Science Red Light Therapy

Research category

Red Light Therapy

Peer-reviewed research on red and near-infrared light — used in clinics for skin recovery, joint pain, inflammation, and post-exercise repair. We summarise the studies in plain language so you can decide for yourself.

Featured research
A 2025 umbrella review of 204 randomised controlled trials found photobiomodulation significantly improved outcomes across nine health conditions — with the strongest evidence for fibromyalgia, knee osteoarthritis, cognitive function, and hair density. Here is what the evidence shows.

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