The diluent is added slowly against the inside wall of the vial rather than directly onto the powder, and the vial is swirled gently rather than shaken vigorously, because mechanical agitation can stress peptide structure and generate foaming
And one of the ways to stave that off, they believe, is, like, do crosswords, do a bunch of different things
HPLC testing is the only definitive way to confirm remaining potency, but that's impractical for most individual researchers
Pro tip: write the reconstitution date on the vial so you know when the 21-day window expires
Purity is achieved through an advanced distillation process including fermentation, centrifugation, cell extraction, filtration and crystallization