Amazon offers Augason Farms Orange Delight Drink Mix 5 lb. 11 oz. for .  Free shipping with Prime or on orders over $25.

Product Description:

Here’s a delicious drink you’ll want to have on hand to quench your thirst and load up on Vitamin C. With 100% of the daily allowance of Vitamin C per serving, you can’t go wrong with a beverage that’s tasty enough to drink every day and nutritious enough to help keep you going in an emergency. Shelf life up to 30 years based on storage conditions. Certified gluten-free.