Red Light Therapy Explained
Have you been curious about Red Light Therapy (RLT)? This popular non-invasive treatment uses specific wavelengths of red and near-infrared light to penetrate the skin and target the mitochondria within our cells. RLT is generating considerable interest in the wellness world as people explore its potential benefits from skincare, to injury healing, to pain relief and more. But what exactly is RLT, how does it work, and what does the science say about its benefits?
An indivudal uses red light therapy at home with a device (like those made by our Synergy Wellness Partner: Joovv) by positioning themselves in front of the device and exposing the targeted area of their body to the emitted red and near-infrared light. RLT devices typically consist of panels or arrays of LEDs that emit these specific wavelengths. The user selects a desired treatment time, often guided by the device's instructions or recommendations from a healthcare professional, and simply relaxes or engages in other activities while the light penetrates the skin and reaches deeper tissues. The duration and frequency of treatments can vary depending on the individual's needs and the specific device being used, but generally involve sessions lasting from a few minutes to around 20 minutes, several times a week.
How Does Red Light Therapy Work?
At the heart of RLT, also known as photobiomodulation, lies its interaction with our cells. Think of your cells as tiny engines, powered by structures called mitochondria. RLT uses specific wavelengths of red and near-infrared light, which these mitochondria absorb. This absorption triggers a cascade of events within the cell, including:
Increased Energy Production: RLT can boost the production of ATP, the cell's primary energy source, much like giving your cellular engines a tune-up.
Improved Blood Flow: Enhanced circulation delivers vital nutrients and oxygen to tissues, supporting healing and repair.
Reduced Inflammation: RLT can help modulate the body's inflammatory response, which plays a role in many health conditions.
These cellular changes may contribute to a range of potential benefits.
What Does the Research Say?
Skin Health: Many people seek RLT for its potential to improve skin appearance. Some studies suggest it can stimulate collagen production, which is essential for youthful-looking skin, potentially reducing fine lines and wrinkles [1]. It may also aid in wound healing and reduce the appearance of scars [2].
Pain Management: RLT has shown promise in managing chronic pain. Research indicates it may reduce pain and inflammation associated with conditions like osteoarthritis [3]. While the exact mechanisms are still being investigated, the effects on inflammation and tissue healing likely play a role.
Muscle Recovery: Athletes and fitness enthusiasts are exploring RLT for its potential to accelerate muscle recovery. Some studies suggest it can reduce muscle soreness after exercise and may even improve muscle strength and endurance [4]. The boost in cellular energy and reduced oxidative stress within muscle tissue could be contributing factors.
Brain Health: The potential effects of RLT on the brain are an area of ongoing research. Some early studies suggest it may improve cognitive function and mood [5], possibly through increased blood flow to the brain and reduced neuroinflammation. However, more research is needed to confirm these findings.
One of the advantages of red light therapy is that it is generally considered safe with minimal side effects, making it an appealing option for those looking to complement their current wellness practices. While some individuals report noticeable benefits, others may experience more subtle effects, and more large-scale clinical studies are needed to clarify its full potential.
As research continues to expand, red light therapy remains an interesting and accessible option for those curious about its potential benefits. If you’re considering incorporating it into your routine, consulting your Synergy physician help you determine whether it aligns with your health goals. While more definitive answers may come with time, for now, RLT presents a low-risk option for those looking to explore new ways to support their well-being.
References:
Avci P, Gupta A, Sadasivam M, et al. Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring. Lasers in Medical Science. 2021.
1.Gupta, A., Avci, P., Dai, T., et al. (2020). Low-level laser (light) therapy for wound healing and tissue repair. Photodermatology, Photoimmunology & Photomedicine, 36(6), 409-417.
Stausholm MB, Rosenberg NK, Jakobsen T, et al. Low-level laser therapy for pain relief in knee osteoarthritis: a randomized controlled trial. Pain Management. 2020.
Vanin, A. A., Miranda, E. F., Machado, C. S., et al. (2022). Photobiomodulation therapy (PBMT) in sports and exercise: A systematic review. Photomedicine and Laser Surgery, 40(1), 1-9.
Cassano, P., Petrie, S. R., Hamblin, M. R., et al. (2023). Review of the efficacy of red light therapy in mental health disorders. Frontiers in Psychiatry, 14, 1-12.