ROCKS Probiotics are specially formulated live cultures. They are shipped in and stored frozen to ensure optimum effectiveness when it reaches you on the shelves.  

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Can dead bacteria be probiotics?

No. Probiotics by definition must be alive when administered. Some publications have suggested that dead bacteria can have positive physiological effects. In fact, there are commercial products that specifically are comprised of dead bacteria. However, such products are not probiotics. The number of studies on dead bacteria are quite few and it is unlikely that dead bacteria could mediate the many positive effects demonstrated by live, probiotic bacteria.

Ref - Consumer guidelines for probioticsand prebiotics prepared by International Scientific Association for Probiotics and Prebiotics published by California Dairy Research Foundation. 

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