Argentyn 23 Vertical Spray safe for the whole family to support immune health. Recommended use: Adults 20 sprays, or as directed by a healthcare professional. Children 4 years and older: 10 sprays, 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 Vertical Spray Facts: 20 sprays (2 ml) contain: Silver 46 mcg Other Ingredients: Pharmaceutical-grade purified water. Endotoxin/Pyrogen tested.