Movement is one of the most important things we can do for our health — but our body doesn’t always cooperate. Some people work out regularly yet recover slowly. Others don’t train at all, and still live with knee pain, stiff joints, or the “memory” of old injuries. Whichever group you’re in, recovery is a key question: how can we bounce back faster?
In recent years, more and more attention has turned to red and near-infrared light, which may support the body’s restorative mechanisms in a natural way. Not as a miracle cure, but as a gentle form of support that research suggests can speed up recovery, reduce pain, and improve joint condition.
The effects of light come mainly from stimulating cellular energy production (ATP), improving microcirculation, reducing inflammation, and supporting the body’s natural tissue renewal. These processes are vital both during movement and outside of it, which is why light therapy can work for athletes and non-athletes alike.
Light helps if you train — and even if you don’t
Most people associate red light with post-workout recovery. For athletes, light can help reduce pain caused by micro-damage, speed up muscle repair, and support a quicker return after performance.
But just as importantly, red and near-infrared light can also be effective support if someone doesn’t exercise at all, yet struggles with recurring joint pain. For many people, lack of movement, desk work, previous injuries, or age-related wear and tear are what drive the discomfort.
Light boosts microcirculation, so more oxygen and nutrients reach painful areas, inflammatory by-products clear faster, and swelling and stiffness can ease. This is true even without training. That’s one of the biggest advantages of light-based support: it requires no effort, yet the body still responds.
Many people report that as the pain decreases, they feel confident starting to move again — whether that means a daily walk, gentle physiotherapy, or beginning with lighter workouts. Light doesn’t replace movement — quite the opposite — it can help open the door to it.
The strongest effects are seen in osteoarthritis
Osteoarthritis is one of the most common reasons people experience knee, shoulder, or hip pain, which is why it’s a major focus in light-therapy research.
Several studies have found that red/NIR light can:
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reduce pain and swelling
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improve joint mobility
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support microcirculation and tissue oxygenation
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help slow down or halt worsening processes
What’s especially interesting is that combining light + movement can be even more effective than either on its own. Light reduces pain, making it easier to move; movement then further improves circulation and joint function.
Bone recovery, injuries, and near-infrared light
Light doesn’t only target joint discomfort — research suggests it may also play a role in bone recovery.
Near-infrared light in particular may:
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increase the activity of osteoblasts (bone-building cells)
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support collagen formation
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speed up bone tissue repair
This can be valuable support both for athletes and for anyone recovering from injury.
How to use it
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Before movement: 5–10 minutes to warm up the tissues.
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After movement: 10–20 minutes to support recovery.
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If you don’t exercise: targeted, regular use on the painful area.
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For osteoarthritis: several sessions per week tends to work best.
Light therapy is like gentle, natural support: it doesn’t force anything, but it can help your body recover faster and more easily.
Scientific background:
Albuquerque-Pontes, G. et al. (2016). Low-level laser therapy (LLLT) for knee osteoarthritis: A randomized controlled trial. Lasers in Medical Science, 31(6), 1233–1240. https://doi.org/10.1007/s10103-016-1978-z
Al Rashoud, A. S. et al. (2014). Efficacy of low-level laser therapy in patients with knee osteoarthritis: A systematic review and meta-analysis. Orthopedic Reviews, 6(2), 83–89. https://doi.org/10.4081/or.2014.5435
Bjordal, J. M. et al. (2006). Low-level laser therapy in knee osteoarthritis. Photomedicine and Laser Surgery, 24(2), 221–230. https://doi.org/10.1089/pho.2006.24.221
Carvalho, P. de T. et al. (2013). LLLT combined with exercise improves knee OA. Clinical Rheumatology, 32(4), 509–515. https://doi.org/10.1007/s10067-012-2132-z
Mesquita-Ferrari, R. A. et al. (2011). Effects of low-level laser therapy on bone repair. Photomedicine and Laser Surgery, 29(2), 89–99. https://doi.org/10.1089/pho.2010.2817
Khadra, M. et al. (2013). Bone formation enhanced by LLLT. Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 115(6), e6–e13. https://doi.org/10.1016/j.oooo.2012.10.010
Rasheed, M., & El-Magic, M. (2012). Infrared laser promotes osteoblast proliferation. Lasers in Medical Science, 27(1), 81–87. https://doi.org/10.1007/s10103-011-0915-3
Rayegani, S. M. et al. (2017). LLLT reduces pain and disability in OA. Journal of Lasers in Medical Sciences, 8(2), 96–101. https://doi.org/10.15171/jlms.2017.17
Hegedus, E. J. et al. (2015). Meaningful improvements with LLLT for knee OA. Physiotherapy Theory and Practice, 31(1), 29–37. https://doi.org/10.3109/09593985.2014.948618
