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Retatrutide provides metabolic regulation through GLP-1, GIP, and glucagon receptor activation

Studies demonstrate that ipamorelin selectively releases growth hormone without significantly raising cortisol, ACTH, or prolactin, giving it one of the cleanest profiles among growth hormone secretagogues

Instead of delivering just one growth factor, it provides a cocktail of neurotrophic signals that mimic natural repair mechanisms working together

Hepatocyte-specific SIRT1 knockout mice exhibit impaired glucose tolerance, decreased insulin sensitivity, and elevated HOMA-IR values, supporting a protective role of SIRT1 in hepatic glucose homeostasis

Mechanism of action Sermorelin Sermorelin primarily functions as a GHRH stimulator, triggering the pituitary gland to secrete natural growth hormone

But these studies were tiny and had no placebo group