HYDR8, Single Serve 15-CountThe Fastest Hydration. Period. Think of Arma HYDR8 as your personal hydration jetpack. One of the fastest acting hydration mixes available, its designed to deliver electrolytes into the body to support muscle endurance and fend off fatigue, all without extra calories from excess sugar. Built from eight different rapidly absorbing electrolytes, HYDR8 is designed specifically for near instant hydration, whether youre on a ride, on the trail, or