Preclinical findings should remain model-specific
Abels, Improved distribution analysis of cobalamins and cobalamin analogues in human plasma in which the use of thiol-blocking agents is a prerequisite, Clinica Chimica Acta, Volume 131, Issue 3, 15 July 1983, Pages 211-224, ISSN 0009-8981 Thakkar, K., & Billa, G
IGF-1 LR3 can feel more direct because it acts downstream at IGF-1 receptors, while HGH creates broader endocrine changes upstream
Some more sensitive compounds don't tolerate the benzyl alcohol preservative well and are better suited to preservative-free sterile water or saline, even though this typically means the reconstituted solution should be used sooner rather than stored for weeks