BPC-157 shelf life expiration refrigeration storage FAQ Durham Peptides Canada BPC-157 storage questions are among the most common questions Durham Peptides receives. Does it expire? Does it need refrigeration? Can you freeze it? What about after reconstitution? Each of these is a legitimate question with a specific answer, and research outcomes depend on getting the storage details right. This FAQ addresses the BPC-157 shelf life, expiration, and storage questions directly.