B4 is pharmacist-created for precovery™, so you can show up ready for every part of your day, without compromise. Our proprietary formula gives you: Maximum Hydration, Immunity Boost, Natural Detoxifier & Caffeine-free Energy. The B4 Precovery™ Stack is the only all-in-one wellness and performance supplement designed to help everyday high performers like you bring your A-game to everything you do. Power up your immunity or prep for a workout, sharpen your focus or prime your body for a night of drinking. Our travel-friendly powder lets you live your life without compromise.