MHRB - how long does it stay well?

[Bastiaan]

When packed sealed, how long does mhrb powder stay well, that is being suitabl for extraction without loss of potency?

 

[GOD]

From what i`ve read natural products containing DMT have a very long shelf life . Samples that were very old were extracted and they still contained lots of DMT . DMT is suposed to be very stable .