More and more evidence is showing that gut bacteria plays a crucial role in our health.
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I had a lot of symptoms from stomach flora imbalance about four months or so ago. I started with yogurt and now use probiotic tablets. Cleared up all the symptoms that I had.

I read that probiotics will help in yeast infections. Seen it on the counter at my druggist.
Also read probiotics will aid in nail fungus. Before I started on yogurt and probiotics I was having problems with fingernails billing. That has pretty much cleared up. I am assuming the probiotics took care of the problem.

Probiotics also aids in weight reduction with the control of candida I read. My weight has started to go down as a matter of fact.

I feel better on overall health as some of the article say probiotics aid in the flushing of toxins in the body.

Do a search for "stomach flora", "probiotics", and "candida" and you will find a lot of articles.
Decide for yourself whether it is beneficial.

they then used bacteria cultured from the stools
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That line speaks for itself.