THE SCIENCE OF 03 RENEW™
The Science of Red Light Therapy
Light. Mitochondria. Cellular Energy.
Photobiomodulation (PBM)—commonly known as red light therapy—uses specific wavelengths of red + near-infrared light to interact with biological tissues.
Researchers have studied PBM for decades, investigating how light may influence mitochondrial function, cellular energy, signalling, muscle physiology, skin and tissue processes. [1–6]
At Revivelife Longevity Lounge™, 03 RENEW™ brings this science into an advanced whole-body experience using TheraLight 360 MultiZone™.
Understand the Science Behind the Light.
START WITH THE BASICS
Your Body Can Respond to Light.
Photobiomodulationuses non-ionizing red + near-infrared light to produce biological responses in exposed tissues.
Unlike ultraviolet light, PBM does not rely on UV radiation.
Instead, researchers study how specific wavelengths of red + near-infrared light are absorbed or interact with biological molecules and how those interactions can influence cellular processes. [1,2]
The biological response depends on several factors, including:
Photobiomodulationuses non-ionizing red + near-infrared light to produce biological responses in exposed tissues.
Unlike ultraviolet light, PBM does not rely on UV radiation.
Instead, researchers study how specific wavelengths of red + near-infrared light are absorbed or interact with biological molecules and how those interactions can influence cellular processes. [1,2]
The biological response depends on several factors, including:
- Wavelength
- Intensity
- Dose
- Exposure Time
- Tissue
- Treatment Area
This is why not all red-light experiences are the same.
RENEW™ uses multiple wavelengths and personalized settings to create an advanced whole-body PBM experience.
THE SCIENCE, SIMPLIFIED
LIGHT → MITOCHONDRIA → ATP → CELLULAR RESPONSE
Your cells already contain the biological machinery responsible for producing energy. PBM doesn't literally “charge your cells.”
A better way to think about it is: Light provides a biological stimulus that your cells can respond to.
Light. Energy. Response.
A better way to think about it is: Light provides a biological stimulus that your cells can respond to.
Light. Energy. Response.
WHERE THE PROCESS BEGINS
How Does a Cell “See” Light?
For light to produce a photobiological response, photons must interact with molecules capable of absorbing or responding to that light.
These light-responsive biological molecules are often referred to as chromophores. One of the most studied proposed mitochondrial targets in PBM research is:
For light to produce a photobiological response, photons must interact with molecules capable of absorbing or responding to that light.
These light-responsive biological molecules are often referred to as chromophores. One of the most studied proposed mitochondrial targets in PBM research is:
CELLULAR ENERGY
Why Mitochondria Matter.
Nearly everything your cells do requires energy.
Mitochondria help convert oxygen + nutrients into ATP, which cells use to power normal biological activity.
ATP supports processes involved in: Muscle Contraction • Nerve Activity • Cellular Maintenance • Protein Synthesis • Tissue Function
PBM research has repeatedly investigated changes in mitochondrial membrane potential and ATP-related processes following light exposure. [1,2]
Nearly everything your cells do requires energy.
Mitochondria help convert oxygen + nutrients into ATP, which cells use to power normal biological activity.
ATP supports processes involved in: Muscle Contraction • Nerve Activity • Cellular Maintenance • Protein Synthesis • Tissue Function
PBM research has repeatedly investigated changes in mitochondrial membrane potential and ATP-related processes following light exposure. [1,2]
This mitochondrial connection is one reason PBM has attracted significant interest across recovery, performance and wellness research.
MORE THAN ENERGY
ATP Is Only Part of the Story.
PBM research suggests that the biological response to light extends beyond cellular energy production.
Following the initial interaction with light, researchers have reported changes involving signalling pathways that include:
PBM research suggests that the biological response to light extends beyond cellular energy production.
Following the initial interaction with light, researchers have reported changes involving signalling pathways that include:
These interconnected mechanisms may help explain why the effects of PBM can continue beyond the initial period of light exposure. [1,2]
SCIENCE-BACKED. EVIDENCE-INFORMED.
A Large Field of Research—With Different Levels of Evidence.
Photobiomodulation research spans decades and includes laboratory research, animal models, randomized clinical trials, systematic reviews and meta-analyses. A recent 2025 umbrella review synthesized 15 meta-analyses covering 204 randomized clinical trials and more than 9,000 participants across multiple PBM applications. [10]
The review found statistically significant benefits for some outcomes, but the authors also found that evidence certainty was often low to moderate and emphasized the need for larger, better-standardized trials.
Photobiomodulation research spans decades and includes laboratory research, animal models, randomized clinical trials, systematic reviews and meta-analyses. A recent 2025 umbrella review synthesized 15 meta-analyses covering 204 randomized clinical trials and more than 9,000 participants across multiple PBM applications. [10]
The review found statistically significant benefits for some outcomes, but the authors also found that evidence certainty was often low to moderate and emphasized the need for larger, better-standardized trials.
FROM SCIENCE TO EXPERIENCE
Whole-Body Photobiomodulation.
TheraLight 360 MultiZone™ brings several PBM variables together within one system:
TheraLight 360 MultiZone™ brings several PBM variables together within one system:
Coverage. Range. Personalization.
RENEW™ turns complex photobiomodulation technology into a simple, comfortable whole-body experience.
RENEW™ turns complex photobiomodulation technology into a simple, comfortable whole-body experience.
Frequently Asked Questions
Photobiomodulation (PBM) is the scientific term commonly used for therapeutic applications of red + near-infrared light designed to produce photobiological responses in tissue.
Mitochondria are structures inside cells involved in converting nutrients and oxygen into ATP, the energy cells use to function.
Not in the way a battery charger provides electricity. PBM research investigates how light can influence biological processes involved in mitochondrial function, ATP and cellular signalling. [1,2]
Cytochrome c oxidase is an enzyme in the mitochondrial respiratory chain and one of the most studied proposed chromophores in PBM research. Other mechanisms are also being investigated. [1,7]
Experimental PBM research has reported changes in ATP-related processes, but the response depends on wavelength, dose, tissue and experimental conditions. [1,8]
Nitric oxide is involved in mitochondrial and vascular signalling. Several PBM mechanisms involving NO have been proposed and continue to be investigated. [1,7]
Not necessarily. PBM demonstrates dose-dependent and sometimes biphasic responses, meaning wavelength, intensity, exposure time and total dose all matter. [8]
THE SCIENCE OF RENEW™
Light Your Cells Can Respond To.
From mitochondrial biology and ATP to cellular signalling and tissue physiology,
photobiomodulation represents a growing field of research into how light interacts with the human body.
RENEW™ brings that science into an advanced whole-body experience.
LIGHT • ENERGY • RECOVERY • RENEWAL
EVIDENCE-INFORMED WELLNESS DISCLAIMER
This page is intended for educational and informational purposes and is not medical advice, diagnosis or treatment.
Photobiomodulation is an active area of scientific research. Findings vary according to wavelength, dose, treatment area, device, population and outcome, and findings from localized PBM research should not automatically be assumed to apply to whole-body PBM.
RENEW™ is offered as a wellness experience designed to complement a healthy lifestyle and recovery routine.
This page is intended for educational and informational purposes and is not medical advice, diagnosis or treatment.
Photobiomodulation is an active area of scientific research. Findings vary according to wavelength, dose, treatment area, device, population and outcome, and findings from localized PBM research should not automatically be assumed to apply to whole-body PBM.
RENEW™ is offered as a wellness experience designed to complement a healthy lifestyle and recovery routine.
[1] de Freitas LF, Hamblin MR. Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy. IEEE J Sel Top Quantum Electron. 2016. PMID: 28070154
[2] Hamblin MR. Mechanisms and Applications of the Anti-inflammatory Effects of Photobiomodulation. AIMS Biophys. 2017. PMID: 28748217
[3] Liu J, et al. Bibliometric Analysis to Global Research Status Quo on Photobiomodulation. Photobiomodul Photomed Laser Surg. 2023. PMID: 38011736
[4] Borsa PA, et al. Does Phototherapy Enhance Skeletal Muscle Contractile Function and Postexercise Recovery? A Systematic Review. J Athl Train. 2013. PMID: 23672326
[5] Avci P, et al. Low-Level Laser (Light) Therapy (LLLT) in Skin: Stimulating, Healing, Restoring. Semin Cutan Med Surg. 2013. PMID: 23860798
[6] Leal-Junior ECP, et al. Effect of Phototherapy on Exercise Performance and Markers of Exercise Recovery: A Systematic Review With Meta-Analysis. Lasers Med Sci. 2015. PMID: 24249354
[7] Quirk BJ, Whelan HT. What Lies at the Heart of Photobiomodulation: Light, Cytochrome C Oxidase, and Nitric Oxide—Review of the Evidence. Photobiomodul Photomed Laser Surg. 2020. PMID: 32716711
[8] Huang YY, et al. Biphasic Dose Response in Low Level Light Therapy—An Update. Dose Response. 2011. PMID: 22461763
[9] Álvarez-Martínez M, Borden G. A Systematic Review on Whole-Body Photobiomodulation for Exercise Performance and Recovery. Lasers Med Sci. 2025. PMID: 39883205
[10] Son Y, et al. Effects of Photobiomodulation on Multiple Health Outcomes: An Umbrella Review of Randomized Clinical Trials. Syst Rev. 2025. PMID: 40770824
[2] Hamblin MR. Mechanisms and Applications of the Anti-inflammatory Effects of Photobiomodulation. AIMS Biophys. 2017. PMID: 28748217
[3] Liu J, et al. Bibliometric Analysis to Global Research Status Quo on Photobiomodulation. Photobiomodul Photomed Laser Surg. 2023. PMID: 38011736
[4] Borsa PA, et al. Does Phototherapy Enhance Skeletal Muscle Contractile Function and Postexercise Recovery? A Systematic Review. J Athl Train. 2013. PMID: 23672326
[5] Avci P, et al. Low-Level Laser (Light) Therapy (LLLT) in Skin: Stimulating, Healing, Restoring. Semin Cutan Med Surg. 2013. PMID: 23860798
[6] Leal-Junior ECP, et al. Effect of Phototherapy on Exercise Performance and Markers of Exercise Recovery: A Systematic Review With Meta-Analysis. Lasers Med Sci. 2015. PMID: 24249354
[7] Quirk BJ, Whelan HT. What Lies at the Heart of Photobiomodulation: Light, Cytochrome C Oxidase, and Nitric Oxide—Review of the Evidence. Photobiomodul Photomed Laser Surg. 2020. PMID: 32716711
[8] Huang YY, et al. Biphasic Dose Response in Low Level Light Therapy—An Update. Dose Response. 2011. PMID: 22461763
[9] Álvarez-Martínez M, Borden G. A Systematic Review on Whole-Body Photobiomodulation for Exercise Performance and Recovery. Lasers Med Sci. 2025. PMID: 39883205
[10] Son Y, et al. Effects of Photobiomodulation on Multiple Health Outcomes: An Umbrella Review of Randomized Clinical Trials. Syst Rev. 2025. PMID: 40770824