Adding the clinical framing, because it changes how the question reads. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.
Dr.PulmRoch said:The useful move here is to separate what is established from what is widely repeated.
Second this.
Moderator note: the sourcing question belongs in the vendor section and has been split out. Report rather than reply if it drifts again.
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Browse GL BiochemAdding the numbers, since they settle part of this. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.
One thing that is still open after Dr.PulmRoch’s answer:
Did your prescriber agree with that reading, and if not what was their objection?