Check the listing for details. Natural Source Colloidal Zinc, Silver & Copper Immune Booster - Four oz dropper. Condition: New. Listed at 11.50 USD. Natural Source Colloidal Zinc, Silver & Copper Immune Booster Support Supplement Ultimate blend for immune support of Nano silver, zinc, and Copper . The product contains 500 ppm Silver, 50 ppm Zinc, & 5 ppm Copper. Our Silver is 99.99% pure Silver blended with Zinc Gluconate and Copper Gluconate with pharmaceutical-grade ultra-pure water. No added salts or proteins Ingredients:Collodial silver, zinc, and CopperAlso contains naturally-occurring trace minerals, including: Boron, Calcium, Chromium, Iodine, Iron, Magnesium, Manganese, Molybdenum, Nickel, Phosphorus, Potassium, Selenium, Sodium, & Sulfur. Suggested use: Adults 10 drops daily Children 5 drops daily Servings Per 4oz Container: 240 May also be used externally (rashes, dry skin etc.)All items all sanitized with UV Lights before shipment!"Handmade in small batches"