This is my subjective opinion, not an authoritative resource. These metrics are highly interpretive and are influenced by an enormous range of factors. I tried to provide averages/ranges accounting for the a most common methods/extractions of each drug. I can draw on personal experience for most, but did my research on consulted others as needed. It won't just be psychedelics!
Read below for explanation on each review metric:
Select a Substance Below
[On mobile -> Scroll L/R, click images for my blog review of each substance]
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