Power up and revitalize with Electrolyte Stamina Power Pak + Immunity by Trace Minerals. It s our classic Espp formula that s bursting with essential immune supporting antioxidants, including 1,200mg of Vitamin C, manganese, and selenium, and is now equipped with Elderberry, additional Zinc, and Vitamin D for even more immunity support. It also features other vitamins, minerals, and electrolytes for daily energy and hydration. Take 1 packet daily. Open packet, pour drink mix contents with 2-3 oz. of water and dilute to your taste preference. Additional packets may be taken depending on physical activity. Some caking may occur but does not affect the quality of the product. Trace Minerals is America s #1 Trace Minerals Supplement Brand. Since 1972, Trace Minerals brand has been recognized around the world as the pioneer of ionic trace mineral products that have supported consumers in living healthy lives.