Immunity Plus provides a practitioner grade formulation to support immune function. It supports the immune system to fight illness and maintains immune system health. This means youre less likely to get run down and catch a cold (and more likely to bounce back faster if you do). Dose for dose. Feel good. Give back. Adult dose: Take one to two capsules daily with food or as recommended by your healthcare practitioner. Each vege capsule contains Ascorbic acid (Vitamin C)250 mg Zinc citrate dihydrate15.6 mg equiv. Zinc5 mg Colecalciferol (Vitamin D 500 IU)12.5 mcg Excipients: Colecalciferol, Microcrystalline cellulose, L-Leucine, Colloidal anhydrous silica.