The ratio is set once, under controlled conditions, rather than re-established by the end user before every dose
Per-IU equivalence on a U100 syringe At 2 mL reconstitution (the typical research middle ground): 1 IU on a U100 syringe corresponds to 250 micrograms of GHK-Cu, 50 micrograms of TB-500, and 50 micrograms of BPC-157
The potential for encountering peptides with impurities is exacerbated in the existing market, which supplies current peptide users with research chemicals that dont meet safety standards for human use
It sounds like something straight out of high school chemistry class
Products stored in clear glass or left near bathroom mirrors with heat and humidity exposure will have shorter active lifespans than the label expiry suggests
Biochim Biophys Acta 1224:333341 Di Marzio L, Alesse E, Roncaioli P, Muzi P, Moretti S, Marcellini S, Amicosante G, De Simone C, Cifone MG (1997) Influence of l-carnitine on CD95 cross-lining-induced apoptosis and ceramide generation in human cell lines: correlation with its effects on purified acidic and neutral sphingomyelinases in vitro