The statements below can all be taken as true, together. Probably doesn't not mean always. https://i.imgur.com/BRNn0rJ.png
If a probiotic is on the shelf, not in a cooler, it's probably not worth buying
Strains that only survive when refrigerated are maybe probably a higher count
There are probably strains that are better but can't be freeze dried
There are absolutely shelf stable probiotics that are worth buying, especially if you don't have access to refrigerated stuff