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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. They also help keep harmful bacteria and yeasts in the gut under control. Most probiotics come from food sources, especially cultured milk products. Probiotics can be taken as capsules, tablets, beverages, powders, yogurts, and other foods. Lactobacillus in fermented milk, low-fat milk, or lactose-hydrolyzed low-fat milk may enhance immune function. Bifidobacterium may as well, including in the elderly. 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.Probiotics are generally considered safe and well tolerated. Read more
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