I was ecstatic when I unexpectedly saw the Gluten-Free Chex in the grocery store. I immediately bought the Rice Chex and the Corn Chex. I have been eating a bowl of Chex (either one, but usually Rice Chex) every a.m. with Lactaid for the last few weeks. I started noticing intermittant GI problems (diarrhea, bloating, etc.) right away, but I knew there was...