Many of us have heard the term probiotic, but what does it mean? Probiotics are small organisms that help maintain the natural balance of organisms (micro flora) in the intestines. The normal human digestive tract contains about 400 types of probiotic bacteria that reduce the growth of harmful bacteria and promote a healthy digestive system. The largest group of probiotic bacteria in the intestine is lactic acid bacteria, of which Lactobacillus acidophilus, found in yogurt with live cultures, is the best known. Yeast is also a probiotic substance. Probiotics are also available as supplements.
It has been suggested that probiotics be used to treat problems in the stomach and intestines. But only certain types of bacteria or yeast (called strains) have been shown to work in the digestive tract. It still needs to be proved which probiotics (alone or in combination) work to treat diseases. The strains of probiotics that have been proved to work for a specific disease are not widely available.
What are probiotics used for?
Many people use probiotics to prevent diarrhea, gas, and cramping caused by antibiotics. Antibiotics kill “good” (beneficial) bacteria along with the bacteria that cause illness. A decrease in beneficial bacteria may lead to digestive problems. Taking probiotics may help replace the lost beneficial bacteria. This can help prevent diarrhea.
A decrease in beneficial bacteria may also lead to other infections, such as vaginal yeast and urinary tract infections and symptoms such as diarrhea from intestinal illnesses.
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