The Power of Light
How Red Light Therapy Supports Recovery, Energy and Healthy Ageing
From elite athletes and wellness clinics to celebrities and longevity enthusiasts, Red Light Therapy has become one of the fastest-growing trends in health optimisation.
But unlike many wellness fads, Red Light Therapy is backed by decades of research.
At Eterna Wellness Lab, we use an industry-leading Full Body Red Light Therapy Bed, featuring over 41,000 LEDs and five clinically relevant wavelengths (633nm, 660nm, 810nm, 850nm and 940nm) designed to support skin health, recovery, energy production and overall wellbeing.
So what exactly is Red Light Therapy, how does it work, and why are so many people making it part of their weekly wellness routine?
What Is Red Light Therapy?
Red Light Therapy, also known as Photobiomodulation (PBM), uses specific wavelengths of red and near-infrared light to stimulate cellular function.
Unlike sunlight, tanning beds or UV light, Red Light Therapy does not damage the skin or cause tanning.
Instead, carefully selected wavelengths of light penetrate the skin and underlying tissues where they interact with the mitochondria — often referred to as the powerhouses of the cell.
The result?
Your cells may become more efficient at producing ATP (adenosine triphosphate), the energy currency that powers virtually every process in the body.
Think of it as helping your cells recharge their batteries.
Why Do Different Wavelengths Matter?
Not all red light devices are created equal.
Our Optimal Health bed combines five scientifically selected wavelengths:
• 633nm and 660nm red light help support skin health, collagen production and circulation.
• 810nm, 850nm and 940nm near-infrared light penetrate deeper into muscles, joints and connective tissues.
This combination allows treatment of both surface-level and deeper tissues simultaneously, making full-body treatments far more comprehensive than many at-home devices.
How Does Red Light Therapy Work?
Research suggests red and near-infrared light interact with mitochondria to increase cellular energy production.
Scientists believe this process may:
• Support ATP production
• Improve cellular repair processes
• Support healthy inflammatory responses
• Increase circulation
• Stimulate collagen production
• Support recovery after exercise
• Promote tissue regeneration
This is why Red Light Therapy is increasingly being used across wellness, sports recovery, aesthetics and longevity clinics worldwide.
Why Is Red Light Therapy So Popular Right Now?
The biohacking and longevity movement has helped push Red Light Therapy firmly into the mainstream.
High-profile figures including longevity entrepreneur Bryan Johnson regularly incorporate photobiomodulation into their recovery and anti-ageing protocols.
Professional sports teams, recovery clinics and performance centres now commonly use Red Light Therapy as part of broader recovery programmes aimed at helping athletes train more consistently and recover more effectively between sessions.
The appeal is simple.
It's non-invasive.
It's painless.
It's relaxing.
And the growing body of research is increasingly difficult to ignore.
What Does The Research Say?
Red Light Therapy and Skin Health
One of the most well-studied benefits of Red Light Therapy is its impact on skin health.
Research suggests red light may stimulate fibroblasts — the cells responsible for producing collagen and elastin — helping support skin texture, elasticity and overall appearance.
Many clients report improvements in skin brightness, texture and overall glow after regular treatments.
Red Light Therapy and Recovery
This is one of the reasons athletes love it.
Research has shown photobiomodulation may support muscle recovery, reduce exercise-induced muscle damage and help restore muscle function following training.
While Red Light Therapy isn't a substitute for good nutrition, sleep and recovery habits, it may help support the body's natural repair processes.
Red Light Therapy and Inflammation
Emerging evidence suggests red and near-infrared light may influence inflammatory pathways and cellular signalling mechanisms involved in tissue repair.
This is one reason Red Light Therapy is increasingly used for joint comfort, recovery and overall wellness support.
Red Light Therapy and Sleep
One of the most exciting emerging areas of research involves sleep quality.
A recent systematic review examining whole-body photobiomodulation found encouraging evidence for improvements in sleep quality among participants receiving regular treatments.
Many Eterna members describe feeling calmer, more relaxed and sleeping better after an evening session.
Common Questions About Red Light Therapy
Does Red Light Therapy Use UV Light?
No.
Red Light Therapy uses red and near-infrared wavelengths and contains no UV radiation.
Unlike sunbeds, it does not tan the skin and is not designed to create UV-related skin damage.
What Does A Session Feel Like?
Most people describe Red Light Therapy as warm, relaxing and restorative.
There's no pain, no needles and no recovery time.
Many members simply lie back, close their eyes and enjoy 15 minutes of uninterrupted relaxation.
How Long Is A Session?
At Eterna, a typical full-body Red Light Therapy session lasts approximately 15 minutes.
How Often Should You Use Red Light Therapy?
Consistency matters more than intensity.
Most research protocols and wellness practitioners recommend multiple sessions per week to achieve the best results.
Is Red Light Therapy Safe?
Red Light Therapy has an excellent safety profile when delivered using appropriate wavelengths and protocols.
It is non-invasive, drug-free and generally very well tolerated.
Can Red Light Therapy Help You Lose Weight?
This is one of the most common questions online.
While some studies have explored body composition and fat loss, current evidence is not strong enough to consider Red Light Therapy a fat-loss treatment. Its greatest support lies in recovery, skin health, cellular function and wellbeing.
Why We Chose The Optimal Health Red Light Therapy Bed
At Eterna, we wanted more than a face mask or small panel.
We wanted a professional-grade, full-body system capable of delivering consistent light exposure across the entire body.
The Optimal Health Red Light Therapy Bed uses over 41,000 LEDs and five targeted wavelengths to provide head-to-toe photobiomodulation in just 15 minutes.
For many of our members, it's become part of their weekly wellness ritual alongside sauna, cold plunge and Hyperbaric Oxygen Therapy.
The Bottom Line
Most people spend their lives under artificial light.
Red Light Therapy allows you to intentionally expose your body to specific wavelengths that research suggests may support recovery, skin health, cellular energy production and overall wellbeing.
No discomfort.
No downtime.
Just 15 minutes of light, delivered with purpose.
Whether you're looking to support recovery, improve your skin, optimise your wellness routine or simply carve out a moment of calm in a busy week, Red Light Therapy is one of the easiest and most relaxing ways to invest in your health.
Experience full-body Red Light Therapy at Eterna Wellness Lab and discover why some people call it the closest thing wellness has to a time machine.
