Hi there,
I like my changa proportions of plant material:Rue Harmalas
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MT to be 2: .25:1.
The harmalas greatly assist in the come-up being slower, and allow for easier navigation within the state.
I found that dry IPA worked very well for me. There are teks for drying store-bought 91% IPA with NaCl and Epsom salts.
A DMT-infused herb blend could be made, with no harmalas, but that's up to you.
I have found the rue-extracted harmalas to be worth exploring and vaping on their own, with cannabis, and of course, with DMT.
I also have had no adverse effects from eating any particular foods proximate to the use of harmalas, but generally avoid alcohol before or after harmalas, just my preference. I have tested many foods rich in tyramine with harmalas, no problems. I usually don't go into medicine space with a full belly either!
I hope that helps....