Overview
Selective GHRP-2 analog with minimal cortisol/prolactin effect.
- Synthetic peptide manufactured to pharmaceutical or research-grade purity
- Subcutaneous injection, sublingual, or oral preparation depending on bioavailability
- Compounded by a licensed pharmacy for clinical use
- Subcutaneous injection
- Oral or sublingual lozenge
- Nasal spray
- Compounded topical
Forms & variants of Ipamorelin
Different chemical forms of Ipamorelin behave differently. Browse each form's mechanism, bioavailability, and best-use context.
Mechanism of action
Selective ghrelin receptor agonism on pituitary somatotrophs.
- · Selective ghrelin receptor agonism on pituitary somatotrophs
Effects on the body
Organ system effects
Ipamorelin (Ref) supports energy delivery, fatigue resistance, or recovery in athletic populations.
Evidence-based benefits
Increases GH release without prolactin/cortisol rise
Moderate evidencePotential side effects
- · Flush
- · Headache
- · Not FDA-approved for any indication
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
- ·Most research peptides are not FDA-approved for human use outside investigational protocols.
Supplement interactions
- A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
- Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
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Third-party testedIndependently verified Ipamorelin (Ref) — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.Ipamorelin (Ref) third party tested NSF
CapsulesPre-measured Ipamorelin (Ref) capsules — easiest for travel and consistent daily dosing without scoops or scales.Ipamorelin (Ref) capsules
PowderBulk unflavored Ipamorelin (Ref) powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.Ipamorelin (Ref) powder unflavored
Best sellersMost-purchased Ipamorelin (Ref) products on Amazon — a quick way to see what's reviewed widely before you commit.Ipamorelin (Ref) best sellerScientific evidence8Show studiesHide studies
Ipamorelin selectivity in humans
Raun K, et al.
Healthy volunteer study.
Increased GH selectively without raising prolactin/cortisol.
PubMed: Ipamorelin (Ref) — Increases GH release without prolactin/cortisol rise
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