Snake Oil or Science?

Is grounding (earthing) legit, or pseudoscience?

Mostly snake oilFEvidence grade: No credible human evidence

Grounding rests on a small set of low-quality studies run largely by the people promoting earthing products, with essentially no independent replication and health claims far beyond what any of it shows. Verdict: mostly snake oil.

Created by Maurice Lichtenberg, Founder, Longevity Cities · Reviewed 2026-07-02

What the evidence says

The published studies are small, often unblinded, and dominated by a handful of the same authors and companies that sell grounding mats and sheets.
Reported effects are on subjective or surrogate measures (mood, self-reported pain, small marker shifts), not blinded hard outcomes.

Where the claims outrun the evidence

Independent teams with no commercial stake have not replicated the headline claims, which is the single biggest red flag here.
The marketing mechanism (absorbing 'the Earth's electrons' to cure inflammation) borrows scientific language without a testable, quantified pathway.
Claims sweep across many unrelated conditions at once, the classic cure-all pattern.

Safety and caveats

Walking barefoot outdoors is harmless and pleasant; the risk is spending money on mats and sheets sold on unproven medical claims.

The bottom line

There is nothing wrong with going barefoot on grass. There is a lot wrong with selling grounding equipment as a cure for inflammation and disease on the strength of studies run by the sellers themselves.

Check it yourself

Frequently asked questions

Is grounding a scam?

The activity of standing barefoot on the earth is free and harmless. The scam risk is in the products and the medical claims: grounding mats and sheets sold as cures, backed mainly by small studies from the promoters, with no independent replication.

Does grounding reduce inflammation?

The evidence for that specific claim is weak and largely comes from researchers connected to grounding products. Independent, blinded confirmation is missing, so the honest answer is that it is unproven and shows classic pseudoscience patterns.

Checking a different claim?

Run any longevity or anti-aging claim through the free checker and get a verdict from real science to probably snake oil, plus the exact red flags it finds.

Check any claim

This is an educational assessment of how a claim is presented and what evidence backs it, not medical advice. It does not diagnose, treat, or tell you to start or stop anything. Verify with your own doctor and the primary sources.