What is Photobiomodulation (PBM)?
Photobiomodulation therapy – also sometimes called low level laser therapy, cold laser therapy, or red light therapy – is a non-invasive treatment that uses red and near-infrared light sources to encourage your body to regenerate and repair at the cellular level.
What Are Mitochondria?
Every cell in your body contains tiny powerhouses called mitochondria, and when they underperform, everything suffers.
Photobiomodulation therapy uses specific wavelengths of red and near-infrared light to communicate directly with your cells’ mitochondria. These wavelengths, typically between 600 and 900 nanometres, penetrate beneath the skin’s surface to reach the cellular structures responsible for energy production.
Do any of these feel familiar?
- Chronic fatigue that won’t lift
- Joints that ache despite rest
- Mental fog that clouds your sharpest moments
If so, then your cells may be producing energy inefficiently, and you may benefit from low level laser therapy (LLLT) – a scientifically validated way to recharge these cellular batteries and restore your body’s natural vitality.
What is ATP?
ATP is short for adenosine triphosphate. ATP is produced in the mitochondria, and it’s the molecular currency your body uses for virtually every biological function. When your cells are sluggish at producing ATP, you often feel sluggish as a natural side effect.
When mitochondria absorb the precise light wavelengths emitted by low power laser irradiation, they become dramatically more efficient at producing ATP. This enhanced energy production cascades through your entire system, promoting tissue regeneration, reducing inflammation, and restoring the delicate balance your body needs to thrive.
The therapy doesn’t force change or manipulate tissue; it simply provides the energetic conditions your cells need to heal themselves.
How Light Activates Your Cells
The science behind low level light therapy (LLLT) reveals why this therapy delivers such impressive results. When red light at 660 nm and near-infrared light at 850 nm reach your mitochondria, they’re absorbed by an enzyme called cytochrome c oxidase. This absorption triggers a remarkable chain reaction within each cell.
First, ATP production increases significantly, giving cells abundant energy for repair and regeneration. Simultaneously, oxidative stress decreases as inflammatory molecules are neutralised and beneficial cellular signals amplify.
Blood vessels dilate as nitric oxide is released, improving circulation and delivering more oxygen and nutrients to tissues that need them most. This enhanced blood flow doesn’t just speed recovery – it transforms how your body maintains itself day to day.
The combined effect manifests as reduced pain, accelerated recovery from injury or exercise, improved physical function, and a deeper sense of vitality that many people describe as feeling genuinely recharged.
Multiple studies, including a comprehensive review published in Lasers in Surgery and Medicine, confirm that these specific wavelengths improve mitochondrial function, reduce inflammation markers, and enhance blood flow throughout the body. Much of the foundational research comes from the Wellman Center for Photomedicine at Harvard Medical School, which has led global investigations into how light influences cellular repair and human performance.
Three Ways Photobiomodulation Transforms Your Body
Photobiomodulation therapy supports your body through three interconnected biological systems, each essential to optimal health and function.
Cellular Energy and Repair
By directly stimulating mitochondria, low level laser therapy helps your cells produce substantially more ATP. This surplus energy fuels tissue healing at the microscopic level, accelerates collagen synthesis for stronger connective tissue, and enhances recovery processes that normally occur far more slowly.
Circulation and Oxygenation
Low level light therapy promotes natural release of nitric oxide, a powerful vasodilator that opens blood vessels and improves circulation throughout your body. Better blood flow means more oxygen reaches your muscles, joints, and organs, while metabolic waste products are cleared more efficiently.
Inflammation and Pain Reduction
PBM helps regulate the inflammatory response at its source, addressing oxidative stress and inflammatory markers that contribute to acute and chronic pain. Rather than simply masking symptoms, the therapy supports your body’s natural anti-inflammatory mechanisms.
What Photobiomodulation Therapy Can Help With
Research demonstrates that photobiomodulation supports recovery across a remarkably diverse range of conditions.
- Recovery and Performance: Athletes use low power laser therapy to accelerate healing sports injuries and enhance exercise performance, often reporting they can train harder while experiencing less soreness and faster adaptation.
- Chronic Conditions: Those managing chronic conditions may find meaningful relief from back pain, neck pain, joint pain, tendonitis, and arthritic inflammation that may have limited their daily activities for months or years.
- Post-Surgical Healing: Low level laser therapy has shown particular promise in the post-surgical healing process, where enhanced cellular energy aids the tissue repair process and reduces the inflammatory cascade that typically prolongs recovery.
- Skin Rejuvenation and Wound Healing: Low level laser irradiation can support skin rejuvenation and accelerate wound healing by stimulating collagen production and cell proliferation (including stem cells).
- Neuropathic Pain: People dealing with neuropathic pain – often resistant to conventional treatments – frequently experience significant pain relief as nerve function and cellular communication are restored.
- Hair Growth: Low level laser light therapy may stimulate hair growth and help reverse hair loss by activating mitochondria in hair follicle cells and increasing blood circulation and nutrient delivery to the scalp.
Beyond addressing specific injuries or conditions, many of our low level laser therapy clients report improvements that reflect system-wide enhancement: better sleep quality, increased daily energy, sharper mental clarity, and greater physical resilience.
Far from being incidental benefits, these are indicators that cellular metabolism is improving throughout the human body.
Why Medical-Grade PBM Delivers Superior Results
Not all red light devices deliver therapeutic benefits. The difference between consumer-grade low power lasers and medical-grade systems like those used at The Physicaltherapy Centre comes down to precision, power, and regulatory standards.
Medical-grade PBM systems use the exact wavelengths validated in clinical research, with consistent power output and comprehensive coverage that ensures your cells receive the therapeutic dose they need.
In Australia, medical-grade low level laser therapy systems are regulated as medical devices under the Therapeutic Goods Administration (TGA), which sets rigorous classification, safety and performance requirements for inclusion on the Australian Register of Therapeutic Goods. This regulatory framework ensures that medical-grade devices meet stringent standards that consumer products simply don’t face.
Our Light Therapy Devices Are Best-in-Class
At The Physicaltherapy Centre in North Sydney, we’ve invested in two premium systems to meet different therapeutic needs.
NovoTHOR Red Light Bed
The NovoTHOR red light therapy bed is the same full-body system used by elite sports teams, Olympic programs, and leading longevity clinics worldwide. This advanced bed delivers proven wavelengths across your entire body in just 15 to 20 minutes, providing consistent therapeutic light to every system simultaneously.
THOR LX2
We also offer the THOR LX2, a desktop unit that delivers even more concentrated treatment power to target tissue areas. This treatment modality is particularly valuable for specific injuries requiring focused attention. Some of our clients with mobility difficulties also prefer it, as it doesn’t require having to climb in and out of a light bed.
Benefits Backed by Science
Over 800 peer-reviewed studies and clinical trials have investigated photobiomodulation therapy’s effects across diverse populations and conditions. These outcomes consistently demonstrate measurable improvements in muscle strength and recovery time, reductions in pain and inflammation markers, enhanced nerve function and tissue repair, and increased collagen production supporting healthier skin and connective tissue.
The therapy’s evidence base is so compelling that it’s now used by NASA to support astronauts’ cellular health in space, by Olympic sports programs seeking every performance advantage, and by progressive medical centres worldwide as a cornerstone of non-invasive cellular restoration.
You can explore the comprehensive research library, including over 800 peer-reviewed studies on PBM’s cellular and clinical effects, at THOR Photomedicine’s research database.
Experience the Difference
Low level light therapy doesn’t just target symptoms – it enhances your body’s fundamental capacity to repair itself from the inside out. By reactivating mitochondria and improving cellular communication, PBM helps you feel sharper, stronger, and more resilient, all without drugs, injections, or downtime.
At The Physicaltherapy Centre in North Sydney, we’ve made medical-grade photobiomodulation therapy accessible to anyone seeking to enhance their recovery, reduce pain, or elevate their daily vitality. Whether you’re pushing performance boundaries, managing a chronic condition, or simply looking to optimise your health and longevity, PBM offers a scientifically proven path forward.
Book your first session today or speak with our team to discover how PBM can complement your current treatment plan and help you achieve your health goals.
