Twelve categories. Halacha-aware.
Every device is ranked by the same Human Evidence First standard we apply to supplements, with a Halacha Notes field on each guide so you can discuss Shabbat, Yom Tov, and choleh status with your rav before scheduling sessions.
Infrared Sauna
Grade A — The Finnish KIHD cohort + RCTs on blood pressure, endothelial function, and recovery.
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Red Light Therapy
Grade A — RCTs across skin collagen, joint pain, wound healing, and emerging cognition trials.
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PBM Beds
Grade B — Smaller RCT base than panels, but the only way to dose the entire body at clinical irradiance.
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HBOT
Grade B — Tel Aviv telomere-and-senescence RCT pushed HBOT into longevity conversations; protocol matters.
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Cold Plunge
Grade A for mood and brown-fat signaling; weaker for recovery if you also lift heavy.
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PEMF
Grade B — Strong orthopedic RCT base; longevity claims outrun the data.
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Molecular Hydrogen
Grade B — Real selective antioxidant biology; small RCTs are positive, large-cohort data is missing.
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Brain Stimulation
Grade B — FDA-cleared depression indication (tDCS) and growing transcranial PBM literature.
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VNS & Vagal Stimulation
Grade B — Anxiety and HRV signals are real; longevity endpoint data is preliminary.
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Whole Body Vibration
Grade B — Bone density, balance, and sarcopenia signals in older adults; not a replacement for resistance training.
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Recovery Devices
Grade B — Subjective recovery and edema reduction are well-established; longevity claims outrun the data.
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Fitness Technology
Grade A — VO₂max and HIIT protocols have the strongest longevity-endpoint data of any device category here.
Read full guide →Citations live on each individual guide. Halacha discussion points are educational only — pasken with your own rav.