In an ideal world, we wouldn't need probiotics. However, today there are a number of factors that congeal to create a situation in which probiotics do seem to offer benefit for many. Here I describe the various factors that can result in an unbalanced gut and why this happens. Luckily there are things you can do to improve the health of your gut. Probiotics can play a supportive role in that. https://drruscio.com/why-probiotics-are-important
My book Healthy Gut, Healthy You is available at https://drruscio.com/getgutbook/
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