Very important note: If you really need to be on a low carbohydrate diet and you can not consume more prebiotics for whatever reason, then you may want to supplement with FOS powder or resistant starch - rich unmodified potato starch (unless you have an autoimmune condition). (bembu.com)
I am now now adding 30 - 50gms of resistant starch to my diet daily in the form of unmodified potato starch. (humanfoodproject.com)
Again, the easiest and cheapest way to dose resistant starch is via unmodified potato starch. (freetheanimal.com)