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Probiotics - sound familiar? Actually, it might not. You probably have never heard of it, but you're about to be one of the growing number of people that have not only heard of probiotics, but are interested in their useful health benefits.

So, what's a probiotic anyway, and how can it help your life? Well, believe it or not, the thing that so many people are raving about is actually bacteria (Most times - sometimes it is a yeast), and yes, it has many health benefits.

The bacteria you're ingesting is actually good for you. The current definition from the FAO/WHO is "Live microorganisms which when administered in adequate amounts confer a health benefit to the host'. The host, by the way, is you - and you certainly get benefits.

Probiotics can be recommended by a medical practitioner, or your local nutritionist - or, you can take them on your own, and purchase them over the internet from numerous websites.

Many people take probiotics for numerous reasons, the most common being that they've recently taken antibiotics, and strive to create a better balance in their body, with good bacteria. This is the main reason that your family doctor would suggest that you take them, but this isn't the only reason that people take them.

Many rave about the use of probiotics to manage their severe lactose intolerance - so they can have that sip of milk, or bite of ice cream, without feeling ill. Others note that they've found their cholesterol lowered after using probiotics, because it helps break down the bile in your gut.

Yet more people praise probiotics for improving the immune system, as they may protect you from pathogens that can cause serious harm. It's because the probiotics basically compete with other bacteria for growth in your body, and they can push the negative bacteria away.

Interested in purchasing your own probiotics for home use? Don't worry - they're not dangerous, if used properly, and have none of the harsh side affects that happen from other over the counter medicines.

Karen Larsen is a free lance writer who writes on health issues. She invites you to visit her other EzineArticles