Silver Shield w/aqua Sol (18 ppm) (4 Fl. Oz.)
Silver Shield with Aqua Sol Technology [ Immune ] provides 18 ppm of silver that stays suspended in purified, deionized water. Silver products have become popular alternatives to other products on the market, and you can trust NSP to provide the highest-quality, safest products available. Just 1 teaspoonful provides a full 90 mcg of pure silver without heavy metal contamination.