Dr.BariatricHTX said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
This is my experience too, for whatever a second data point is worth.
BethLabQueen said:Practical: whatever you change, write down the date and the reason.
Adding a me-too, because a thread of one person's experience is not much use.
BethLabQueen said:Practical: whatever you change, write down the date and the reason.
Adding the part of the answer the thread has not reached. It is worth asking what the claim would look like if it were false. If nothing would look different, it is not a claim about the world and no amount of discussion will settle it.
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Browse GL BiochemOne concrete data point for the thread. The boring version of this is the one that works, and the boring version is: measure a baseline, change one variable, wait, measure again under the same conditions. Nobody wants that answer and it is still the answer.
Moderator note: the sourcing question belongs in the vendor section and has been split out. No action needed from anybody.