Since many peptides are reconstituted once and then drawn from over multiple doses across several days or weeks, the antimicrobial preservative in bacteriostatic water helps maintain the sterility of the vial between uses
For instance, Zhou et al
Missed or late periods: Note how many days late your cycle is, or if you skip a month entirely
3 Enhances Blood Flow Promotes angiogenesis and increases nitric oxide production to deliver nutrients and remove waste from healing tissues
Chen H, Zhang H, Li AM, Liu YT, Liu Y, Zhang W, Yang C, Song N, Zhan M, Yang S
I just faced a similar, although not identical, situation, made the opposite decision, and I can absolutely see why Mike went the other direction