Cleanse and protect with Silver Shield. Scientific research is demonstrating that this form of silver has remarkable effects on a wide range of surface organisms. Research indicates that Colloidal Silver deactivates the enzymes responsible for the metabolism and multiplication of bacteria, fungi and viruses. BENEFITS OF SILVER SHIELD Nature’s Sunshine’s Silver Shield is safe and effective Its fine particle size colloids ensure maximum efficiency This product is completely non-toxic Potent germ barrier and surface cleanser Use as a water purifier Just 1 teaspoon (5ml) provides a full 100mcg (20ppm) of pure silver without heavy metal contamination Suitable for vegetarians and vegans