Argentyn 23 Dropper provides safe and precise levels of functional silver. Adults: 1 teaspoon, hold under tongue for 30 seconds, then swallow, or take as directed by a healthcare professional. Children 4 years and older: 1/2 teaspoon or as directed by a healthcare professional. Maintenance: Take Once daily. Immune-building: Take 3 times daily. Long-Term Immune Support: Take 5 times daily. Short-Term Immune support: Take 7 times daily. Label Information Argentyn 23 Dropper Facts: 1 teaspoon (5 ml) contains: Silver 115 mcg Other Ingredients: Pharmaceutical-grade purified water. Endotoxin/Pyrogen tested.