Red light therapy / photobiomodulation

IMPORTANT VERIFICATION GAP: this session's web search budget was exhausted (200/200) before any search could be run, and two direct fetches of tga.gov.au timed out. The only source successfully retrieved live was HSA's general medical device regulatory overview. Nothing below should be treated as independently re-verified this session, and the regulatory fields are deliberately null. On the evidence itself, stated conservatively: PBM has a genuine, well-characterised biological mechanism and a real clinical literature for narrow indications, principally dermatologic endpoints (wrinkle depth, collagen density), musculoskeletal pain, and oral mucositis in oncology. What it does NOT have is human outcome evidence for any longevity or healthspan endpoint. There is no RCT evidence that PBM extends lifespan, alters biological age markers, improves all-cause mortality risk, or produces durable systemic metabolic benefit. Trials that exist are typically small, short, heterogeneous in wavelength, dose, and irradiance, frequently industry-linked, and rarely blinded adequately given the obvious sensory nature of the exposure. Dosing is also non-monotonic (a biphasic dose response is repeatedly described), which means device-to-device and protocol-to-protocol results do not transfer cleanly, and consumer full-body beds are not equivalent to the devices used in published trials. Graded "commercial" rather than "clinical": the modality is heavily sold in the SG/AU recovery market, but the marketed healthspan and longevity claims are extrapolated from mechanism and from adjacent-indication trials, not demonstrated for healthspan outcomes in humans. Safety profile appears benign at typical consumer doses, with eye protection the main practical caution, but even that is an inherited rather than freshly verified claim here. Provision: per discovery, AU availability is well attested across multiple independent operator sites; SG availability rests on a single media listing rather than the operator's own site and should be treated as caveat-grade. Note also that none of the discovery-identified providers appear on either supplied clinic list, so offeredBy is empty by design rather than by omission.

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