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.

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Tuesday, September 23, 2025

NBC Nightly News with Tom Llamas

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