Targeted nutrition for children's immune systems.* Sea Buddies™ Immune Defense* features elderberry, zinc and Vitamins C, B6, and A to support the immune system.Recommended with other products.For extra immune support, children can use Sea Buddies™ Immune Defense* with Esberitox® supercharged echinacea.*Why use Sea Buddies™ Immune DefenseGreat tasting chewable tablet.The kid-tested Sparkleberry flavor makes feeling good taste great!*