Culturelle® Kids Probiotic Chewables use the power of a clinically proven probiotic, vitamin C, and zinc to protect their immune health and help keep your kids healthy for whatever their day may bring.* These four (4) powerful ingredients are packed into once daily chewable for super immunity. Culturelle® Kids Immune Defense Chewables are powered by 5 billion CFU’s of LGG. Over 1,000 scientific studies and 30 years of research have demonstrated the safety and efficacy of this probiotic strain LGG. In addition to LGG, the super immunity kids chewables are made from naturally-sourced Elderberry fruit juice, an ancient superfood, and contain an excellent source of both Vitamin C and Zinc.