Hi Brooke,
The definition of a colloid (any colloid)contains the size of the material dispersed which is between 1 nanometer to 1000. Nano Technology would define the particle range as being 100 nanometers or smaller. However, any colloidal silver (and yes, there is such a thing as colloidal ions, and ions can be molecules, larger than a single atom) is generally 90% Nano tech particle size.
I prefer to make my own colloidal silver (90% Colloidal Electrolyte aka silver ions, and 10% metallic silver). Your body absorbs the silver ions with the help of metallothionein (a metalloprotei ...
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