If you are not sure how much water is in the vial, your doses will be inaccurate and your results unreliable
I have done medical coding for 15 plus years
QTc prolongation is caused by drugs used to treat diabetes, schizophrenia, and other psychiatric conditions [14]
slow 8-week regimens brought it to 0-3.8%, near placebo, at no efficacy cost (Frias 2020): Frias Lancet 2018
The trial proceeded without reported toxicity, and no lethal dose threshold (LD1) was ever established in subsequent safety testing meaning researchers administering the compound could not find a dose that caused death in even 1% of test subjects across the animal model safety work that preceded and followed the human study
Independent testing of research-grade peptides purchased online has found purity levels ranging from below 50% to over 100% of stated concentration, along with bacterial endotoxin contamination and incorrect peptide sequences