Although all yogurts are cultured by growing bacteria mixture on milk, not all strains of bacteria are probiotic.
The word probiotic means 'life supporting'. Hence, probiotics are bacterias that are friendly for living creatures. When we talk of probiotic yoghurt, we mean that the particular brand manufactures yogurt that has been prepared by friendly bacteria cultures. Companies which produce yogurt containing probiotics are typically far superior in quality and have proven to be of greater health benefits. Adding such yogurt to your diet can tend to be a healthier way to enrich your diet. It is also known to improve gut health of the individual and cure any gastric problems.