Natures Aid OptiGUT-C is a combination of good bacteria, Prebiotic fibre & selected nutrients which has been selected to support healthy digestion. The probiotic blend contains Lactobacillus Plantarum, Lactobacillus rhamnosus and Bifidobacteria animalis subspecies lactis. Each dose contains 15 Billion units of good bacteria & 3 g of fibre. Helpful for those with sluggish digestion or suffering with constipation. Also, beneficial for after antibiotics especially those unable to take capsules.