Both have been studied in clinical trials and shown to support weight reduction in selected populations
Schmeltz L, Metzger B (2007) 6.19diabetes/syndrome X
Research has explored GHK-Cu for its role in: Supporting collagen and glycosaminoglycan synthesis Assisting normal wound-healing pathways Promoting antioxidant activity Supporting tissue remodeling processes Natural levels of GHK-Cu decline with age, which may influence the bodys regenerative capacity
You can, but more isn't necessarily better
Tirzepatide (50 mg) is for laboratory research use only and is not intended for clinical or therapeutic applications
On the other hand, Glu 127 , which appears to interact with the antagonist but not GLP-1, could not be truncated without loss of Ex4(9-39) affinity, suggesting that the observed interaction with Lys 27 of the antagonist is important (Mann et al ., 2007)