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Longevity Starts in Your Brain with Kayla Barnes Lentz

Kayla is one of the world’s top female longevity experts. Kayla has been studying female longevity for over a decade and speaks all around the world on this topic.

Kayla has dedicated herself to the pursuit of preventive and regenerative methodologies aimed at optimizing female human health.

Kayla has shared her labs publicly and is one of, if not the most measured women in the world. 

Her endeavors have garnered international recognition from notable publications and she has been named a top longevity leader globally. 

Kayla has been featured in: Fortune, Forbes, Business Insider, The New York Post, MSN, Yahoo, The Telegraph, The Independent, The Daily Mail, The Guardian and more.

Kayla was also a co-founder in one of the country’s most innovative longevity medical clinics.


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In this powerful and practical episode, recorded live at a major biohacking conference, Jim sits down with longevity and health optimization expert Kayla Barnes to dive deep into the science of building a better brain. 

They explore everything from the basics—like sleep, food, movement, and stress reduction—to advanced biohacking tools and tests for optimizing cognitive performance and long-term brain health. Kayla shares her personal routines, supplement strategies, and the exact diagnostics she uses to track biological age, brain function, gut health, and toxic load.

You’ll learn why sleep is your brain’s ultimate detox system, how to fuel your body with nutrient-dense and why alcohol, stress, and blood sugar spikes could be silently sabotaging your mental clarity. The conversation also covers cutting-edge technologies and meditation tools.

Whether you’re just starting out or already deep in the world of biohacking, this episode is packed with actionable insights and tools to help you boost your brainpower, increase energy, and live longer—starting today.

/ / / Are you ready to take the next step on your brain optimization journey? / / /

Choose your own adventure. Below are the best places to start:

>>> Join Limitless Live 2025 in San Diego 8-10 December

>>> Discover Your Unique KWIK BRAIN C.O.D.E To Activate Your Genius

Take your first step by choosing one of the options above, and you will find everything you need to ignite your brilliant brain and unlock your exceptional life, allowing you to achieve and surpass all of your personal and professional goals.

Selected links from the episode:

Kayla’s Protocol

Female Longevity Community

TruDiagnostics

Podcast episodes you want to listen to next

Balancing Glucose for Better Brain Performance with Jessie Inchauspe 

Recover from Brain Injuries: Oxygen, Mitochondria & Supplements with Dr. Scott Sherr

The 80/20 Rule of Longevity: How to Extend Your Lifespan with Dr. Darshan Shah

Kayla Barnes Lentz

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**This week’s show notes are taken from the video — enjoy!**

[2:17] Longevity statistics can be overwhelming – here is how and where to start

[7:07] 3 crucial basics you need to start with now 

[9:15] These are Kayla’s non negotiable sleep tips

[13:25] How to determine what kind of nutrient tests you need to take

[17:47] Most important exercise markers and how to achieve them

[24:03] Kayla’s top cost effective brain biohacking tools 

Take a screenshot, tag us (@jimkwik & @kaylabarnes) and share your biggest takeaway.

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