From: hubermanlab
In a recent episode of the Huberman Lab podcast, Dr. Andrew Huberman delves into the intricate roles that the temperature and pH of water play in its absorption and utilization by the human body. Understanding these factors can significantly aid in optimizing hydration and enhancing physiological processes optimizing hydration and enhancing physiological processes.

Water Temperature and Absorption

The temperature of the water we consume has a substantial impact on how quickly it is absorbed and utilized by our body. Dr. Huberman explains that when the water we drink is very cold—cold enough that you can feel it distinctly in your gut—it tends to be absorbed more slowly. This slower absorption rate means that you might experience the sensation of water “sloshing” around in your stomach for longer periods compared to when you consume water that is at a warmer or room temperature [01:55:01].

Practical Implications

  • Colder Water: If you drink ice-cold water, be aware it might not be the most efficient way to hydrate quickly, especially if you are seeking rapid hydration.
  • Warmer Water: Slightly warmer or room temperature water tends to be absorbed more readily, which might be beneficial for those looking to hydrate swiftly or have sensitive stomachs [01:56:01].

pH Level of Water and Absorption

The pH level, which reflects how acidic or alkaline water is, plays a crucial role in how effectively water is absorbed and used by your body. Dr. Huberman mentions that water with a higher pH value, which is more alkaline, facilitates quicker absorption compared to more acidic water quicker absorption compared to more acidic water [00:52:52].

Biological Mechanism

The aquaporin channels in our cells, which are responsible for the rapid movement of water across cell membranes, function more effectively with alkaline water. This enhanced function can lead to more efficient hydration throughout the body [00:49:51].

Considerations for Alkaline Water

  • Higher pH Water: Water with a pH around or above 7.5 is absorbed more effectively, potentially aiding faster hydration and better cellular function. aiding faster hydration and better cellular function
  • Avoid Excessively Acidic Water: Water that is too acidic (lower pH) can impede absorption and might cause a “full” feeling longer, as it remains in the stomach without moving as swiftly into the rest of the body [00:53:01].

Optimizing Hydration

Consuming water that is both adequately warm and has a higher pH can greatly enhance hydration efficiency. This is particularly crucial for individuals seeking to optimize cognitive and physical performance, as optimal hydration can mitigate fatigue and boost alertness and focus optimal hydration can mitigate fatigue and boost alertness and focus.

Conclusion

Understanding the role of temperature and pH in water absorption can help individuals tailor their hydration strategies to better support their health and performance needs. By adjusting the temperature and ensuring the water consumed is appropriately alkaline, one can significantly enhance their overall hydration efficiency [02:07:00].

For a comprehensive dive into these topics and more water-related insights, listen to the full Huberman Lab podcast episode.