October 4, 2026 · 11 MIN
Potassium for Athletes: Muscle Function, Performance, and Optimal Food Sources
Athletes lose 200-400mg potassium per liter of sweat and require 3,500-4,700mg daily for optimal muscle contraction and glycogen storage. Learn potassium food sources ranked by density, the sodium-potassium interaction, and why supplementation above 99mg carries cardiac risks.
