.... amd for harmalas ask whoever gave you the extract how much mg is in it. If you can't, then do harmalas only one night, and if you have heavy body load than its good, if not increase.
There are some considerations for pharma, in short, no food six hours before, no water 2 hours before, it should be dark and a sitter... The whole think after ingesting is about 3 to 4 hours, the following day is better not to have responsibilities. But read more in pharma section, it is not the same as smoking or Aya.