Z Natural Foods IMMU-C is natural beverage mix designed to support a healthy immune system. IMMU-C contains Organic Turmeric Root, Organic Ginger Root, Organic Chaga Mushroom Extract, and Organic Red Reishi Mushroom, which the company says have traditionally been used to support healthy aging, circulation, digestion, and further supporting healthy immunity. It also contains Organic Mangosteen Fruit and Organic Sea Buckthorn, which includes a full spectrum of fatty acids 3, 6, 7, and 9. It is 100% natural, organic, and minimally processed. Available in 1 lb (16 servings), 5 lb bag (80 servings), and a 55 lb for (890 servings).