[Discussion] the Medutest advice in here is 8 years out of date
I have had 12 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied by about 34 days on nominally the same lane, which matters more in summer than in February. The independent number came back 93.7% against a claimed…
QYB claimed 97.2%, PeptideMeter came back 98.7%. 24 points is inter-lab variance, no drama.
SGN / BPC / batch 6 / Janoshik / 99.3% — that is the shape
QYB claimed 97.2%, PeptideMeter came back 98.7%.
Disagree on that part. 97.2% and 97.4% on the same vial is normal.
template required: vendor / product / batch / service / method / result
inter-lab variance is real, 4 points is inside normal
Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.