Providing Specially Cultured Strains of L.Acidophilus and B.Lactis A Source of L. Acidophilus and B Lactis, Beneficial Microorganisms that Survive Stomach Acidity and Naturally Resides in the Lower Digestive Tract to Help Maintain a Healthy Intestinal Flora. Solgar's Advanced Probiotics utilise a polysaccharide matrix comprised of a specially formulated blend of excipients; this matrix supplies enhanced shelf stability and protects the organisms from destruction when exposed to the stomach acid. Available in bottles of 60 and 120 vegetable capsules. UPC Codes: 14, 25 Suitable for Vegetarians.