Ascorbic Acid Acts as an antioxidant that may help protect cells from free-radical damage, absorb iron, create collagen and boost immunity
Skin aging In a 2018 review, the authors detailed multiple positive studies and trials on the use of GHK-Cu for signs of skin aging

Growth hormone, for its part, increases cellular replication, encourages collagen synthesis in your skeletal muscles, and stimulates the production of a separate hormone called insulin-like growth factor-1 (IGF-1), which helps regulate the process by which your body creates fat.1 2 3 Given these qualities, a higher concentration of circulating growth hormone can lead to improved exercise training, increased muscle strength, and a decreased propensity for fat accumulation.4 Despite belonging to the same category and effecting a common outcome, CJC-1295 and ipamorelin have distinct mechanisms of action: CJC-1295s mechanism of action CJC-1295 mimics a chemical from the hypothalamus called growth hormone-releasing hormone (GHRH), which tells the pituitary gland to release growth hormone.5 Ipamorelins mechanism of action Ipamorelin is an analog of ghrelin, a hormone originating from the cells in your stomach.6 As such, it binds to the brains ghrelin receptor and, like GHRH, stimulates growth hormone secretion from the pituitary

Comparison to Semaglutide: While Semaglutide acts primarily through GLP-1 receptors in the pancreas and brain, Cagrilintide targets amylin receptors in the hindbrain
Nitric oxide system modulation