Alex Fergus - Light Therapy Insiders

40 Episodes
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By: Alex Fergus

 My name is Alex Fergus, and I'm a health and technology geek providing in-depth, independent product reviews on the latest red light therapy devices. With over seven years of experience studying light therapy and having used and tested dozens of hundreds of light therapy products, you can be sure that I'll have a video to help you with your educational or product-buying needs. Test, review, compare, and study all things Red Light Therapy.Whether you're seeking out the best Red Light Body Panel or an LED Mask or simply trying to learn more about the complexities of Red Light, my Y...

Common Red Light Therapy MYTHS Debunked: New Science
#4
Today at 1:00 PM

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In this episode of Light Therapy Insiders, Ari joins me, Bart Wolbers, to unpack how red and near-infrared light interact with human biology, why mitochondria are central to health and aging, and where common assumptions about dosing, heat, and device performance break down.

Ari is the author of The Ultimate Guide to Red Light Therapy, recently released in a fully revised and expanded edition co-authored with Dr. Michael Hamblin—one of the most cited photobiomodulation researchers in the world. This conversation goes well beyond surface-level benefits and dives into mechanisms, controversies, and wh...


Red Light Therapy For Cognitive Performance EXCITING New Science
#3
01/31/2026

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🎙️ Episode Overview

In this episode of Alex Fergus – Light Therapy Insiders, Bart Wolbers sits down with Sarah Turner, neuroscientist and founder of SARAH Thrive, to explore how red and near‑infrared light therapy can be used not just to manage symptoms—but to elevate cognition, gut health, mood, and overall human potential.

Rather than focusing solely on illness, Sarah makes a compelling case for thriving, discussing how strengthening mitochondria, reducing inflammation, and supporting the gut–brain axis may unlock higher levels of brain performance a...


Kineon Move Plus 2.0 Big Upgrade Explained
#2
01/22/2026

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Alex sits down with Tom Sanderson, co-founder of Kineon, to talk through what’s new at the company — including the upcoming Move Plus 2.0, Kineon’s new modular roadmap (including Heel), and why the future of red light therapy may be heading toward app control, smarter targeting, and sensor-driven feedback.

Tom also shares Kineon’s broader vision for 2026 and beyond, including early prototypes of gut-focused wearables and potential technologies that could eventually help quantify changes in the body before and after a...


Red Light Therapy Wavelengths & Penetration
#1
01/19/2026

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How deep does red light therapy actually penetrate — and are we all underdosing? In this episode, I’m joined by Tom Kerber from SunPowerLED, a veteran electronics designer with decades of experience in high-power LED systems and photobiomodulation.

We break down the real-world physics of wavelength, power density, treatment area, and heat — and why many “rules” around dosing may be based on laser research that doesn’t translate well to LEDs. If you’ve ever wondered whether 660 vs 810 vs 1050 nm truly matters (and why bigger treatment areas often drive better results), this is the de...


Can Red Light Therapy Boost Fertility? Science Explained
#6
10/02/2025

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Can red light therapy really improve fertility in both men and women? In this episode, Bart Wolbers sits down with Forrest Smith, CEO of Kineon, to discuss groundbreaking research and real-world results on how light therapy affects PCOS, endometriosis, testosterone levels, and sperm health.

Show Notes

Fertility challenges affect millions worldwide — but new research shows red light therapy may offer a safe and effective tool for both men and women. We discuss how light influences inflammation, blood flow, hormones, and reproductive tissue health, and dive into in-house da...


Red Light & The Gut: Real Data, Real Stories
#5
07/09/2025

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In this episode, Bart Wolbers sits down with Forrest Smith, CEO of Kineon, live from the Health Optimization Summit in Austin, Texas. Forrest has spent years at the forefront of photobiomodulation technology, and today, he shares insights into one of the most exciting frontiers in wellness: light therapy and gut health.

Together, they explore the latest research linking red and near-infrared light to improved digestion, microbiome modulation, and overall gut function. Forrest also reveals details about Kineon’s upcoming gut-targeted light therapy device — one designed not just to relieve symptoms, but...


Brain Red Light Therapy: Neuroscientist's SECRETS!!
#4
05/31/2025

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Hi, I'm Alex Fergus. Welcome back to the show.

Today, I’m thrilled to bring you a follow-up interview with Dr. Randy Beck from the Institute of Functional Neuroscience in Australia. Our first conversation was one of the most popular—and yes, one of the most controversial—episodes we've ever done.

In this second deep dive, we once again explore the fascinating intersection of red light therapy and brain health. However, we must also step back to clarify some of the bold c...


SYMBYX Biome: SCIENCE-BACKED Parkinson's Light Therapy Tech!
#3
03/17/2025

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For years, scientists have explored a fascinating idea—treating the gut to influence the entire body, particularly the nervous system. They discovered that when rats were given Parkinson’s disease and then treated with infrared light on the abdomen, their symptoms improved. This research highlights how powerful the gut is in neurology and its connection to the heart and even renal disease.

Today, Bart, my colleague and the scientist behind LightTherapyInsiders.com, sat down with Wayne Mark...


Vielight's Brain Photobiomodulation: Unique Application Method!
#2
01/30/2025

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Welcome back to the show!

Today, I’m sitting with Austin from Vielight—Vielight Photobiomodulation Therapy | At-Home Brain Photobiomodulation. Austin has been with the company for a long time and knows this technology inside and out.

I caught up with him at PBM 2024 in London, where we discussed Vielight’s latest innovations, the science behind red light therapy, and its impact on the brain.

In this episode, we’ll break down Vielight’s unique dosing approach for brain-focused devices—why they’re designed th...


Laser Vs LED Light: PowerMedic For MAXIMUM Penetration?!
#1
01/14/2025

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In today’s episode, I speak with Arne Grinsted from PowerMedic, a pioneer in red light therapy with over 40 years of experience. 

We explore the differences between LEDs and lasers, Arne's transition from 900 nm to 808 nm light, and his fascinating journey in helping create over 500 "laser babies." 

Arne also shares insights into the benefits of red light therapy for fertility and his thoughts on PowerMedic’s meticulously crafted products. Let’s dive into this enlightening conversation!

Thanks for listening!

Disclaimer: Information shared is not medical advice...


NovoThor Red Light Therapy Bed: INCREDIBLE Product! Episode
#34
11/04/2024

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"Welcome to today's episode, where we're shining a light on the cutting-edge world of red light therapy beds. Josh Grey joins me from Thor Laser, who's here to demystify the science and technology behind these powerful wellness tools.

Many people think red light therapy is as simple as shining light on your body three times a week. But as you'll discover today, there's much more to the story. Josh pulls back the curtain on what makes the Novor bed revolutionary in the market, from its precise wavelength combinations of 660 and 850 nanometers...


Kineon's HEAL+ And MOVE+ For A Gut-Brain Axis UPGRADE!?
#33
10/28/2024

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"Welcome to today's episode where we dive deep into the fascinating world of photobiomodulation and red light therapy. I'm sitting down with Aaron from Kineon, who is heavily involved in PBM research and development.

In this illuminating conversation, we'll explore the evolution of light therapy devices, from LEDs to lasers, and uncover why gut-targeted treatment might be the next frontier in this field. Aaron shares some surprising insights about how light therapy on one part of the body can affect another, and we'll discuss the unexpected cognitive benefits researchers are discovering.<...


Red Light Therapy For Brain Injury & Function: EPIC Science!
#32
10/15/2024

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I recently had the pleasure of sitting down with Tom Kerber from SunPowerLED at PBM 2024, and let me tell you, this conversation is not one to miss. Tom's expertise and passion for his field caught my attention immediately, and I knew I had to bring his insights to our listeners.

In this episode, we'll dive deep into the ongoing debate of LEDs versus lasers in light therapy. Tom shares his expert opinion on which technology he believes has the edge. We'll also explore the fascinating world of light pulsing, with a...


CERA: Light For UPGRADING Your Brain & Gut Health Link!
#31
10/09/2024

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Today, we're joined by Sarah Turner, the innovative force behind Cerathrive. Sarah has just launched her exciting new product, Cera Thrive, and she's here to share her latest discoveries.
 
From groundbreaking research on brain health and red light therapy to an upcoming course in France (available online too!), Sarah's insights are reshaping our understanding of wellness. We'll explore fascinating topics like how body fat affects red light therapy, the surprising impacts of this therapy on the brain, and the most recent scientific findings on its mechanisms. 


Th...


Professor Hamblin Interview: Red Light Science DEEP DIVE!
#30
10/02/2024

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Welcome to today's episode, where I sit down with Professor Michael Hamlin, a leading expert in red light therapy. With years of experience, multiple publications, and deep involvement in product development, he is a go-to authority in this field. 

In this interview, we explore key topics like how red light therapy works, contact vs. non-contact treatments, dosing, full-body vs. targeted approaches, and much more. If you're curious about red light therapy's benefits and best practices, you won’t want to miss this insightful conversation. Let's dive in!

Thanks for lis...


Circadian Rhythm As Health GAME-CHANGER!
#29
09/10/2024

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Today, we are diving into the fascinating world of light therapy and its impact on our health and well-being. Joining us is the CEO and founder of Block Blue Light, Daniel Ebbett. 

In this episode, we'll be exploring the science behind red light therapy, the importance of circadian rhythms, and the role of blue light in our sleep patterns. 

Get ready for an enlightening conversation that goes beyond the surface level and delves into the intricate relationship between light and our bodies.Let's jump right in and hear what Da...


Red Light Therapy For Eye Health: The MASSIVE Science!
#28
09/04/2024

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Today, we're diving into red light therapy and its impact on eye health—specifically, eye safety when using it. We'll cover all the essentials you need to know about protecting your eyes while reaping the benefits of red light therapy.

Joining me is Bart Wolbers, the mastermind behind this channel and Light Therapy Insiders. Bart is the researcher and writer of some truly amazing content, and recently, he took a deep dive into this very topic. In fact, his latest blog article on eye health and red light therapy spans an im...


Red Light Rising: NEW Products & GREAT Red Light Tips!!
#27
09/02/2024

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Hey everyone! Today, I had the pleasure of catching up with one of the co-founders of Red Light Rising, Bryan Gohl. Red Light Rising has been a key player in the red light therapy space for quite a while now. I first connected with them at the Health Optimization Summit in London years ago. Fast forward five years, and here we are again, back in London at the same summit—and guess who’s here? Red Light Rising and their fantastic team.

I pulled Bryan aside to discuss all things Red Ligh...


PRO RLT: Start Your Own Red Light Therapy Business!
#26
08/28/2024

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Podcast Introduction:

Welcome to the show! This episode is for you if you've ever considered integrating red light therapy into your commercial space—whether it's a gym, biohacking center, or physiotherapy clinic. Today, I'm chatting with Cameron Kuechler from Pro RLT, a company specializing in providing red light therapy products tailored to businesses. Pro RLT operates with a B2B model, offering products designed for high-usage environments where multiple people might use them back-to-back.

But they don't just stop at selling products—they also assist with setup, prov...


Red Light Therapy For Anti-Aging: The EXCITING Science!
#25
08/13/2024

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In this captivating podcast episode, I sit down with James Carroll, a renowned expert in the field of red light therapy (or photobiomodulation as he calls it). With Caroll's extensive experience and deep passion for the subject, this conversation offers a fascinating exploration of the science and potential benefits behind this emerging health technology.

James Carroll shares his insights on the role of red light therapy in human longevity, drawing from his expertise and the latest research in the field. The discussion delves into the science behind photobiomodulation, shedding light on...


Kineon Update: MASSIVE Upcoming Products & More
#24
08/05/2024

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In this podcast,  I interview Forrest Smith, co-founder of  Kineon.

If you haven’t already listened to it, check out the podcast where I interviewed Forrest in 2023. (links below)

We were both at the Health Optimisation Summit 2024 in London and caught up with each other “live.” 

We discussed red light therapy, upcoming developments in the field, and some interesting research. We talked about various new products that Kineon is about to launch.

âś… To get a 10% discount on a Move+ Pro from Kineon, use...


FlexBeam: Upgraded Health & Athletics Spot Treatments! (2024)
#23
07/24/2024

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In this podcast, I interview the CEO and co-founder of Recharge Health, Dr. Bjorn Ekberg.

The FlexBeam red light therapy product by Recharge Health is popular. Dr. Bjorn Ekberg has a PhD in the philosophy of science and has written many books on physics and cosmology. His career led him to explore the captivating world of red light therapy.

We’ll discuss the FlexBeam product and the fascinating world of red light therapy. Navigate the complexities of optimizing red light therapy as we dive into continuous versus pu...


Therasage: Light For Wellness & Healing Support! (2024)
#22
07/23/2024

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This interview is with Robby Besner, founder of Therasage. Robbie, a longtime advocate for natural health and wellness, discovered the healing benefits of infrared and red light therapy when a family member was diagnosed with Lyme disease. This discovery inspired him to create Therasage. 

We discuss the history of Therasage and look at some of its unique wellness products.

âś… Grab a Therasage product such as the Tri-Lite or Theraplex at the following link: https://aferg.co/therasage - discount code ALEXFERGUS saves

Thanks for listening!


Ultimate Guide To New Mito Red Light Products!! (2024)
#21
07/21/2024

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In this podcast, I interview Scott from MitoRed Light Therapy in his office in Arizona, USA.

MitoRed offers a wide range of products, including hair products, brain products, pet products, and panels of various sizes. Their range is quite impressive. During the interview, we explore the backstory and cool features of these innovative products. We’ll discuss the red light therapy industry, and I’ll share some personal insights.

âś… For a Mito Red panel or other product, use this link and code ALEX5: https://aferg.co/7d221

Thanks...


Kineon CEO Forrest Smith Interview: Revolutionary Tech. (2023)
#6
07/19/2024

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In this podcast, I interview Forrest Smith, the CEO and co-founder of Kineon. 

We discuss dosing, look at what the light is doing deep in a joint, and discuss why they’ve chosen to use a combination of LEDs and lasers. 

Why might a small product like this be better than a large panel? Are you interested in hearing us geek out on some science and upcoming products? Take a seat and unwind while you listen.

Here is a link to my review of Kineon Move+: https://yout...


Kineon's Sanderson: STUNNING Red Light Innovations (2023)
#7
07/19/2024

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In this podcast, I interview Thomas Sanderson, the COO and co-founder of Kineon.

Thomas Sanderson and Forrest Smith launched their Move+ product through crowdfunding on Indiegogo, and now they have a great red light therapy for joint products. Other products, such as those for gut health and for the vagus nerve, are also upcoming, as is another product for brain health.

Here is a link to my review of Kineon Move+: https://youtu.be/0hzyu1dNtf0?si=HusXXbpBlCava5z4

I missed one feature during my review. The...


CeraThrive CEO: Brain-Gut Axis And Red Light Therapy! (2023)
#9
07/18/2024

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Red light therapy is more than panels and face masks. Although the science shows skin health benefits and joint recovery, what about the impact on the brain and gut health? 

In this podcast, I discuss these topics more with Sarah Turner.

Sarah has an interesting background. She started out as a pharmaceutical scientist and is now the founder of CeraThrive. She is passionate about light biology and how it affects our health. 

âś… Get the CeraThrive CERA product here, which is FDA-approved for the brain-gut axis: https://aferg.co/c...


810nm Wavelength Health Effects: Guru Spills ALL Beans (2023)
#10
07/18/2024

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In this podcast: I interview Bart Wolbers, who specializes in red light therapy research. 

Did you know that there’s more research on 810nm light than 850nm light, yet most products today use 850nm. We are going to do a thorough analysis of the fantastic health benefits of 810nm.

Here’s the article we are discussing: The original 810nm wavelength blog post: https://www.alexfergus.com/blog/810-n...

Below, you´ll find all the products I mentioned in this 810nm red light therapy wavelength interview:

âś… Lightpat...


THOR CEO James Carroll On Red Light Therapy (2023)
#11
07/18/2024

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In this podcast, I interview James Carroll, the CEO and founder of Thor Photomedicine. 

James has been in the industry for over 30 years. He has read many papers and provided hundreds, if not thousands, of presentations. James runs a highly regarded course on photobiomodulation. He works with some of the world’s leading medical centers and universities and the US Special Forces used his research. 

We discuss so much in this interview.  


âś… For the NovoTHOR red light therapy bed check this link, as well as NovoTHOR locatio...


Neuroscientist Dr Beck: Brain Light Therapy SECRETS. (2023)
#12
07/17/2024

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In this podcast, I interview the neuroscientist Dr Randy Beck. 

He discusses the links between photobiomodulation or laser therapy and neuroplasticity. Dr Beck provides one of the best overviews of how light therapy works in the body. He also talks about using a targeted approach when using light therapy in the brain and also the one scan that you must do before using laser therapy on the head.

 Dr Beck shares some amazing stories about how he has seen incredible changes in people’s brain conditions using DC current and...


LightpathLED Kennedy Interview: Red Light CEO Tells ALL. (2023)
#13
07/17/2024

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In this podcast, I interview Scott Kennedy, founder of Lightpath LED.

Scott is extremely passionate about red light therapy. He consistently releases innovative products and is deeply involved in the science of red light therapy. We discuss many topics. 

âś… For any of Lightpath LED's products, use code ALEX and get 5% off with the following link: https://aferg.co/lightpathled

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.lighttherapyinsiders.com/red...


Dr Lew Lim Interview: Red Light For The Brain Science (2023)
#14
07/17/2024

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In this podcast, I interview Dr Lew Lim, the founder of Vivelight. 

Vivelight specializes in medical-grade photobiomodulation devices, which are highly regarded for treating brain disorders and improving cognitive function.

âś… Grab a Vielight product here and use discount code ALEX10 for 10% off: https://aferg.co/vielight



Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.lighttherapyinsiders.com/red-light-therapy-discount-codes-deals-recommendations/

· Check out my YouTube Channel fo...


Lumaflex Body Pro CEO Graham: Red Light INNOVATION, AND...MORE (2023)
#15
07/17/2024

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In this podcast, I interview John Graham, founder and CEO of Lumaflex Body Pro

We talk about his brand new flexible waterproof red light therapy pad, how it’s beneficial for not only athletes but also the general population, and some exciting new products. 

âś… If you want to grab a Lumaflex, click here: https://aferg.co/lumaflex - try discount code ALEXFERGUS

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.l...


Liam Pingree Interview: Brain Light Innovator's Revelations (2023)
#16
07/17/2024

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In this podcast, I interview Liam Pingree, co-founder of Neuronic.

Neuronic sells red light therapy headsets that people have had extraordinary results with. Liam shares his interesting journey of entering the red light therapy field and some exciting products and developments. 

✅ For a Neuradiant 1070 use discount code ALEXF5 and the following link: https://aferg.co/neuradiant 

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.lighttherapyinsiders.com/red-light-therapy-discount-codes-deals-recommendations/

· Check...


Clearlight Sauna CEO Kettelhodt: Red Light & Saunas. (2023)
#17
07/17/2024

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In this podcast, I interview Johannes Kettelhodt, founder and CEO of Clearlight Sauna International. 

Clearlight is an infrared sauna company tapping into the benefits of red light therapy. Johannes has a background in engineering. We discussed the benefits of sauna therapy, red light therapy, and the benefits of both combined. 

âś… Clearlight Saunas discount is for Australia and New Zealand only. Mention Alex Fergus for one of the best-infrared saunas on the market - and use this link: https://aferg.co/Clearlight-AUS

Thanks for list...


Weber Medical Laser Watch: REVOLUTIONARY Endolight®? (2023)
#18
07/17/2024

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In this podcast, I interview Kaan Tasarsu from Weber Medical. 

Weber Medical is a medical device company introducing its new consumer line of products. We discuss its wearable product, the Endolight, other products, the company history, and more. 

âś… If you want a Weber Endolight, use discount code ALEX and the following link: https://aferg.co/weber

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.lighttherapyinsiders.com/red-light-therapy-discount-codes-deals-recommendations/

· Check out my


Unleashing Your Beauty: Solawave´s Silberstein Interview! (2024)
#19
07/17/2024

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In this podcast, I interview Andrew Silverstein, co-founder and CEO of Solawave

Solarwave is a company that produces the popular solar wave wand. We’ll discuss this product, some of their other products, Andrew’s unique background, and how he ended up in the red light therapy space.

 ✅ Grab a Solawave here: https://aferg.co/solawave - no discount code available!

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit my website: https://www.lighttherapyinsiders.com/red-lig...


Sauna Space Brian Richards: Red Light & Sauna COMBINED. (2023)
#8
07/08/2024

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A common question I receive is whether combining red light therapy and infrared sauna is beneficial. Should we combine them, or should we separate them for optimal benefit?

In this podcast, I interview Brian Richards. Brian is the CEO and founder of Sauna Space, a company that has developed a revolutionary method of combining the benefits of red light therapy and sauna. Their approach is one of the most natural ways to achieve these benefits.


âś… If you want a Sauna Space sauna, such as the Luminati or Faraday, cl...


Chroma Founder: Is More Red Light Therapy Power Better? (2023)
#5
07/05/2024

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In this podcast, I interview Michael Shapiro, founder of Chroma. He runs the company Advanced Human Engineering and is a NASA Air Force and MDA-funded engineer.

We discuss dosing power outputs, why he likes more power, why he prefers NIR wavelengths over red wavelengths, and much more.

We go beyond red light therapy and explore the world of UV-generated vitamin D light. We also examine circadian rhythm.

Video of interview: https://youtu.be/kSRwS7tujM0?si=CVV4NpbH2lPWUy43

âś… Get a Ch...


MitoRed Light Scott Chaverri Interview: CEO Explains All. (2023)
#1
07/01/2024

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In this podcast, I talk to Scott Chiaveri, the founder and CEO of MitoRed Light. We'll discuss how he’s launching a product with lasers, why he thinks panels don’t need additional power, how green light is not always green light, and why his products don’t use pulsing.

Listen to the end because he gives me some criticism about my video reviews. I think you might enjoy that.

Thanks for listening!

Disclaimer: Information shared is not medical advice.

For the latest discounts, please visit...