Adding the clinical framing, because it changes how the question reads. The distinction that resolves most of these threads is between what is true on average and what is true for one person. Both are real; they answer different questions and get quoted as if they were the same one.
Dr.KarenChen said:The distinction that resolves most of these threads is between what is true on average and what is true for one person.
Mine went the same way, slower. Nothing to add that would improve it.
Dr.KarenChen said:The distinction that resolves most of these threads is between what is true on average and what is true for one person.
Coming at Dr.KarenChen’s question from a different direction. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.
Trusted third-party HPLC & mass spectrometry analysis. Verify peptide purity with the lab the community relies on. Independent. Accurate. Transparent.
Verify Your PeptidesEst. 1998. The synthesis house behind the vials you send for testing. ISO 9001 and cGMP certified, 1,500+ staff, batch-specific COA with every order.
Browse GL BiochemThe figures, for anyone assembling their own picture. Worth stating the units and the reference range whenever you post a number here. A large fraction of the apparent disagreement in these threads is two people using different units and both being right.
One thing that is still open after Dr.KarenChen’s answer:
What would you measure differently if you were starting again?