Each 473 ml (16 fl. oz.) bottle of pH Structured Silver covers over 3 weeks of general internal use (2 teaspoons twice per day). pH Structured Silver is 99.997% pure water and 0.003% (30 parts per million) elemental silver. Wholesale price - $44.84 per bottle. The recommended retail price within your clinic or practice is $69.99 per bottle. pH Structured Silver Medicinal Ingredients (per dose unit) Silver (Colloidal silver) 150 mcg. Non-Medicinal Ingredients Purified water. Recommended Dose Adult: 2 teaspoons 2 times per day. Duration of Use Not for prolonged use. Recommended Use Source of trace element silver. Oral. Cautions and Warnings Consult a health care practitioner before use if you are pregnant or breastfeeding. If symptoms persist or worsen, or if new symptoms develop, discontinue use and consult a health care practitioner.