Proper refrigeration is critical for many probiotics, both before and after they are purchased. In fact, in 2009 the majority (85%) of probiotics selected for testing by
Refrigerated probiotics have been shown to maintain freshness and potency. is a non-prescription probiotic brand that maintains continuous refrigeration.
Most people are aware that refrigeration increases the shelf life of probiotics. But it's hard to sort out whether this is true for all probiotics. Are there certain brands .