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Colloidal Gold
EnerGold® 24-Karat Gold in a Bottle Colloidal Gold (200 PPM) – Made With The Highest-Purity Commercially-Available 99.99%-Pure Gold! With a concentration of 200 parts per million at the minimum and particle size less than 2 nanometers, EnerGold® 24-Karat Gold in a Bottle Colloidal Gold retains its characteristic beautiful color ranging from bright-pink to red-violet due to the scattering of light by its gold particles, similar in principle to why the mineral iron is the reason for the reddish hues of human blood.
