Silver Biotics Colloidal Nano SilverSol AgO 10 PPM Immune Support Bio-Hacking Immune Building Natural Support 32 Fl Oz (Pack of 2) – Designed to help boost the immune system with a powerful 10 PPM nano silver solution – Made with SilverSol Technology * Ideal to be used daily with both children and adults – Contains no artificial ingredients, preservatives or additives – 100% Vegetarian & Gluten Free * Scientifically Tested, Used and Recommended by Doctors – During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers recommendations, when provided.