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Probiotics: Probiotics are beneficial bacteria and are sometimes called friendly germs. They help maintain a healthy intestine and aid in digestion. Most probiotics come from food sources, especially cultured milk products. Probiotics can be taken as capsules, tablets, beverages, powders, yogurts, and other foods. A type of probiotic, called Lactobacillus, which is found in fermented milk, low-fat milk, and lactose-hydrolyzed low-fat milk, may enhance immune function. Another probiotic, called Bifidobacterium, has been studied in the elderly and it may have similar effects. However, commercially produced yogurt may not yield similar benefits. There is some evidence that probiotics added during food preparation (e.g., waffles with Enterococcus faecium M-74 added) can enhance immune functioning. More studies are needed, particularly with yogurt, before a firm conclusion can be made. Read more
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