Tell me more about drinking salt water in the morning

A small pinch of salt in morning water may help stabilize hydration and blood volume, especially while fasting or when caffeine, low-carbohydrate eating, or exercise can increase fluid and sodium loss. 1 2

• 1. Sodium supports nerve and muscle function and helps retain water. Sodium is involved in the electrical signaling neurons rely on, and it brings water with it, contributing to blood volume and fluid balance. 3 4
• 2. Blood volume may explain some jitters or lightheadedness. A small amount of salt in water may ease shakiness, lightheadedness, or difficulty concentrating during a fast; those sensations can feel like a need for food or sugar. 5
• 3. How to try it: Add a tiny pinch of sea, Himalayan, or table salt to water. Lemon or lime juice is optional; the suggested amount is a small pinch, not an invitation to overdo sodium. 6 7
• 4. Use caution with high blood pressure. People with chronic hypertension or high blood pressure should be wary of too much sodium, and salt needs vary with individual circumstances. 8

The practice is presented as context-dependent, not a universal requirement. 9