Well, it lists that for one known batch of bdfly, whereas for another batch it lists 800ug as heavy.It seems necessary to me.
Erowid lists common oral dosage as 800 mcg to 1.3 mg.
People have suffered extremely toxic reactions from 1 mg.
Doesn't exactly seem like an overdose to me.
If I were taking 1 mg of something I believed to be 2cb-fly, I would probably either weigh 1 mg on a milligram scale, or weigh out 5 mg and divide it by 5 by sight; because the point would be to have a sub-threshold test dose: it wouldn't matter terribly if it were 1, 2 or 3 mg (assuming it really was 2cb-fly; as people presumably did assume). If I were taking 1 mg of something I believed to be brdfly (or, now - since this incident - I'd be more cautious and assume anything could be brdfly until proven otherwise), I would either use a sub-mg scale or I'd combine a mg scale with liquid measurement. Unless I hear otherwise (in which case I will take their word for it), I would assume that these 1 mg doses were not weighed precisely; not least because neither brdfly or any chemical I'm aware of that might be an impurity in brdfly would be expected to be dangerous at sub-mg doses. (Not that I know much about this sort of thing; but nobody's named any possibilities thus far, afaik.)Though you are right, we don't know how their doses were measured. We just have to take their word for it. But isn't it like that with everything of this nature?
ETA: Also, even if it were just a common/heavy dose of brdfly, if you were expecting no effects (at 1mg of 2cb-fly, you'd not expect anything noticeable, right?), I imagine that would be enough to freak you out quite seriously, possibly panic (thus worsening psychological and physical symptoms) and get admitted to hospital.
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