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The Dr. Josh Axe Show

How to Hydrate Your Brain, Boost Energy & End Brain Fog

The Dr. Josh Axe Show

Dr. Josh Axe

Religion & Spirituality, Health & Fitness, Christianity

4.91.4K Ratings

🗓️ 18 August 2025

⏱️ 41 minutes

🧾️ Download transcript

Summary

Dehydration is one of the most overlooked causes of fatigue, brain fog, and poor performance-- and it’s not just about drinking more water. In this episode, Dr. Josh Axe reveals why electrolytes, especially the right kind of salt, are essential for true cellular hydration, optimal brain function, and long-term health. You’ll learn the top mistakes that keep people chronically dehydrated, the most hydrating foods and minerals, and how to build a simple daily hydration routine that works. Watch the “Dr. Josh Axe Show” every Monday & Thursday at 11am CST: YouTube: https://www.youtube.com/@drjoshaxe Spotify: https://open.spotify.com/show/3RXCARRXA4KZEOIj8bCRee Apple Podcast: https://podcasts.apple.com/us/podcast/the-dr-josh-axe-show/id1700689487 Pre-order my NEW BOOK, The Biblio Diet → https://www.amazon.com/Biblio-Diet-Metabolism-Depression-Conquer/dp/1546008438 Check out my episode on Vitamin IV therapy to learn how to rapidly hydrate your cells → https://youtu.be/XFieuoxS6hA Check out my go-to salt brand and use code AXE10 for a special discount → https://www.selinanaturally.com/shop-by-category-celtic-sea-salt-products Connect with Dr. Josh Axe Instagram: https://www.instagram.com/drjoshaxe/ TikTok: https://www.tiktok.com/@thedrjoshaxeshow/ X: https://x.com/drjoshaxe/ Facebook: https://www.facebook.com/DrJoshAxe/ Website: http://thehealthinstitute.com Newsletter: https://forms.thehealthinstitute.com/l-77 Ask Dr. Josh Axe: http://speakpipe.com/drjoshaxe Links https://njcraniofacialcenter.com/news/articles/what-percentage-of-the-brain-is-water/ https://www.dentinstitute.com/22-facts-about-the-brain-world-brain-day/ https://www.ncoa.org/article/10-reasons-why-hydration-is-important/ https://www.mayoclinic.org/diseases-conditions/hyponatremia/symptoms-causes/syc-20373711 https://pmc.ncbi.nlm.nih.gov/articles/PMC2267797/ https://www.cdc.gov/mmwr/preview/mmwrhtml/mm6452a1.htm https://nutritionfacts.org/blog/98-of-american-diets-potassium-deficient/ https://www.gohealthuc.com/library/4-signs-severe-dehydration-and-where-go-help https://health.clevelandclinic.org/drink-up-dehydration-is-an-often-overlooked-health-risk-for-seniors https://www.acc.org/About-ACC/Press-Releases/2023/02/22/20/42/Too-Little-Sodium-Can-be-Harmful-to-Heart-Failure-Patients https://kids.britannica.com/students/article/salt/276870 https://www.tandfonline.com/doi/full/10.1080/02640414.2019.1633159 https://www.who.int/news-room/fact-sheets/detail/diarrhoeal-disease https://www.gssiweb.org/sports-science-exchange/article/sse-92-dietary-water-and-sodium-requirements-for-active-adults https://news.sanfordhealth.org/healthy-living/sodium-101-for-athletes/ https://www.thechefandthedish.com/post/12-types-of-salt-and-what-they-re-best-used-for https://seasalt.com/salt-101/gourmet-salt#sea-salt https://www.cambridge.org/core/services/aop-cambridge-core/content/view/7EA9159BBA14A4F571CEED5C83BE0270/S0954422496000170a.pdf/div-class-title-bioavailability-of-minerals-and-trace-elements-div.pdf https://www.selinanaturally.com/about-celtic-sea-salt This content is strictly the opinion of Dr. Josh Axe and is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of medical advice or treatment from a personal physician. All viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. Neither Dr. Axe nor the publisher of this content takes responsibility for possible health consequences of any person or persons reading or following the information in this educational content. All viewers of this content, especially those taking prescription or over-the-counter medications, should consult their physicians before beginning any nutrition, supplement or lifestyle program. Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

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0:10.4

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0:12.4

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0:15.0

If you think hydration is just about drinking water, then think again.

0:19.3

In this episode, I'll break down everything

0:21.7

you need to know and it's misunderstood in the world of hydration, including why electrolytes

0:27.6

matter just as much as water. Also, there's electrolyte packs that many of you are using.

0:32.7

Many of them are toxic and unhealthy for your body. I'll also be going through how salt is treasured for healing and for its healing properties

0:40.7

and that perfect ratio you need of sodium, of potassium, magnesium and calcium in order to heal

0:47.5

in order to be hydrated, have energy, and experience a health breakthrough.

0:52.2

Also, you'll learn how to assess your own hydration needs

0:55.7

and hear my personal story about what happened

0:58.6

when I tried to go without salt during a 21-day fast.

1:02.8

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