Probiotics can be bacteria and yeasts. But most Probiotics are bacteria. Among bacteria Lactic Acid Bacteria are more popular. Lactobacillus casei , Lactobacillus acidophilus, Lactobacillus helveticus, Streptococcus thermophilus and Bifidobacterium breve are commonly used probiotics.
Everyone needs Probiotics. Trillions of bacteria reside in our gut, some are beneficial while others are harmful. Sometimes due to stress, illness, indiscriminate use of antibiotics, inadequate diet and sleep, the good bacteria in the gut get depleted leading to indigestion, infections and discomfort. Daily intake of probiotics in the diet, helps to remain healthy by replenishing the good bacteria in the gut.
Most Probiotics do not permanently colonize in the intestine but exert their effects as they transit through the intestine. Thus daily consumption of these bacteria is the best way to get maximum benefit.
Probiotics generally help to maintain a healthy digestive system by maintaining the balance of the gut flora.
Several studies suggest that probiotics may play an important role in improving bowel function and hence prevent diarrhoea and constipation, gastrointestinal diseases such as IBS and IBD, cancers, allergic disorders and respiratory diseases.