Acidophilus & Bifidobacterium are beneficial, health supporting bacteria found in the digestive tract. Adequate quantities of these are needed to keep a health balance of the gut flora & a probiotic supplement may play a role in maintaining good igestion Acidophilus inhibits the growth of disease-causing bacteria such as E coli, salmonella & streptococcus Fructo-oligosaccharides (FOS), naturally occurring carbohydrates, support the growth of bifidobacterium. Nutrition Information One capsule provides:% EC RDALactobacillus acidophilus 0.5 billion viable cells** Bifidobacterium bifidum 0.5 billion viable cells** Fructooligosaccharides (FOS)100mg**% EC RDA = EC Recommended Daily Allowance ** = No RDA established Directions One or two capsules after each meal or as required. Ingredients Powdered Cellulose, Fructooligosacharicle powder, Vegetable Capsule Shell: Hydroxypropylmethyl Cellulose; Lactobacillus acidophilus powder, Anti-caking Agents: Silicon dioxide, Magnesium Stearate (vegetable source); Bifidobacterium bifidum powder.