It's hot outside and you've got a long ride ahead of you. What should you put in your water bottle? Nuun Energy HydrationTabs is the easy answer. The Nuun Energy Hydration tablets are portable, taste great, and best of all, they quickly deliver a fast-absorbing electrolyte blend of sodium, potassium, magnesium, and calcium into your body. Designed to stave off the dreaded bonk, these tablets don't rely on excess sugar or corn syrup for their great taste. Now with an added boost of Vitamin B and caffeine from organic green tea, just pop out a Nuun tablet from the tube, drop it in your water bottle, toss the tube in your jersey pocket and you're ready to go. The 8 pack contains 8 tubes of 10 servings each.