What Can I Compare With The Pep Nation Lab Comparison Tool?

Any research-grade compound in the library can be placed side by side - up to four at a time. The tool compares mechanism of action, molecular target, evidence tier, molecular weight, amino acid sequence, reported half-life, and what each compound has been studied for, all drawn from referenced monographs.

What Does The Evidence Tier Mean?

The evidence tier reflects how extensively a compound has been studied in the referenced literature, from early preclinical signals through to compounds with human clinical data. It is a research-quality signal only, never a safety or efficacy endorsement.

How Are "X vs Y" Comparison Pages Built?

Each comparison page is generated from the same referenced compound database - a genuine side-by-side of mechanism, identity, pharmacokinetics, and evidence, plus data-derived key differences. They are curated, not auto-generated thin pages.

Is Any Of This Medical Or Dosing Advice?

No. Every comparison is for in vitro laboratory research use only. Nothing here is medical advice, a treatment recommendation, or dosing guidance, and no product is for human or animal consumption.

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IpamorelinA+98

The FountainA93

Top Pick: IpamorelinTap to see full verdict & analysis

Ipamorelin

0/100

Grade A+

Leads in safety profile

Evidence

Safety

Science

Coverage

Handling

Depth

The Fountain of Youth Stack

0/100

Grade A

Leads in research coverage

Evidence

Safety

Science

Coverage

Handling

Depth

Research Profile Radar - hover axes for details

Ipamorelin

The Fountain of Youth Stack

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Attribute	Ipamorelin A+	The Fountain of Youth Stack A
Research Summary	Ipamorelin is the cleanest growth hormone booster. It gently nudges your brain to release growth hormone without making you hungry or raising your stress hormones. It is perfect for steady, long-term anti-aging.	This is the perfect team for boosting growth hormone. CJC opens the door, and Ipamorelin pushes the hormone out. Together, they force the body to release a huge wave of anti-aging and fat-burning growth hormone while you sleep.
Studied For	GH secretagogue researchAnti-aging / longevity via GH axisBody composition improvementLean muscle gainFat loss via GHSleep quality / GH rhythmRecoveryBone density via GHIGF-1 elevationPulsatile GH release simulationStacked with CJC-1295 (no DAC)GI motility researchMetabolic rate improvementCollagen synthesis via GHAthletic performanceanti-agingmuscle growthfat lossrecoverydeep sleepbone densitycellular repairGH pulse stimulation	Dual-pathway GH stimulation researchSynergistic GH releaseGHRH plus GHRP combinationMaximum GH pulse amplificationAnti-aging via GH axisBody composition improvementLean muscle gain researchFat loss via GHSleep quality and GH rhythmRecovery accelerationIGF-1 elevationBone density via dual GH stimulationAthletic performance researchGH axis optimizationLongevity via GH supportmuscle growthfat lossanti-agingdeep sleeprecoveryvitality
Research Areas	Performance & MuscleLongevityMetabolicJoint & Bone SupportSleep & Circadian	Performance & MuscleLongevityMetabolicJoint & Bone SupportSleep & Circadian
Best Stacked With	cjc-1295-no-dacsermorelinghrp-2bac-water	sermorelintesamorelinbac-water
Overview
Category	Muscle Growth & Performance	Peptide Stacks
Compound Class	Selective synthetic pentapeptide GH secretagogue (GHRP); minimal cortisol/prolactin side effects	Peptide stack: GHRH analog (CJC-1295 no-DAC) + selective GHRP (Ipamorelin)
Molecular Target	GHS-R1a (ghrelin receptor) agonist; highly selective for pituitary GH release without significant ACTH/cortisol elevation	Dual: GHRH receptor (CJC component) + ghrelin/GHS-R1a receptor (Ipamorelin component); synergistic pituitary GH release
Aliases / AKA	NNC 26-0161NNC26-0161Ipamorelin acetateGHRP-1a analogSelective GHRPIpamorelin peptide	CJC IPA stackCJC+IpamorelinCJC Ipamorelin blendMod GRF Ipamorelin stackCJC ipamorelin comboCJC-1295 ipamorelin
Parent Compound	Ghrelin mimetic	CJC-1295 and Ipamorelin
Molecular Weight	711.85 Da	combination
Amino Acid Sequence	`Aib-His-D-2-Nal-D-Phe-Lys-NH2`	`CJC-1295 no-DAC + Ipamorelin`
CAS Number	170851-70-4	n/a
Year Discovered	Not Listed	Not Listed
Pro-Angiogenic	No	No
GLP-1 Class	No	No
Purity	Not Listed	Not Listed
Identity
Evidence Tier
Risk Level
PubMed Citations	1,192,840 Extensive	Not Listed
Clinical Trials	Not Listed	Not Listed
Regulatory Status	Not FDA-approved; research chemical; WADA S2.	Not FDA-approved; WADA S2.
Evidence & Regulatory
Half-Life	~2 hours	~30 min (CJC) / ~2 hours (Ipamorelin)
Typical Frequency	Not Listed	Not Listed
Administration Route	Injection Only	Injection Only
Mechanism / PK	Not Listed	Not Listed
Reported Findings	Preclinical work established growth-hormone release with no rise in cortisol or prolactin. A human GI-motility program was run and discontinued for non-safety reasons.	The GHRH-plus-GHRP synergy is well supported by human physiology studies; controlled data for this specific research-chemical pairing are limited.
Side Effects Noted	Best tolerated of the GHRPs; injection-site reactions, flushing, headache, mild water retention; limited human data.	Inherits both components: injection-site reactions, flushing, water retention; ipamorelin spares cortisol and prolactin.
Warnings	Not approved; growth-hormone-axis risks apply with sustained use. WADA-prohibited. Research use only.	Both components are unapproved and WADA-prohibited. Research use only.
Pharmacology
Form	lyophilized	lyophilized
Diluent	bacteriostatic or sterile water	bacteriostatic or sterile water
Storage Temp	cold, dark	cold, dark
Light Sensitive	Yes	Yes
Freeze / Thaw	avoid	avoid
Handling Notes	Most selective GHRP; often paired with a GHRH analog.	No-DAC chosen for pulsatile release.
Reconstituted Shelf Life	28 Days Refrigerated	28 Days Refrigerated
Handling & Storage

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