Support Your Overall Health & Wellness Culturelle Health & Wellness Immunity Support Formula contains 15 Billion active cultures of 100% Lactobacillus GG, the most clinically studied probiotic strain. ThatÎ“Ã‡Ã–s a clinical strength serving or amount of probiotics in every capsule. When taken every day, Culturelle supports your natural defenses for stronger core health. Get all the benefits of Culturelle Health & Wellness Probiotic in a vegetarian formula with Culturelle Vegetarian Health & Wellness Probiotic. How Does it Work? Culturelle Health & Wellness safely and naturally restores the balance of good and non-beneficial bacteria in your digestive tract, where 70% of the bodyÎ“Ã‡Ã–s immune system resides. Balancing this bacteria not only gives your whole immune system a tune up and supports your natural defenses, but also helps your digestive system work better.