Pass That Probiotic is an excellent quality 4-strain probiotic supplement that comes in vegetarian capsules and is dairy/gluten free. This probiotic has 30 billion CFU (Colony Forming Units) per capsule and is nitrogen purged in aluminum blister packs, protecting the live bacteria from heat, moisture, and oxygen. Factors such as these may compromise stability and efficacy so it is critical that the probiotics you are consuming have been temperature controlled and protected like these have! Pass That Probiotic also uses specially designed innovative capsules that help slow exposure of actives to stomach acid and ensure a more targeted release. A good probiotic is essential to helping maintain a healthy gut flora. Pass That Probiotic is without a doubt one of the most effective, clean, high quality probiotics that you’ll find!