Why do you need more electrolytes on a ketogenic diet? When you adopt a lower-carb way of eating, insulin levels in the body drop. This signals the kidneys to excrete electrolytes at a higher rate (particularly sodium). If these electrolytes are left unreplaced, you can very quickly become electrolyte deficient and experience unpleasant symptoms like muscle cramps, headaches, brain fog, dizziness, and fatigue. These symptoms will persist until you adequately replace electrolytes. This is sometim