The active ingredient of Silver Sab is SILVER ZEOLITE!
The antibacterial activity of silver and its compounds was well known in early history. Even the ancient Greeks and Romans used silver to prevent infections, and in the Middle Ages, silver was used to treat burns and wounds.
American settlers threw the silver coins in milk to prevent lactic-acid fermentation. The sailors on their long journeys put silver coins in barrels of wine and water to disinfect them in the 19th century.