No sterile water for injection (SWFI) does not contain a preservative, meaning bacterial contamination begins immediately upon opening and worsens with each needle puncture if youre drawing multiple doses from the same vial
I use Pascoe (1500 micrograms) now, and did initially use Rotexmedica
Cameron-Vendrig A, Reheman A, Siraj MA, Xu XR, Wang Y, Lei X, Afroze T, Shikatani E, El-Mounayri O, Noyan H, et al: Glucagon-Like Peptide 1 Receptor Activation Attenuates Platelet Aggregation and Thrombosis
53 In addition to neuroprotective potential of Ex-4 on CNS by the inhibition of apoptosis, this factor is also able to pass across the blood-brain barrier and binds to GLP-1R followed by the activation of adenylyl cyclase, PKC and mitogen-activated protein signaling pathways could regulate brain bioactivity and memory function