Ionic nano-particle colloidal silver, 6 parts-per-million in distilled water.
Do not mix colloidal silver with any other substances; it is recommended that silver be taken alone. Needs no refrigeration but stays more potent when stored in a cool, dark place.
SPECIAL: Free Bonus 1oz nasal sprayer bottle also filled with 6 ppm colloidal silver when you buy the 2oz dropper bottle! Just select the Special in the dropdown menu to get both bottles for the price of one.