Searched first, found bits of this scattered across old threads, so figured I’d start a proper one.
Most of what gets cited for this traces back to one group publishing in the same journal repeatedly. That’s not damning on its own but it’s worth knowing.
Will update this post if I learn anything useful.
No replies yet. Be the first to add one.
The effect size in that study was statistically significant and clinically trivial. Those are not the same finding and the abstract does not make the difference obvious.
If your solution went cloudy after reconstitution that is usually either the diluent or the temperature it was stored at. Worth posting what you used.
Quantitative amino acid analysis is what actually verifies content. Weighing the lyophilised powder does not, because you are also weighing residual salts and moisture.
BA batch_aria · · 23 found helpful
Batch-to-batch variation is the thing people underestimate. A passing result certifies one lot, not a product line, and vendors know most buyers do not make that distinction.