Probiotic tablets. Tablets containing probiotic bacteria which are claimed to have beneficial health effects. The grainy tablets contain Lacto- bacillus acidophilus bacteria & the plain ones L. salivarius. Probiotic products claim to colonise the gastro-intestinal tract with probiotic bacter- ia that help digest food, produce essential vitamins, maintain normal bowel functions & counter pathogenic bacteria; they may even improve the recovery of intestinal disorders and stimulate the immune system. Healthy people have many bacteria in their intestines, but their numbers may become depleted due to a poor diet or the use of antibiotics and other drugs.