SHIPPING DAYS: Probiotics will only be shipped Monday through Wednesday to avoid weekend delays. Orders for probiotics received on Thursday or Friday will be held for shipment on Monday. ORDERS RECEIVED AFTER 2 PM PST ON WEDNESDAY WILL BE SHIPPED ON MONDAY. DURING WARM WEATHER: To better protect your probiotics, Kirkman® now requires 2 day or next day shipping service during warm weather. (We will honor your shipping choices and not automatically upgrade your shipping methods). DURING COLD WEATHER: Kirkman® recommends 3-business days service to most locations. If you have any questions regarding your probiotic shipping please call our customer service department at 1-800-245-8282. A special yeast with probiotic effectiveness that supports the immune system and gastrointestinal (GI) system health. Free of common allergens. Casein and gluten free. 100 vegetarian capsules. Ultra Tested®. Kirkman offers the single strain Saccharomyces Boulardii (S. boulardii), a special yeast with probiotic effectiveness. S. boulardii is a non-colonizing baker’s yeast species that is closely related to brewer’s yeast, known as S. cervesiae. It is not related to the Candida species (Candida albicans, tropicalas, etc.), which can cause the presence of unhealthy microorganisms in the GI and genitourinary tracts. S. boulardii is a unique probiotic that survives gastric acidity, is not adversely affected or inhibited by antibiotics and does not alter or adversely affect the normal flora in the bowel. For this reason, “friendly” probiotic organisms (including Lactobacillus and Bifidobacterium) can be taken at the same time as S. boulardii. FREE OF: Milk, Eggs, Fish, Shellfish, Tree Nuts, Peanuts, Wheat or Soy OTHER INGREDIENTS: Vegetarian Capsule (hypromellose and water) WARNINGS: KEEP BOTTLE TIGHTLY CAPPED. DO NOT REMOVE THE DESICCANT BAG OR OXYGEN ABSORBER IF PRESENT. KEEP OUT OF THE REACH OF CHILDREN.