California Naturals Immunity Shots$13 for 1oz $17 for 4oz Why you need this: This immunity booster is perfect to keep on hand and use when you feel something coming on. Why I love this: I always carry this in my work and travel bag. I may be obsessed with this product. Its not the best tasting. Its a little rough, but you can feel it working immediately. The blend consists of Opti Zinc, Organic Ginger root, Oregano oil, Organic astragalus root, Grapefruit seed oil, and Organic Oil