Micronised Zeolite is a powder supplement that works at the cellular level, and is safe for humans

Zeolite is one of the very few negatively-charged naturally occurring minerals. 

There are many different forms of Zeolite, but only crystalline Volcamin Clinoptilolite Zeolite is safe for the human body to absorb and ingest. Micronised Zeolite is milled to -10 microns to maximise surface area and absorption capacity and is a finer grade than Fine Zeolite.

Zeolite Clinoptilolite: Therapeutic Virtues of an Ancient Mineral

Exploring the Adsorption Properties of Zeolite in a New Skin Care Formulation