Chlofloso wrote: Look at these studies concerning storage of probiotics:
Lactobacillus acidophilus and Bifidobacterium bifidum stored at ambient temperature are effective in the treatment of acute diarrhoea.
Dying in yoghurt: the number of living bacteria in probiotic yoghurt decreases under exposure to room temperature.
Thank you those article extracts are quite interesting. At least the store bought probiotics stored on the shelf may still have some benefits. It would be good if there was a study on probiotics that were left at room temperature for several months and their effectiveness then assessed.