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Hi.How long can i use DCA after the package has been opened? Does it go out off date quicker when it is exposed to air?Do you suggest taking metformin together with DCA? Thanks. Kristina


Hello, Dear Kristina.

You should try to look on the package of the product you purchased. Typically, if DCA doesn't gather moisture it can be kept for a few years. This is why we advise you to store it somewhere cool and be sure that the bottle is tightly sealed at all times.

We have read some informaton on metformin + DCA, it seems that it might have some benefit to take these two medications together. For example, look at this study:

Also, the question regarding storage is answered with details in this article: