Red Light Therapy

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Understanding FlexBeam

How Red Light Therapy Works

Your body has an amazing capacity to heal itself. And light plays a crucial role. 

We have evolved under the sun’s full spectrum of light and we are affected both by visible light (which we see as colors) and invisible wavelengths, such as infrared and ultraviolet (UV).

Scientists have discovered that light at specific red and near-infrared wavelengths can stimulate the body’s natural process of healing.

And when this powerful light is targeted, it becomes so much more effective.

The Science

Red Light & Mitochondria

A key mechanism of red light therapy is to trigger the energy generators of your cells, known as the mitochondria, to produce more:

ATP- Adenosine Triphosphate

ROS-Reactive Oxygen Species

NO-Nitric Oxide

All crucially involved in the body’s recovery process.
Red Light Therapy: Nourishing the Body and Mind — Center for Integrative  Healing & Wellness
The FlexBEAM : Revolutionary Red Light Therapy | CrowdFund.News


Red light therapy (RLT) uses certain frequencies, irradiance, and energy density to supply your body with the energy it needs to heal itself and perform better. 

What is red light therapy? – A light therapy with a primary goal to get your body healthy and strong so it can repair itself and overcome environmental challenges. Red light therapy has some amazing benefits. Among other things, red light therapy:

  1. Increases muscle endurance, tone, and density
  2. Improves cognition and lowers the risk of dementia 
  3. Boosts healing of bones, tendons, and wounds
  4. Repairs damaged nerves
  5. Promotes hair health and growth
  6. Rejuvenates skin by strengthening the collagen network
  7. Improves immunity response
  8. Enables efficient communication of internal organs through the fascia
  9. Regulates hormones
  10. Helps improve and balance your mood
  11. Enhances your weight loss efforts

Photobiomodulation (PBM) also known as low-level laser (or light) therapy (LLLT), has been known for almost 50 years but still has not gained widespread acceptance, largely due to uncertainty about the molecular, cellular, and tissular mechanisms of action. However, in recent years, much knowledge has been gained in this area, which will be summarized in this review. One of the most important chromophores is cytochrome c oxidase (unit IV in the mitochondrial respiratory chain), which contains both heme and copper centers and absorbs light into the near-infra-red region.

The leading hypothesis is that the photons dissociate inhibitory nitric oxide from the enzyme, leading to an increase in electron transport, mitochondrial membrane potential, and ATP production. Another hypothesis concerns light-sensitive ion channels that can be activated allowing calcium to enter the cell. After the initial photon absorption events, numerous signaling pathways are activated via reactive oxygen species, cyclic AMP, NO, and Ca2+, leading to activation of transcription factors. These transcription factors can lead to increased expression of genes related to protein synthesis, cell migration, and proliferation, anti-inflammatory signaling, anti-apoptotic proteins, antioxidant enzymes. Stem cells and progenitor cells appear to be particularly susceptible to LLLT.

Proteins within mitochondrial membranes can act as light receptors. This means that if you expose mitochondria to red light, those receptors will absorb the energy and increase the charge. Consequently, this leads to increased energy levels throughout the body.


Red led light therapy is good for pain relief, repair, and recovery. The pain relief that red light therapy offers is achieved by increasing the blood flow so that the released endorphins can act faster and more efficiently. At the same time, the levels of nitric oxide are increased, which means better management of pain mechanisms

The repair on the cellular level is a consequence of the mitochondria getting all the energy they need to speed up these processes. This energy that comes from the red led light therapy is used for more efficient cellular regeneration. As a result, both cells and tissues heal faster and better. That’s why, wounds, for example, heal better when you use red and infrared light therapy.

Faster recovery as one of the benefits of red light therapy happens as a result of faster ATP production. When the ATP is produced due to energy that comes from red led light, it remarkably speeds up cellular regeneration. Also, this energizes the entire body.

Red and infrared light therapy do an amazing job at giving your body enough energy that it allocates to the systems that need it the most in order for your body to stay healthy. 

How does this all happen? The base of red light therapy benefits lies in its effects on the following systems:

  1. Fascia – the therapeutic effect of red light energy can be carried through the fascia network to other parts of the body where it is needed. This, in turn, elevates the body’s capacity to communicate via this charged matrix, in a positive feedback loop.
  2. Gut-Brain Axis – the gut-brain axis links the emotional and cognitive centers of the brain with peripheral intestinal functions. Red light energy applied to the abdomen area can, therefore, influence mood and neuropsychological issues via several mechanisms.
  3. Immune System – beaming red light and near-infrared light onto cells creates a short, low-dose metabolic stress that builds up the anti-inflammatory, anti-oxidant, and natural defense systems of the cells, making the body stronger and more resilient to infections.
  4. Circulatory System – red light therapy has been shown to aid the function of the circulatory system and increases microcirculation of blood – one of the most recognized and well-documented effects of this therapy.
  5. Nervous System – red light therapy benefits are being explored as a promising drug-free therapy for all kinds of nerve damage.
  6. Stem Cells – red light therapy is showing huge promise in current research to both stimulate growth of stem cells in the body, and to maximize the effect of stem cell implantation for a wide variety of medical purposes.
11 Surprising Benefits of Red Light Therapy – The 360 Upgrade
one rep max exercise strength light therapy

Scientific Studies

Double the strength, Half the Soreness

In a comprehensive trial study, subjects who exercised in combination with red light therapy also known as Photobiomodulation (PBM) increased strength by 55%, more than twice as much as the control group who exercised without red light therapy.

In studies on Delayed Onset Muscle Soreness (DOMS), subjects treated with red light therapy daily, after rigorous exercise for a period of 10 weeks, showed that the muscle soreness, muscle strength loss, and ROM impairments were significantly reduced by up to 96 hours after the exercise session.

More than 500 human trials and 4,000 lab studies document the power of red light therapy. Browse our knowledge base here.

What Is the Difference Between Red Light Therapy and Infrared?


Red light therapy involves both red and infrared light. To be more precise, this is near-infrared light. The difference between red and infrared light is that they correspond to different wavelengths of light.


Red Light: Wavelengths ranging from 600 – 650nm. Red light boosts the formation of collagen and elastin and assists in cell communication. It penetrates superficially (up to 5mm) and is mainly used for skin conditions. Many devices aim to use 635nm red light therapy. 

Near Infra-red (NIR) light: Wavelengths ranging from 750 – 850nm. NIR stimulates healing, increases mitochondrial function and improves blood flow and tissue oxygenation. It penetrates deeper into the body (up to 10cm).

FlexBeam covers both red and infrared light therapy It has 2 infrared light therapy LEDs and 1 red light LED in each light pod. This is a total of 6 LEDs with 810-850nm, and 3 at 625 – 635nm red light therapy LEDs. 


de Freitas LF, Hamblin MR. Proposed Mechanisms of Photobiomodulation or Low-Level Light Therapy. IEEE J Sel Top Quantum Electron. 2016 May-Jun;22(3):7000417. doi: 10.1109/JSTQE.2016.2561201. PMID: 28070154; PMCID: PMC5215870.

Ferraresi, C., de Brito Oliveira, T., de Oliveira Zafalon, L. et al. Effects of low level laser therapy (808 nm) on physical strength training in humans. Lasers Med Sci 26, 349–358 (2011).

Leal-Junior EC, Vanin AA, Miranda EF, de Carvalho Pde T, Dal Corso S, Bjordal JM. Effect of phototherapy (low-level laser therapy and light-emitting diode therapy) on exercise performance and markers of exercise recovery: a systematic review with meta-analysis. Lasers Med Sci. 2015 Feb;30(2):925-39. doi: 10.1007/s10103-013-1465-4. Epub 2013 Nov 19. PMID: 24249354.

Nampo, F.K., Cavalheri, V., Ramos, S.d.P. et al. Effect of low-level phototherapy on delayed onset muscle soreness: a systematic review and meta-analysis. Lasers Med Sci 31, 165–177 (2016).

Stelian J, Gil I, Habot B, Rosenthal M, Abramovici I, Kutok N, Khahil A. Improvement of pain and disability in elderly patients with degenerative osteoarthritis of the knee treated with narrow-band light therapy. J Am Geriatr Soc. 1992 Jan;40(1):23-6. doi: 10.1111/j.1532-5415.1992.tb01824.x. PMID: 1727843.
Bicknell, B., Liebert, A., Johnstone, D. et al. Photobiomodulation of the microbiome: implications for metabolic and inflammatory diseases. Lasers Med Sci 34, 317–327 (2019).
Rosso MPO, Buchaim DV, Kawano N, Furlanette G, Pomini KT, Buchaim RL. Photobiomodulation Therapy (PBMT) in Peripheral Nerve Regeneration: A Systematic Review. Bioengineering (Basel). 2018 Jun 9;5(2):44. doi: 10.3390/bioengineering5020044. PMID: 29890728; PMCID: PMC6027218.
Molina Correa JC, Padoin S, Varoni PR, Demarchi MC, Flores LJF, Nampo FK, de Paula Ramos S. Ergogenic Effects of Photobiomodulation on Performance in the 30-Second Wingate Test: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study. J Strength Cond Res. 2022 Jul 1;36(7):1901-1908. doi: 10.1519/JSC.0000000000003734. Epub 2020 Aug 12. PMID: 32796413.
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