The documented route is subcutaneous a shallow injection into the fat layer just under the skin (abdomen, flank or thigh), using a fine insulin needle
The practical answer is simple: if you want the cleanest research comparison, GHK-Cu is easier to evaluate
Kelly-Pieper K, Patil SP, Busse P, Yang N, Sampson HA, Li X, et al
Why the "No Interaction" Label Still Matters Most interaction databases, including the National Library of Medicine's MedlinePlus Drug Interactions tool and the clinical reference platform Natural Medicines, classify the rosuvastatin-vitamin D pairing as having no known pharmacokinetic interaction
Dsip can be metabolized and excreted in the liver, kidneys, and other tissues
Who should not use Saxenda