Tell me more about drinking salt water in the morning

A small amount of salt in water in the morning may help support fluid balance and ease fasting-related lightheadedness or shakiness—especially if you drink caffeine, eat low-carb, or exercise. 1 2

1. Nerve and muscle signaling: Sodium is one of the ions neurons use for chemical and electrical signaling. It also helps stabilize blood volume because sodium draws water along with it. 3

2. Lightheadedness or shakiness: Some people find salt water helps with jitters, lightheadedness, and difficulty concentrating while fasting, making it easier to wait until their eating window. Caffeine can increase water and sodium loss, and low-carb eating and exercise can also increase fluid and electrolyte needs. 4 5 6

3. How to try it: The suggested approach is a tiny pinch of sea, Himalayan, or table salt in water. Lemon or lime is optional; a small amount of water with salt was the key suggestion. Avoid overdoing the salt. 7 8

4. Blood pressure caution: Sodium needs vary, and people with chronic hypertension or high blood pressure should be cautious about extra sodium. 9