potassium.

Related

Electrolyte Balance

Electrolyte Balance keeps sodium, potassium, and other minerals in ranges that support nerves, muscles, and fluid status.

Hydration

Hydration supports blood volume, temperature control, and performance.

Potassium

Potassium helps maintain fluid balance and supports muscle and nerve function.