Are there expiration dates for cannabis tonics?

Hi there! While I haven't had a chance to experience this myself (I pretty much use all of every thing I buy) check out this answer to a similar question:

https://www.hellomd.com/answers/58a2857f1e9cce00157c7895/do-tinctures-have-a-shelf-life-do-they-ever-have-an-expiration-date-or-lose-potency-over-time

Hope that helps!

melissa