âWHENâ by Vita Pro 21 is a premium wellness drink that offers a fast and effective solution to help you recover, revitalize, recharge, rejuvenate and rebalance. âWHENâ is a full spectrum of vitamins and herbs that support mental health, digestion, cardiovascular, immune, hormonal and respiratory systems. âWHENâ gives you energy, health, and vitality. Check out our real unpaid customer testimonials and some Hangover Ninja adventures.