Probiotics are live microorganisms, such as bacteria and yeast, found in fermented foods, supplements (prescription and over-the-counter), and beauty products. According to the National Center for Complementary and Integrative Health (NCCIH), they help the body digest food, kill harmful bacteria, and provide vitamins. Probiotics mainly affect the microorganisms present in the large intestine, which are billions of bacteria, fungi and microbes (small living organisms).
Probiotics are also broadly divided into types; Their name consists of the Latin name of the genus and species, followed by their specific strain. There are many types of probiotics, each providing different health benefits. Common probiotics belong to the Lactobacillus, Bifidobacterium, Saccharomyces, Streptococcus, Enterococcus, Escherichia, and Bacillus groups.
Not all types of probiotics in probiotic supplements have proven health benefits, so it's important to read the label carefully before choosing a supplement. The label with additional information on the bottle should state the probiotic strain, the total weight of microorganisms present in the product , and the number of colony forming units or CFU per serving , according to the national office. Medical institutions. Food supplements 
What are probiotics used for?
Probiotics are live microorganisms that act in the digestive system and affect the gut microbiome. They help prevent the appearance of harmful bacteria and improve digestion and intestinal function. Different types of probiotics provide different health benefits.
Are probiotics useful?
Research from the 1990s showed that probiotics can be effective in treating certain gastrointestinal disorders, possibly delaying certain allergies in children, and treating and preventing infections of the genital and urinary tracts.
According to Harvard Health, other benefits of probiotics may include:
Using the right type of probiotic can help improve digestion and bowel function, as well as protect against harmful microorganisms. However, there are no standard guidelines for the use of probiotics by healthy people. Therefore, it is recommended to consult a doctor before deciding which probiotic to choose.