How long can Kirkman probiotics be out of the refrigerator (at room temperature) and still be effective?
A—They can be left at room temperature not exceeding 75_ F for a day or two. In excess of 75_ F, however, the integrity of the product can be compromised within about two hours. The hotter the temperature, the quicker cells are killed off. The best scenario is to keep refrigerated in which case, label potency is guaranteed through the best buy date on the label.
