What shielding does
Proper shielding uses conductive or otherwise appropriate materials and geometry to attenuate certain fields. Effectiveness depends on frequency, installation quality, grounding where relevant and measurement method.
What source reduction does
Turning off an unnecessary transmitter, increasing distance or changing equipment placement can reduce exposure without adding shielding materials.
What harmonizers claim
Harmonizer brands often claim that they change the quality or biological interaction of an environmental influence rather than simply lowering signal strength.
How to choose
Choose shielding or source reduction when your goal is a lower instrument reading. Consider a harmonizer only when you understand that its claimed endpoint may be different and you have evaluated the evidence for that endpoint.
Common mistake
Do not buy shielding expecting it to preserve every wireless signal unchanged, and do not buy a harmonizer expecting an RF meter to necessarily drop. Match the tool to the outcome.
Continue your research
Sources & verification
This page distinguishes merchant claims from public-health guidance. Product details and policies can change; verify live terms before purchase.
- Somavedic — official site
- Somavedic Help — returns
- Somavedic Help — warranty information
- World Health Organization — electromagnetic fields Q&A
- U.S. FDA — radio frequency radiation and cell phones
Last editorial review: 2026-09-13