Research foundation reference
How Peptide Therapy Is Typically Administered Peptides can be delivered several ways, though not all are appropriate for every compound or every patient: Injection (subcutaneous or intramuscular), administered under medical supervision Topical formulations , most common for GHK-Cu specifically Oral formulations , though bioavailability is generally lower than injectable routes Dosing, frequency, and any cycling schedule should be set individually by your physician based on your health history, goals, and, for compounds still working through FDA rulemaking, current legal availability
10.1016/j.jep.2021.114132 62 GhasemzadehA.JaafarH
Accordingly, observations reported for GHK-Cu, BPC-157 or TB-500 should be considered independently, while recognising that the complete blend has not been evaluated in dedicated clinical trials