The new Camelbak Elixir tablets will take your outdoor hydration to the next level! Blend of electrolytes, vitamins and minerals help maintain body fluid balance to keep you on the go. Self dissolving effervescent tablets are designed for use with hydration reservoirs one tablet per liter of water. Sugar free formula leaves no residue, which makes cleaning your reservoir easy. Tablets are stored in 4.25 x 1.25 inch plastic tube that easily fits into a backpack or jacket pocket. Vitamin C 86 mg, calcium 36 mg, magnesium 18 mg, manganese 1.4 mg Made in USA.