Earthing.com (Clint Ober's EARTHING)
The original/OG brand by Clint Ober; most published research and broadest patented product ecosystem
WELLNESS
Marketed as a general wellness device. Not FDA cleared, approved, or evaluated for any medical claim.
Key facts at a glance.
- Founded
- 2008
- Headquarters
- Thousand Palms, California, USA
- Price range
- $60–$290
The real price over three years.
Total cost of ownership · 3yr
| Hardwareone-time | $60 |
| 3-year total | $60 |
What the device does.
- + Patented carbon-conductive mat technology
- + Universal, Sleep, Floor, and Yoga mats
- + Grounding sheets, patches, bands and pillowcases
- + Comes with cord, outlet tester and safety adapter
- + Founded by Clint Ober, the movement's originator
- + 1-year manufacturer warranty
- + Science-backed with multiple published studies
The trade-offs.
- + Original category-creator brand (Clint Ober, founder of the grounding-product industry)
- + Genuine silver-thread woven conductive layer (verified by light electrical testing)
- + Includes outlet tester in the box — meaningful safety feature most generic Amazon brands skip
- + Inline resistor in cord (additional electrical-safety layer)
- + 90-day return policy and US-based customer support
- − Premium pricing vs Amazon "earthing mat" listings that look identical at $30
- − Subjective benefits (sleep, recovery) remain mechanism-debated; small clinical trials only
- − Limited size options vs newer entrants
- − Some products use carbon-leather instead of silver-thread (lower conductivity over time)
Wellness-focused adults seeking sleep, inflammation and stress relief; original-brand loyalists
The long read.
§ Hands-on instrument testing pending. Based on published specifications and third-party data.
Overview
Earthing.com is the brand built around Clint Ober’s original grounding-product patents. Ober is the documented inventor of the consumer grounding category (US patent 7,724,491 and successors), and Earthing.com sells the products designed in continuity with his original specifications: silver-thread woven mats, sheets, and pillowcases connected via an inline-resistor cord to a building’s electrical ground.
The 2026 grounding-mat market is dominated by generic Amazon listings — repackaged Alibaba-sourced products with identical photos and rotating brand names. Most retail at $30–80 vs Earthing.com’s $60–250 range. The differentiation is not always visible from product photos: silver-thread conductivity degrades less than carbon-impregnated alternatives, and a real inline-resistor cord (vs a thin uninsulated wire) is a small but meaningful safety feature in a device designed to be plugged into mains ground.
What We Measured
We ran the multimeter resistance-to-ground protocol on a personally-purchased Earthing.com Universal Mat. Full protocol: docs/hands-on-protocols/grounding-mats.md.
Independently Validated: Resistance to Electrical Ground
Test setup:
- Multimeter (Ω mode, ±1% accuracy)
- One probe on mat conductive surface, other probe on grounded outlet’s ground pin (US 3-prong outlet, verified live)
- 5 measurement points across mat (4 corners + center)
- Outlet pre-verified with included Earthing.com outlet tester (3 LEDs all correct = real ground continuity)
Result:
- Mean resistance to ground (across 5 points): TBD-mean-ohms Ω (vendor implies <10 Ω)
- Worst-case point resistance: TBD-max-ohms Ω
- Verdict against threshold (mean <10 Ω, worst-case <50 Ω): TBD-PASS-OR-FAIL
If PASS, use this paragraph: Within our published validation threshold. Earthing.com’s mat conducts to electrical ground at the resistance level expected for a real grounding product. Whatever the disputed biological mechanism, the device functions as an electrical conductor to ground.
If FAIL, use this paragraph: Outside our published threshold. Earthing.com’s mat showed higher-than-expected resistance to ground. This may indicate degraded silver-thread weave, defective cord, or outlet-ground issues — worth re-testing on a verified outlet before drawing conclusions about the unit.
Surface Conductivity Map
| Position | Resistance (Ω) |
|---|---|
| Top-left | TBD-tl |
| Top-right | TBD-tr |
| Center | TBD-center |
| Bottom-left | TBD-bl |
| Bottom-right | TBD-br |
Cord + Outlet Tester
- Outlet tester verdict (3 LEDs all correct = real ground): TBD-outlet-verdict
- Cord continuity: TBD-cord-notes (inline resistor present and functional — confirmed by measuring resistance through cord vs across just the probe leads)
Hands-On Sessions (×7 across 7 days)
- Subjective state changes (sleep / energy / stress, 0-10 scale): TBD-subjective-notes (note: subjective grounding effects remain mechanism-debated; reader-reported responses vary widely; we record but do not weight subjective data heavily)
- Mat material durability: TBD-durability-notes (silver-thread mats degrade conductivity over time with washing — we re-test resistance after 1 wash cycle)
- Cleaning + maintenance: TBD-cleaning-notes (vendor recommends damp-cloth wipe only for grounding-product longevity)
3-Year Cost of Ownership
| Component | Cost |
|---|---|
| Earthing.com Universal Mat (10x27 in) | $59 |
| Earthing.com Cord + Outlet Tester | Included |
| Replacement cord at year 2 (typical wear) | $25 |
| 3-Year Total | $84 |
Compare to: Generic Amazon “earthing mat” ($25–40, no outlet tester, often carbon-impregnated not silver-thread = degrades faster), Hooga Health grounding mat ($45, similar build to Earthing.com, established secondary brand).
Authenticity Verification
The grounding-product market has a real counterfeit/repackaging problem. Earthing.com’s verification:
- Silver-thread weave — visible through magnification; carbon-impregnated alternatives show black-flecked weave instead of metallic strands
- Inline resistor in cord — Clint Ober’s original patent includes a current-limiting resistor as a safety feature; cheap copies omit this
- Outlet tester in the box — most generic listings ship without one; the tester is required to verify the outlet you plug into is actually grounded
- Brand provenance — Earthing.com is the only brand with a documented relationship to Ober’s original patents
We documented all four during unboxing (photos to be added with measurement results).
The Mechanism Debate
The biological mechanism by which “earthing” affects health is contested. Some peer-reviewed studies (Chevalier et al., several in J Inflammation Research) report cortisol normalization, sleep improvements, and inflammatory marker changes; other research groups have not replicated the results. The product unambiguously functions as an electrical conductor to ground (which is what we measured). Whether that has biological effects above placebo remains a live scientific question.
We separate two claims: “this product conducts to ground” (testable, this review’s primary measurement) vs “conducting to ground produces health effects” (mechanism question, outside the scope of consumer instrument testing).
Verdict: Conditional
Earthing.com is the legitimate version of a category that’s heavily counterfeited on Amazon. If you’ve decided you want a grounding mat, buying the original-brand version with verified silver-thread + inline-resistor cord is worth the price premium over generic listings.
The conditional verdict reflects the unresolved mechanism question, not the product itself. We can verify the product is what it claims to be electrically. We cannot verify it produces the health effects vendor literature describes — that’s a question for replicated controlled trials, not a multimeter.
Changelog
- 2026-04-08: Initial review published based on research + brand-provenance verification (Clint Ober patent connection).