Ipamorelin
Price range: $50.00 through $62.00
Ipamorelin — available in multiple dosages. For research use only.
Ipamorelin Research Peptide: Selective Growth Hormone Secretagogue
Ipamorelin is a synthetic pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) classified as a growth hormone secretagogue (GHS). It was the first selective ghrelin receptor agonist developed to stimulate growth hormone release from the anterior pituitary without significantly elevating prolactin, ACTH, or cortisol. Laboratories studying endocrine signaling, body composition, bone metabolism, and gastric motility use this compound to isolate GH effects from the confounding hormonal spikes seen with earlier secretagogues.
If you are searching for where to buy ipamorelin amid supply chain uncertainty, you are not alone. Searches for “why is ipamorelin banned” and “is ipamorelin being discontinued” have surged as regulatory scrutiny tightens. Pure Peptide Factory maintains domestic synthesis and cold-storage inventory so your research protocols are not interrupted by customs seizures or overseas shipping failures.
Why Researchers Buy Ipamorelin from Pure Peptide Factory
Domestic Supply Chain Stability
The peptide market has become volatile. Several international suppliers have dropped GH secretagogues due to banking restrictions and customs enforcement. We synthesize and store Ipamorelin in domestic cGMP facilities with reserved batch sizes for institutional contracts. When you order from us, you are not gambling on a six-week international shipment that may never arrive.
Selective GH Release Profile
Unlike GHRP-2 or GHRP-6, which elevate prolactin and cortisol alongside GH, Ipamorelin demonstrates high selectivity for the GHS-R1a receptor. This means researchers can study GH-mediated effects on bone density, nitrogen retention, and cellular proliferation without sorting out confounding data from stress hormones.
Batch-Specific Documentation
Every vial ships with a downloadable HPLC certificate and mass spectrometry report. We archive synthesis logs for 24 months. If your compliance office or IRB requests chain-of-custody documentation, you have it immediately.
What Does Ipamorelin Do?
Mechanism of Action
Ipamorelin binds to growth hormone secretagogue receptors (GHS-R) on somatotroph cells in the anterior pituitary. This binding activates phospholipase C, triggering a cascade that releases inositol triphosphate (IP3) and diacylglycerol (DAG). The subsequent rise in intracellular calcium and protein kinase C activation results in exocytosis of GH-containing vesicles.
Key research characteristics:
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Selective GH release with minimal prolactin or ACTH elevation
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No significant cortisol or aldosterone increase in standard models
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Short half-life requiring multiple administrations for sustained signaling
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Synergistic potential with GHRH analogs like CJC-1295
Chemical Profile
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Sequence: Aib-His-D-2-Nal-D-Phe-Lys-NH2
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Molecular Formula: C38H49N9O5
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Molecular Weight: 711.86 g/mol
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Synonyms: NNC 26-0161
Ipamorelin Benefits: Research Applications
Bone Mineral Density Studies
Research published in the Journal of Endocrinology examined adult female rats treated with Ipamorelin versus placebo. DEXA scans showed increased bone mineral content in the femur and L6 vertebra. Peripheral quantitative computed tomography (pQCT) indicated that the increase stemmed from enlarged cross-sectional bone area rather than increased volumetric density, suggesting modeling-based bone expansion rather than simple mineralization. This makes Ipamorelin valuable for researchers studying osteoblast proliferation and cortical bone formation.
Nitrogen Balance and Anabolism
A study on steroid-treated rats in a catabolic state showed that Ipamorelin reduced hepatic urea synthesis by approximately 20%. It downregulated urea cycle enzyme expression and restored nitrogen balance. These findings suggest GH-mediated anabolic action that preserves lean tissue during catabolic stress, making it relevant for researchers studying muscle wasting, post-surgical recovery, and protein metabolism.
Gastric Motility Research
Researchers investigating postoperative ileus and gastric dysmotility have found that Ipamorelin accelerates gastric emptying in rodent models. In one study, surgically slowed gastric emptying was markedly reversed with Ipamorelin administration. The compound enhanced contractility of gastric smooth muscle activated by acetylcholine and electrical field stimulation. This positions it as a tool for studying ghrelin-mediated gastrointestinal motility separate from its endocrine effects.
Appetite and Energy Balance
Because Ipamorelin acts on ghrelin receptors, it influences hunger signaling. Research models showed approximately 15% increase in body weight alongside elevated serum leptin levels. DEXA analysis indicated proportional increases in fat pad mass relative to total body weight. Researchers studying energy balance, leptin signaling, and GH-independent adiposity use these data to examine how ghrelin agonism affects feeding behavior and metabolic set points.
Body Composition and Cellular Proliferation
Through GH release and subsequent IGF-1 synthesis, Ipamorelin supports research into cellular proliferation, muscle anabolism, and lipolysis. The GH/IGF-1 axis is a primary mediator of anabolic action in mammalian models, and Ipamorelin provides a selective tool for activating this axis without the hormonal noise of less specific secretagogues.
Ipamorelin and CJC-1295: Synergistic Research
The Combined Protocol
Many laboratories study ipamorelin and cjc-1295 together to examine synergistic GH amplification. Ipamorelin provides the pulse through ghrelin receptor activation, while CJC-1295 (without DAC) extends the GH release window by inhibiting somatostatin. This combination models sustained GH elevation with preserved pulsatility, as opposed to the flat pharmacokinetic profile of exogenous GH administration.
Research distinction: CJC-1295 with DAC creates a long-acting depot that can blunt natural GH pulsatility. The Ipamorelin plus CJC-1295 no-DAC pairing is preferred in protocols where maintaining endogenous secretory patterns is the study endpoint. We carry both compounds for researchers running combination studies.
How to Reconstitute Ipamorelin 5mg
Standard Laboratory Preparation
For researchers asking “how to reconstitute ipamorelin 5mg,” the standard protocol is straightforward:
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Sanitize the vial stopper with isopropyl alcohol
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Inject 2.5 mL bacteriostatic water into the 5mg vial
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Gently swirl until fully dissolved. Do not shake vigorously
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Final concentration: 2 mg/mL
For 5mg vials: Add 1 mL bacteriostatic water (2 mg/mL)
For 10mg vials: Add 5 mL bacteriostatic water (2 mg/mL)
For 10mg vials: Add 5 mL bacteriostatic water (2 mg/mL)
Storage Requirements
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Lyophilized powder: 24 months at -20°C, protected from light
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Reconstituted solution: Use within 14 days at 4°C under sterile conditions
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Do not freeze reconstituted solution
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Protect from light in both forms
Why Is Ipamorelin Banned? Understanding Regulatory Status
The FDA Position
Ipamorelin is not approved by the FDA for human use. It is classified as an investigational new drug, meaning it cannot be legally marketed for human consumption, diagnosis, or treatment. This regulatory status drives the “why is ipamorelin banned” searches, but the compound is not scheduled under the Controlled Substances Act.
What this means for researchers: You can legally purchase Ipamorelin for laboratory research if the vendor explicitly sells it for research use only and you agree to those terms. The FDA restricts marketing and medical claims, not legitimate laboratory procurement.
Is Ipamorelin Being Discontinued?
Several overseas suppliers have stopped carrying GH secretagogues due to increased customs enforcement and banking restrictions. This has created supply anxiety and driven searches for “is ipamorelin being discontinued.”
Pure Peptide Factory maintains domestic synthesis and storage. We are not dependent on international freight or foreign banking channels. Our inventory is stable, and we offer institutional contracts for labs running multi-year protocols.
Is the FDA Shutting Down Peptides?
The FDA has increased warning letters to companies making medical claims about peptides. This is enforcement against illegal marketing, not a ban on peptide research. As long as peptides are sold explicitly for research with no medical claims, the regulatory pathway remains open. We adhere strictly to this framework.
Ipamorelin vs Sermorelin: Research Comparison
Different Pathways, Different Data
Researchers often compare ipamorelin vs sermorelin when designing GH protocols:
| Feature | Ipamorelin | Sermorelin |
|---|---|---|
| Class | Ghrelin agonist (GHS-R) | GHRH analog |
| Mechanism | Pituitary pulse stimulation | Hypothalamic signal amplification |
| Selectivity | High (minimal prolactin/ACTH) | Moderate |
| Cortisol effect | Minimal | Minimal |
| Appetite effect | Increases via ghrelin | Minimal |
| Best for studying | Pulsatile GH, appetite, gastric motility | Basal GH elevation, sleep architecture |
Some protocols combine both to model dual-pathway GH stimulation. Sermorelin provides the signal; Ipamorelin provides the pulse.
Product Specifications
Available Configurations
| SKU | Quantity | Price | Best For |
|---|---|---|---|
| IP2 | 2mg x 10 vials | $30 | Cell culture, dose-finding |
| IP5 | 5mg x 10 vials | $50 | Standard research protocols |
| IP10 | 10mg x 10 vials | $62 | Extended studies, institutions |
Quality Verification
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Purity: 99% minimum (HPLC verified)
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Sequence: Aib-His-D-2-Nal-D-Phe-Lys-NH2
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Molecular Weight: 711.86 g/mol
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Endotoxin: <0.1 EU/mL
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Sterility: Verified per USP <71>
FAQ
What does Ipamorelin do for you?
In research models, Ipamorelin stimulates pulsatile growth hormone release through ghrelin receptor activation. This affects IGF-1 levels, body composition markers, bone mineral content, and gastric motility. These are laboratory findings, not human health claims.
How fast does Ipamorelin work?
Published studies show elevated GH levels within minutes of administration. Measurable changes in bone density and body composition typically require 4 to 8 weeks of consistent dosing in research protocols.
Does Ipamorelin reduce belly fat?
Some research models show reduced visceral adipose tissue alongside increased lean mass. However, these effects are species-specific and dose-dependent. This compound is not approved for human weight loss.
Is it okay to take Ipamorelin every day?
Research protocols typically administer Ipamorelin once to three times daily depending on study design. Frequency is determined by the compound’s short half-life and the desired GH pulse pattern. We do not provide dosing recommendations for human use.
Will Ipamorelin increase testosterone?
Ipamorelin primarily affects the GH/IGF-1 axis, not the hypothalamic-pituitary-gonadal axis. Research does not indicate direct testosterone elevation, though secondary hormonal shifts may occur in long-term studies.
Is Ipamorelin the safest peptide?
“Safety” is a clinical concept requiring human trials. In research contexts, Ipamorelin shows selectivity for GH release without significant cortisol or prolactin elevation, distinguishing it from less selective secretagogues. All research compounds carry risks and require proper handling protocols.
Is it better to take Sermorelin and Ipamorelin together?
Some research protocols combine Sermorelin (GHRH analog) with Ipamorelin (ghrelin agonist) to model dual-pathway GH stimulation. Whether this combination suits your research depends on your specific endpoints.
What are the downsides of Ipamorelin?
Research models require frequent administration due to short half-life. Some studies report increased appetite signaling and mild water retention. Long-term safety data in humans does not exist because this compound has not undergone clinical trials.
Is Ipamorelin being discontinued?
Not by us. While several international suppliers have exited the market due to regulatory pressure, Pure Peptide Factory maintains domestic synthesis and cold-storage inventory for ongoing research supply.
Order Ipamorelin for Research
Secure Checkout
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Credit card, cryptocurrency, or wire transfer
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Same-day dispatch before 2 PM EST
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Cold-chain packaging with tracking
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Discreet labeling
Institutional Accounts
Net-30 terms available for universities and pharmaceutical companies. Contact us for bulk pricing on 50+ vials.
Add to cart and secure your supply chain before the next wave of import restrictions.
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