Jason Yun
Improvement Warrior Podcast
The Improvement Warrior Podcast is hosted by Jason Yun. A former gym owner, food & exercise guru who has literally seen the light. Influenced since 2018 by the work of Dr. Jack Kruse and jumping into his teachings and becoming a Mitochondriac. Circadian Biology rules the roost for health. Yun will dig deep into the power of light, water, magnetism, cold thermogenesis, mindset, sleep, food and exercise. And attempt to translate the work of Dr. Jack Kruse into something you can understand and implement into your life. "Your Light Envionment is more Important than Food Or Exercise."
Author
Jason Yun
Category
Podcast website
Latest episode
Jun 27, 2026
Where to listen?
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Episodes
No Sunscreen Ever? Dermatology vs. Circadian Biology – Why One Expert Says Ditch SPF for Good: Sunscreen Part 2 Unknown Death Causers Part 8 | Improvement Warrior Podcast Episode 88 27.06.2026 2:15:14
No Sunscreen Ever? Dermatology vs. Circadian Biology – Why One Expert Says Ditch SPF for Good: Sunscreen Part 2 Unknown Death Causers Part 8 | Improvement Warrior Podcast Episode 88 Should you never wear sunscreen again? In this episode, we explore Jason Yun’s powerful Substack argument — 'No Sunscreen Ever? Dermatology vs. Circadian Biology.' While mainstream dermatology insists on daily SPF to p...
Spring Break Florida Recap & Random Thoughts | Improvement Warrior Podcast Episode 87 24.04.2026 1:12:14
Spring Break Florida Recap & Random Thoughts | Improvement Warrior Podcast Episode 87This podcast goes over my spring break trip from late March to Early April 2026 down in Florida. 4.5 beach days and 2 Disney days, and a tripto Iowa to pick a new fury friend ;)I cover my routine while down there, sunglasses, current events, the moon landing, a new thing I've been doing for my fascia, and...
Energy = Clocks & Magnetism Over Calories | Improvement Warrior POdcast Episode 86 20.03.2026 1:36:04
Energy = Clocks & Magnetism Over Calories | Improvement Warrior POdcast Episode 86 Welcome to a transformative episode where we delve into the profound effects of circadian rhythms on our overall health and well-being. Are you tired of the endless cycle of fad diets and workout plans? Discover the secrets of your body’s natural clock and unlock a holistic path to real energy. We'll explore...
Why carbs are bad in winter | Improvement Warrior Podcast Episode 85 11.02.2026 56:51
Why carbs are bad in winter | Improvement Warrior Podcast Episode 85 Welcome to today's episode, where we unravel the complex relationship between carbohydrates and your health during the chilly winter months. Are you among those who fill up on carbs when the temperature drops, thinking they'll keep you warm and energized? Tune in as we explore how this common winter habit might be doing m...
10 Quick Health Tips for 2026 | Improvement Warrior Podcast Episode #84 08.01.2026 28:12
10 Quick Health Tips for 2026 | Improvement Warrior Podcast Episode #84 Beyond the Basics: Surprising Tips for Holistic Health Welcome to the latest episode of our podcast, and sorry for the long hiatis between shows. Today we dive deep into the often overlooked factors that can make or break your health journey. Have you ever felt like you're doing everything right but still not achieving opt...
My personal failings with the time change + Documentary on Digital ID and more | Improvement Warrior Podcast Epsidoe 83 22.11.2025 29:01
My personal failings with the time change + Documentary on Digital ID and more | Improvement Warrior Podcast Epsidoe 83 Welcome to episode 83 of the Improvement Warrior podcast! I'm your host, Jason Yun, here to empower you as a health advocate in a world full of changing health paradigms. In today's episode, I wanted to talk about my failures with the time change in terms of my eating and...
Daylight Saving Time Sucks |Improvement Warrior Podcast Episode 82 22.10.2025 1:11:31
Daylight Saving Time Sucks | Improvement Warrior Podcast Episode 82 Daylight Saving Time Sucks |Improvement Warrior Podcast Episode 82 Introduction In this fascinating episode, we dive into a timely topic that affects millions but is rarely dissected: daylight saving time. More than an inconvenience, this biannual time shift can have serious repercussions on your health. We'll explore how it d...
Penis Enlargement Explored With Dr. Joel Pash | Improvement Warrior Podcast Episode 81 07.10.2025 45:09
Penis Enlargement Explored With Dr. Joel Pash | Improvement Warrior Podcast Episode 81 Welcome to "Penis Enlargement Explored With Dr. Joel Pash" where we shatter misconceptions and uncover the facts about a topic steeped in mystery. In this episode, we navigate the evolving landscape of penile enhancement, exploring motivations from confidence boosts to aesthetic desires. Discover the p...
Summer Sun Log | Improvement Wariror Podcast Episode 80 07.09.2025 21:21
Summer Sun Log | Improvement Wariror Podcast Episode 80 Welcome to a world where sunlight isn't just a source of warmth but a beacon of wellness. In this episode, we delve into the captivating journey of myself, Jason Yun, who's mastered the art of harmonizing with the sun's cycles. This podcast I go into my Summer Sun Log (Winter Sun Log was episode 71). In "Summer Sun Log, Episo...
Blue light part 1: Unknown Death ☠️ Causers part 7: Improvement Warrior podcast episode 79 25.08.2025 1:14:48
Blue light part 1: Unknown Death ☠️ Causers part 7: Improvement Warrior podcast episode 79 Show Notes and resources page: http://www.improvementwarriorfitness.com/bluelightwebinar Welcome to "blue light part 1, unknown death causers part 7 : Improvement Warrior podcast episode 79" the podcast that sheds light on how the technological advances of modern life impact our health. Today, w...
10 Beginner Circadian Health Tips | Improvement Warrior Podcast Episode 78 25.07.2025 22:32
10 Beginner Circadian Health Tips | Improvement Warrior Podcast Episode 78 Hey, Improvement Warriors! Today, we're diving into a concise yet impactful session: 10 wellness tips in just 10 minutes! If you’re curious about circadian health, want to get back in sync with nature, or simply need a spark to light your wellness journey, this episode is for you. Join us as we explore the transformativ...
34 Things I have learned on my Dr. Jack Kruse Journey | Improvement Warrior Podcast Episdoe 77 26.06.2025 39:39
🎙 Welcome to the Improvement Warrior Podcast, Episode #77! 34 Things I have learned on my Dr. Jack Kruse Journey Hey Improvement Warriors, this is Jason Yun welcoming you back to another exciting episode of the Improvement Warrior Podcast. If you're new here, we delve into alternative health, exploring topics beyond traditional fitness and nutrition, with a keen focus on mitochondria and circa...
Key Takeaways from My Loiusville, KY Mastermind Meeting | Improvement Warrior Podcast Episode 76 10.06.2025 41:41
Key Takeaways from My Loiusville, KY Mastermind Meeting | Improvement Warrior Podcast Episode 76 Welcome to this episode of "Key Takeaways from My Loiusville, KY Mastermind Meeting," where we explore the key takeaways that I learned and want to impart to my listenerers. This episode delves into how embracing natural light, mitohacking/biohacking, getting out of your comfort zone and meet...
Circadian Biology Part 4: Light, Water, Magnetism | Improvement Warrior Podcast Episode 75 18.05.2025 2:07:26
Circadian Biology Part 4: Light, Water, Magnetism | Improvement Warrior Podcast Episode 75 Welcome to the "Nature's Prescription for Optimal Wellness" podcast. In today's episode, we navigate the transformative power of light, water, and magnetism—nature's ultimate trio for health and vitality. Are you feeling disconnected from your natural rhythms, caught in the whirl of mod...
Blue Sync Sunglasses From Ra Optics & Matt Maruca | Unknown Death Causers Part 6: Sunglasses Part 3 | Improvement Warrior Podcast Episode 74 24.04.2025 44:17
Blue Sync Sunglasses From Ra Optics & Matt Maruca | Unknown Death Causers Part 6: Sunglasses Part 3 | Improvement Warrior Podcast Episode 74 Welcome to our latest episode where we delve into the intriguing Blue Sync controversy surrounding UV light and eye health. Join us as we explore why this debate, ignited by Matt Maruca and his Ra Optics Blue Sync sunglasses, has sparked heated discussion...
The Great Starvation Diet From Ancel Keys | Improvement Warrior Podcast Episode #73 14.04.2025 23:50
The Great Starvation Diet From Ancel Keys | Improvement Warrior Podcast Episode #73 This podcast is from when I was in Toastmasters and gave my talk on the Great Starvation Diet and calories. I added a little bit from a circadian perspective since the talk was before 2018 when I started learning the teachings of Dr. Jack Kruse. Summary Highlight Points Eating nutrient-rich foods can lead to health...
Sun Cosmetics: Circadian Biology Webinar Part 3 | Improvement Warrior Podcast Episode #72 06.04.2025 50:08
Sun Cosmetics: Circadian Biology Webinar Part 3 | Improvement Warrior Podcast Episode #72 This podcast is the preview episode of my Premium Improvement Warrior University webinar: Circadian Biology Webinar part 3: Sun Cosmetics. Sun cosmetics are one of the biggest issues in people NOT getting enough sun. And not getting enough sun is one of the biggest risk factors for modern man diseases. We go...
Winter Sun Log | Improvement Warrior Podcast Episode 71 11.03.2025 25:57
Winter Sun Log | Improvement Warrior Podcast Episode 71 In today's episode, we dive into the fascinating world of alternative health practices, focusing on the transformative power of sun and cold exposure. Jason shares personal insights from his wintertime sun and cold exposure log, highlighting the crucial role of these natural elements in maintaining optimal health. We'll discuss the im...
The Sun: Circadian Biology Webinar Part 2 | Improvement Warrior Podcast Episode 70 09.02.2025 42:50
The Sun: Circadian Biology Webinar Part 2 | Improvement Warrior Podcast Episode 70 The Hidden Dangers of Mainstream Healthcare: Why Circadian Rhythm and Vitamin D Matter More Than You Think In this episode, we delve into my Circadian Biology Part 2 The Sun webinar preview. We are repeating a lot of information over and over again but it needs to penetrate your soul so we start the Sun revolution a...
Dr David Martin's European Parliment Address | Improvement Warrior Podcast Episode 69 02.02.2025 35:57
Dr. David Martin's European Parliment Address | Improvement Warrior Podcast Episode 69 In this episode of the Improvement Warrior Podcast, we are thrilled to present a thought-provoking dialogue with Dr. David Martin. Through an in-depth analysis of Dr. Martin's riveting address to the European Parliament, we explore the intricate web of truths and fabrications surrounding the coronavirus...
Circadian Biology Part 1 Webinar | Improvement Warrior Podcast Episode 68 26.01.2025 32:00
Circadian Biology Part 1: Our Internal Clock That Runs With The Earth is The Most Powerful Thing For Our Health | Improvement Warrior Podcast Episode 68 Circadian Biology Part 1: Our Internal Clock That Runs With The Earth is The Most Powerful Thing For Our Health Key Takeaways: Importance of Circadian Biology: Essential for overall health and well-being. Internal clocks in the body, brain, heart,...
Hormonal Harmony: Endocrinology basics from a non-endocrinologist | Improvement Warrior Podcast Episode 67 16.01.2025 1:46:38
Hormonal Harmony: Endocrinology basics from a non-endocrinologist | Improvement Warrior Podcast Episode 67 Unlock the mysteries of your body's hormonal balance with our latest podcast episode that delves into how the endocrine system orchestrates your overall well-being. Discover the crucial roles hormones like cortisol, leptin, and pregnenolone play in stress management, appetite regulation, and...
Unlocking Your Brain's Potential: The Epi-Paleo Diet | Improvement Warrior Podcast Episode 66 16.12.2024 1:11:10
Unlocking Your Brain's Potential: The Epi-Paleo Diet Podcast Breakdown 🎙️ This is the FULL Epi-Paleo Diet Webinar Part 1, episode 42 just had the first part--sorry.... Welcome, Improvement Warrior! Jason Yun is here for episode 66 of the Improvement Warrior podcast. 🚀 This episode dives deep into alternative approaches to health, focusing on epigenetics, circadian biology, mitochondria, and hormo...
Cold as Hell: Fuck Blue Lit Gyms & Kick Ass Daily | Improvement Warrior Podcast Episode 65 26.11.2024 14:45
Welcome to the "Improvement Warrior Podcast Episode 65, where we get into the nitty-gritty of creating sustainable habits and supercharging your mitochondrial performance. In this episode, we're talking about cultivating the right mindset and leveraging natural forces like cold exposure and sunlight to completely overhaul your well-being. Join us as we dish out the no-nonsense secrets to crushing...
The Body Charge Podcast Guest Appearance | Improvement Warrior Podcast Episode 64 22.11.2024 45:00
The Body Charge Podcast Guest Appearance | Improvement Warrior Podcast Episode 64 Welcome to another episode of Improvement Warrior Podcast. This podcast was a guest spot I did on The Body Charge Podcast, where we delve into the transformative power of holistic wellness. Today, we're thrilled to explore the profound impact of circadian rhythms on our sleep quality with host Sandy Sanderson and spe...
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