People are spending a fortune on probiotic drinks such as Actimel and Yakult together with supplements containing so-called good bacteria, However research has shown that they may be have no health benefits. The theory is that they replace or add to the beneficial bacteria in our guts. Trouble is that the acid in our stomachs destroys most of the bacteria in the supplements. The moral of the story is: stop wasting your money and buy a treadmill instead. It will have far greater health benefits