Is there a way to block all electromagnetic energy?

Is there a product that I can wear that actually absorbs or blocks all electromagnetic energy? I've tried wearing pendants that either emit "healthy" fields, or amplify the Earth's EMF. However, I can't even go near places that are well grounded.

Too much energy is a problem for me even if it's healthy.

I've read that crystals may actually absorb energy and you wash them at the end of each day. Anyone?

Any suggestions will greatly be appreciated.

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