what makes the most difference is what you eat. make it as local, fresh, raw and organic as possible.


http://www.healthyeatingclub.com/info/articles/func-foods/probiotics.htm



While many components of dietary fibre such as resistant starch and non-starch polysaccharides provide substrates for fermentation by colonic bacteria, to date only fructooligosaccharides have met all of the criteria mentioned previously to qualify as a prebiotic. Fructooligosaccharides are short- and medium-length chains of b-D fructans. Short-chains are referred to as oligofructose and medium-length chains are known as inulin. Foods containing oligofructose and inulin include garlic, onion, artichokes and asparagus.

also, are you getting iodine? i say that is more important than even folic acid. check it out. iodine will do you more good than the probiotics as well.