The Potassium Crisis: How Deficiency in this One Mineral Causes Fatigue and Brain Fog

Hydration starts long before thirst. Most people never notice the imbalance that causes fatigue, poor focus, and muscle tightness. The problem is not water. It’s potassium.

Potassium is the primary intracellular electrolyte. It controls fluid inside your cells and regulates nerve transmission, heart rhythm, and muscle contraction. When levels drop, water cannot move properly, and performance declines quietly.

Modern diets fall short by over 1,000 to 2,000 milligrams of potassium every day. Processed foods replace potassium-rich plants with sodium-heavy fillers. The result is a body stuck in imbalance — too much sodium, not enough potassium.

The symptoms are subtle: low energy, poor concentration, irritability, muscle cramps, and that familiar afternoon brain fog. These are not random. They are signs of cellular dehydration.

Magnesium deficiency often amplifies it. Magnesium and potassium work together to support muscle function and electrolyte transport. Without both, hydration efficiency drops no matter how much water you drink.

The [src] Correction:
Daily delivers 900 mg of potassium, 150 mg of magnesium from glycinate and malate, and a light sodium profile to rebuild hydration from the inside out. It corrects the imbalance at the cellular level, restoring focus and steady energy without overstimulation.

This is hydration for the modern diet — built on precision, not excess salt.