PediaSure SideKicks provides balanced nutrition, 40% more protein, and 25% fewer calories than PediaSure Grow & Gain. It's available as a convenient, ready-to-drink shake and an immunity booster supplement for kids. Every drink has protein, vitamins A & D, and zinc, and vitamins C & E, and selenium, which are antioxidants that are vital to immune function. All seven of these nutrients support immune systems.