SCIENTIFICALLY PROVEN: Culturelle Kids Immune Defense leverages a blend containing scientifically proven probiotics, along with naturally-sourced elderberry, plus Vitamin C and Zinc.MOST CLINICALLY STUDIED PROBIOTIC STRAIN: Contains 100% of the probiotic strain Lactobacillus rhamnosus GG (LGG), which is the most clinically studied probiotic strain in children.SUPPORT YOUR IMMUNE SYSTEM: Elderberry, Vitamin C & Zinc: Made with real elderberry fruit, these chewables taste great and deliver zinc & the antioxidant vitamin C to help support your child's immune system. CDHF certified. ONE A DAY: Children ages 3 – 14 years old take one (1) chewable tablet daily. For ongoing digestive and immune support, continued daily use is recommended. These mixed berry chewables are sugar free and allergy friendly: free from gluten, soy, eggs, tree nuts and peanuts.From the # 1 Pediatrician Recommended Brand in the US, Culturelle Kids Immune Defense is a source of vitamins and minerals, factors in normal growth and development.