Intervention
Photobiomodulation (Red & Near-Infrared Light)
Last updated 2026-05-17· 1 min read
Reviewed by the Ultimate Longevity Bible editorial team. Educational reference — not medical advice. See disclaimer.
What it is
Photobiomodulation (PBM), also called low-level laser therapy (LLLT), delivers red (~630–700 nm) and near-infrared (~810–1064 nm) light to tissue at non-thermal intensities. The proposed primary photoacceptor is cytochrome c oxidase (complex IV) in mitochondria.
Claimed effects
- Improved mitochondrial respiration and ATP output.
- Reduced inflammation.
- Accelerated wound healing.
- Possible benefit in dry age-related macular degeneration (LIGHTSITE trials).
- Skin (collagen, photoaging) effects with home red-light panels.
Evidence summary
Mixed. Wound-healing and certain musculoskeletal indications have reasonable evidence. Many longevity-marketed claims (cognitive enhancement, fat loss, hair growth) have weak or inconsistent RCT support. Dose–response is biphasic (the “Arndt-Schulz” curve) — under- and over-dosing both reduce benefit.
Practical points
- Home red-light panels vary wildly in irradiance (mW/cm²) and effective dose. Spec sheets are inconsistent.
- Eye protection at high near-infrared output.
- Sessions on the order of 10–20 minutes are typical.
- Red Light Panels — Tool.
- Coenzyme Q10 (Ubiquinone / Ubiquinol) — Intervention.
- Methylene Blue — Intervention.
- PQQ (Pyrroloquinoline Quinone) — Intervention.
- Urolithin A — Intervention.
Related entries
Mitochondrial dysfunction, Age-related macular degeneration.
References
- Hamblin, M. R. Mechanisms and applications of the anti-inflammatory effects of photobiomodulation. AIMS Biophys. 4, 337–361 (2017).