What Drinking Water on an Empty Stomach Actually Does
1. Rehydrates Your BodyThis is the most straightforward and important benefit. Even mild dehydration can cause fatigue, headache, and difficulty concentrating.
2. May Boost Metabolism (Slightly)
Some studies suggest that drinking water can temporarily increase your metabolic rate by about 24-30%. The effect lasts about an hour and is modest—but every little bit helps.
The catch: This effect happens whenever you drink water, regardless of time of day.
3. Aids Digestion
Water prepares your digestive tract for the day ahead. It can help prevent constipation and supports the natural movement of your intestines.
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