Two patterns appear in the literature
If you do not know your concentration, you do not know your dose
If injecting is new to you, learn proper subQ technique before you start - don't freestyle it off a screenshot
They allow adjustments to peptide concentrations, dosage, and formulations, making it easier to align the experiment design with specific research goals
Toxicology 357 , 2132 (2016)
(2013) Safety and Tolerability of the Hexadecapeptide AOD9604 in Humans J Endocrinol Metab 3(12):715 AOD9604 vs Related GH-Axis Research Tools AOD9604s unique combination of GH receptor independence, direct lipolytic activity, absence of IGF-1 stimulation, and confirmed oral bioavailability makes it an irreplaceable research tool for studying adipose tissue metabolism and lipolysis without the systemic endocrine confounds associated with intact hGH or indirect GH secretagogues