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#30Growth Hormone & Body Composition

Ipamorelin

selective ghrelin/growth-hormone-secretagogue receptor agonist

Evidence: other human studyReviewed 2026-07-25

Investigated uses

  • No adequately documented human investigated use for the exact catalog identity/formulation was identified; any vendor-promoted goals were excluded from evidence grading.

Mechanism and hypotheses

  • Ipamorelin is a synthetic pentapeptide ghrelin-receptor agonist with growth-hormone-releasing activity.
  • Hypothesized: Claims of selective recovery, sleep or body-composition benefit are not supported by an approved indication or robust outcome trial.

Human evidence

  • No qualifying controlled human efficacy study for the exact catalog identity/formulation was identified in this review. Limitations: This is a bounded search conclusion, not proof that no report exists; identity, language and indexing limitations may apply.

Safety highlights

  • Human route-specific safety is limited; endocrine and gastrointestinal effects may occur.
  • FDA notes serious adverse events, including deaths, in an intravenous gastrointestinal-motility study; causality and relevance to other routes are uncertain.

Regulatory context

No FDA-approved ipamorelin drug was identified; FDA lists ipamorelin among substances presenting significant compounding safety concerns.

Sources used for this entry