Harmalas are some of the most durable alkaloids around, afaik. There shouldn't be any significant degradation over time, perhaps if they were exposed to extreme heat for a good period of the three years...but even then, I think it's unlikely.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.