Dietary Supplement. Naturally flavored. No artificial colors, flavors or sweeteners. Vegan. Gluten free. Dairy free. Non-GMO. Immune system boost. Daily hydration with: 1000 mg vitamin C; electrolytes; zinc. Dissolves instantly! Hydralyte Plus Immune System Boost contains all the ingredients for fast, effective rehydration and is bursting with Vitamin C to support your immune system. Hydralyte.com. Questions? Visit us at Hydralyte.com or call 1-844-301-2109. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Made in Switzerland.