With Core Hydration+ Immunity, you can face the unexpected. Vitamin C and zinc are added to assist promote a healthy immune system, while lemon extract is added to thrill your taste senses. It's wellness everywhere you go - and with no added sugar, sweeteners, or calories, there's nothing to lose. Core Hydration+ is specially developed for an active lifestyle to keep you feeling your best. A balanced existence entails doing what works for you, and Core Hydration+ understands that reaching genuine balance entails concentrating on the outside as well as the inside. Every Core bottle is 100% recyclable* and BPA free, and we are always exploring for ways to be environmentally friendly while providing options that have a positive impact.