Is yogurt a probiotic?

Is the use of yogurt during and after antibiotic therapy to restore intestinal microflora justified by research?

According to the WHO (World Health Organization) definition of 2001, probiotics are living microorganisms that, given in appropriate amounts, have a beneficial health effect. There are many dairy products on the market that contain live bacterial cultures (eg containing bacteria of the Lactobacillus and Streptococcus genus ) , which are often recommended when taking antibiotics.

The use of antibiotics eliminates not only the bacteria that cause the disease being treated, but also wreaks havoc on our intestines. Sterilization of the large intestine from its natural microflora results in lower immunity and may even lead to the development of food allergy.

Is it enough to consume probiotic yogurt to rebuild our natural intestinal microflora?

Bacteria contained in probiotic yogurts certainly alleviate the symptoms of lactose intolerance, both in children and the elderly. Yogurts contain live cultures of Lactobacillus bacteria that can reduce the clinical symptoms of lactose intolerance (diarrhea, bloating). During the yogurt production process, these bacteria produce galactosidase, an enzyme that breaks down lactose into D – glucose and D – galactose, thus improving lactose tolerance.

Unfortunately, the strains present in probiotic yogurts are not resistant to hydrochloric acid and bile. Therefore, most of them die in the stomach and do not reach the large intestine. They do not show the possibility of colonization of the gastrointestinal tract, they do not have the ability to adhere to the intestinal epithelium. Thus, their health-promoting properties and the suitability of use during antibiotic therapy are limited.

The only scientifically documented act of yogurt is to reduce the risk of diarrhea associated with antibiotic therapy and Clostridium difficile infection in people over 50 if consumed while taking antibiotics and 7 days after the end of therapy.

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