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Frequently Asked Questions Sources Evidence Ledger: What the Research Actually Supports Mechanism with Specific Numbers Shared receptor: Both peptides are agonists at growth hormone secretagogue receptor 1a (GHSR-1a), a G-protein coupled receptor expressed densely in the pituitary and hypothalamus

We explain how each works, what the research supports, how they compare, and what anyone considering peptide therapy needs to understand before moving forward

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Like the bodys natural GHRH, Sermorelin works by binding to the growth hormone-releasing hormone receptor (or GHRHr) in the anterior part of the pituitary gland

Individual results may vary, and consultation with licensed healthcare providers is recommended before beginning any injectable therapy protocol

Tesamorelin + Ipamorelin is the only viable option