Peptide Comparison

    Sermorelin vs Ipamorelin

    Sermorelin and ipamorelin both stimulate growth hormone release, but through different receptor pathways. Sermorelin mimics GHRH; ipamorelin is a selective ghrelin-receptor agonist.

    Sermorelin

    Sermorelin is a synthetic analog of the first 29 amino acids of GHRH, previously FDA-approved for growth hormone deficiency diagnosis and treatment. It stimulates natural GH production from the pituitary gland and is widely used in age-management protocols for its favorable safety profile.

    Sermorelin Clinical Reference

    Ipamorelin

    Ipamorelin is a selective growth hormone secretagogue. See the TruthTides evidence library for graded study summaries and citations.

    Ipamorelin Clinical Reference

    Key Differences

    Category
    Sermorelin
    Ipamorelin
    Class
    GHRH analog (first 29 amino acids of GHRH).
    Selective GH secretagogue.
    Effect on cortisol/prolactin
    Minimal.
    Minimal — one of its key selectivity advantages.
    Historical FDA status
    Previously FDA-approved for GH deficiency diagnosis.
    Never FDA-approved.

    This comparison is informational and reflects content from TruthTides clinical reference documentation. It does not constitute medical advice. Only three peptides on TruthTides — semaglutide, tirzepatide, and tesamorelin — carry FDA approvals; many others are compounded or off-label. Consult a qualified physician before starting any peptide therapy.