Argentyn 23 Bio-Active Silver Hydrosol is composed of only 99.999% pure silver and purified water meeting. It is a unique mixture of the most active and effective species of silver positively charged silver ions and particles of an unprecedented size as small as 0.8 nm. With the smallest particles and highest charge ratio, it is the ultimate refinement of colloidal silver, offering your patients the most effective and safe dietary silver supplement available.*Dietary ConsiderationsGluten FreeVeganNon-GMOServing Size:1 TeaspoonServings Per Container:189 Amount Per Serving Silver Adults 115mcg Silver Children 4 years and older 57.5mcg Other ingredients: Pharmaceutical-grade purified water Directions: - Adults: 1 teaspoon, hold under tongue for 30 seconds, then swallow. - Children 4 years and older: 1/2 teaspoon. - Maintenance*: Once daily. - Immune-Building: 3 times daily. - Long-Term Immune Support*: 5 times daily. - Short-Term Immune Support*: 7 times daily.Endotoxin/Pyrogen tested.For best shelf-life, avoid strong sources of electromagnetic energy and direct sunlight.Vegan. Allergen, gluten and GMO free.