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The Surprising Connection Between Water Intake and Mental Clarity

Your brain is a powerful organ, but it needs the right fuel to function at its best. That's where hydration, electrolytes, and green tea come in. These three essentials work together to support cognitive function, improve mood, and boost energy levels.


Your brain is made up of about 73% water, so it's no surprise that staying hydrated is essential for optimal brain function. Even mild dehydration can lead to impaired cognitive function, including difficulty concentrating, remembering things, and making decisions.
To stay hydrated, aim to drink eight glasses of water per day, or more if you're active or live in a hot climate. You can also get fluids from fruits, vegetables, and other beverages.


Electrolytes are minerals that help regulate fluid balance and nerve function. Important electrolytes for brain health include sodium, potassium, and chloride. When electrolyte levels are low, it can lead to fatigue, headache, and difficulty concentrating.
You can get electrolytes from your diet by eating foods like fruits, vegetables, and whole grains. You can also drink electrolyte-rich beverages like sports drinks or coconut water.

Green Tea

Green tea is a powerhouse of antioxidants and other beneficial compounds that have been shown to boost brain health. For example, green tea contains L-theanine, an amino acid that promotes relaxation and focus.
Green tea also improves blood flow to the brain and protects against oxidative damage. To incorporate green tea into your diet, drink it throughout the day or add green tea powder to smoothies, yogurt, or oatmeal.

The power of the trio

When you combine hydration, electrolytes, and green tea, you create a powerful team that can support your mental clarity and brain health in a number of ways.
  • Hydration ensures that your brain has the fuel it needs to function properly.
  • Electrolytes help regulate fluid balance and nerve function, which are both essential for cognitive function.
  • Green tea contains compounds that improve blood flow to the brain and protect against oxidative damage.

Take action today

By making sure you're getting enough hydration, electrolytes, and green tea, you can give your brain the best chance to thrive. So start drinking more water, eating plenty of fruits and vegetables, and sipping on LEAN Hydration throughout the day. Your brain will thank you for it!
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