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Sermorelin is investigated in research settings including growth hormone releasing hormone receptor activity, pituitary function, neuroendocrine regulation, and growth hormone axis signalling

However, standard drug panels dont test for peptides

specifically, bone density [8]

IJMS 21, 7698

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The biphasic response suggests possible mechanisms: lower doses (nanogram range) might work through growth factor upregulation and signaling cascade amplification, while higher doses (microgram range) might involve direct receptor activation or substrate provision for cellular repair