Therapies, graded.
Everything sold for longevity that is not food, training or a capsule: light panels, oxygen chambers, ice baths, electrode suits, compression boots. A few help in narrow ways. Most are priced well ahead of their proof.
The short version: 8 grade Weak — thin proof, still widely sold.
Jump to: Weak (8) · Emerging (1)
Weak evidence
The measured benefits are small, indirect or unproven. Fine because you enjoy it; not something to schedule your life or budget around.
Emerging evidence
Interesting biology, real products on shelves, and no proper human outcome trials yet. Treat it as a self-funded experiment.
How to read these grades. They use the same four-step scale as our test reviews, and they answer a different question: whether doing this is worth your time and money, judged on the published evidence in people. A weak grade means the proof is thin, never that we found proof of harm. Read the methodology.
Prefer to start with what a blood test can tell you? All 48 diagnostic tests, ranked →