What I've been able to conclude for my own situation is that probiotics have a dramatic effect on diarrhea. A few years ago when I had blood, but no diarrhea probiotics did nothing for me. Last year...
Hmm I take two 400mg capsules in the morning and at night. I started taking it the same time as starting a regimen of boswellia, S. Boulardii, and kefir so I can't really identify how big of a role...
Earlier I posted that temps over 100* would harm the kefir grains, but I'm coming back to edit this because I'm betting some of the lactic acid bacteria would survive. While it would ruin the grains...