Brain Fog and Electrolytes | How Dehydration Disrupts Focus and Mental Clarity

Brain fog feels abstract — slow thinking, poor memory, low focus. But the cause is often simple: dehydration at the cellular level.

The brain is nearly 75 percent water. Every neuron relies on electrolytes to send electrical signals that carry thoughts, decisions, and reflexes. When sodium, potassium, and magnesium fall out of balance, those signals weaken. The result is mental fatigue, reduced reaction time, and trouble concentrating.

Even mild dehydration can reduce cognitive performance. Studies show that a one to two percent drop in body water impairs short-term memory, alertness, and coordination. The problem isn’t just water loss — it’s the minerals that go with it.

Potassium keeps neurons charged. Magnesium stabilizes electrical activity. Sodium controls the movement of water between brain cells. When these minerals are missing, neurons fire less efficiently, oxygen delivery drops, and the brain slows down.

Many people reach for caffeine or sugar when focus dips, but that only masks the underlying issue. Energy drinks and coffee further deplete key electrolytes, worsening imbalance over time.

The [src] Correction:
Daily rebuilds mental clarity through electrolyte restoration. Its potassium, magnesium, and light sodium ratio supports hydration across brain cells, improving focus, reaction time, and overall cognitive endurance. Real energy doesn’t come from stimulation. It comes from cellular stability.

Brain fog isn’t psychological. It’s chemical — and chemistry can be fixed.