Probiotics are live microorganisms that are claimed to have health benefits when consumed, usually by improving or restoring the gut flora. [1][2] Probiotics are generally considered safe for consumption, but in rare cases may cause bacteria-host interactions and unwanted side effects. [3][4][5] The

The human gut microbiota is involved in a cascade of activities essential for body health. Their imbalance can lead to significant metabolic abnormalities and a plethora of diseases. Prebiotics have emerged as an effective nonpharmacological approach to re-establish gut symbiosis and promote well be

Yogurt is one of the best sources of probiotics, and for children, drinking yogurt not only helps avoid antibiotic-induced diarrhea, relieves symptoms of irritable bowel syndrome (IBS), but also improves bone health. Also, yogurt may be suitable for people who are lactose intolerant. Because bacteria convert some of the lactose into lactic acid, which is why yogurt has a sour taste.

Some studies have pointed out that the proportion of beneficial bacteria in the intestines of people with strong physique reaches 70%, that of ordinary people is 25%, and that of people with constipation is reduced to 15%, while the proportion of probiotics​ in the intestines of cancer patients is only 10%. Therefore, in the long run, appropriate supplementation of some foods rich in probiotics is of great significance for maintaining intestinal health.