We recommend refrigerating your probiotics to ensure maximum potency and shelf life.
High Temperatures: Our probiotics are able to withstand temperatures of 104 degrees Fahrenheit for up to 6 days without losing label claim potency. We recommend refrigerating the ProBiota products to ensure maximum potency and shelf life, however the ProBiota products may be left at room temperature for days and even weeks without a great loss of viable organisms.
More specifically, long term testing with our products over two years while stored at 39, 73, and 86 degrees Fahrenheit has been completed. At 73 degrees the ProBiota products began to have a loss of colony counts after one to two months depending on the strain. While these products should not be subjected to high temperatures, being exposed to room temperature and higher for a few days will only result in small losses of organisms.
During the summer months or very hot weather, we recommend purchasing an ice pack with your probiotic or expedite the shipping to account for any time during mailing that may be at very high temperatures. The ice packs will almost always arrive melted, which is not a concern, as the ice packs have done their part by extending the colder temperature during shipping. However, ice packs are not a mandatory part of our shipping procedure as the probiotics are rarely at these high temperatures for a extended period of time.
Exposure to heat is not the only element that can degrade the ProBiota products; moisture and exposure to air are also detrimental. Most probiotics are anaerobic; they live in an absence of oxygen, and so limiting exposure by keeping them in their sealed dry container with the provided desiccant is ideal. Again, our ProBiota products are freeze dried to minimize the degradation caused by oxygen, and by keeping the ProBiota refrigerated in a sealed and dry container you will maximize the shelf life and potency of your ProBiota product.
Cold Temperatures: We recommend refrigerating the ProBiota products to ensure maximum potency and shelf life. However, freezing temperatures should not be a problem for our probiotics. Our raw material suppliers store probiotics material at -4 degrees F to help preserve their stability until time to ship to finished product manufacturing facilities. The majority of our probiotics are manufactured for cold chain distribution which means they are held in 39 - 46 degrees F until time to test and throughout distribution. A colder temperature should only help to preserve the probiotic viability in a finished product.