Silver, which occurs naturally in mushrooms, whole grains, water and mammalian milk has been used for centuries to safeguard human health. For over 125 years, colloidal silver has been used in countless applications. Bio-Active Silver Hydrosol has represents the ultimate refinement of colloidal silver. Due to its extraordinary finesse and energy, Sovereign Silver may be your most effective tool to maintain, sustain and support your immune system in an ever challenging and changing environment.*