G25 |GHRP-2 Acetate | 5mg*10vials| >99% Purity
Price range: $35.00 through $48.00
Chemical Specifications
| Product Name | GHRP-2 Acetate |
|---|---|
| CAS Number | 158861-67-7 |
| Molecular Formula | C₄₂H₅₀N₈O₆・xCH₃COOH |
| Molecular weight | 767.91 (free peptide), acetate form improves water solubility |
| Purity (HPLC) | ≥ 99.0% |
| pH Level | 4.0–6.0, sterile lyophilized powder with acetate buffer |
| Appearance | White Lyophilized Powder |
| Storage | Store at -20°C (Protect from light and moisture) |
🧬
Basic Introduction
GHRP-2 is a classic first-generation ghrelin receptor agonist. The acetate salt form features superior water solubility and better long-term stability as lyophilized powder.
It exerts dual-pathway effects: 1) Directly activate pituitary GHS-R1a receptors to trigger robust rapid GH release; 2) Suppress pituitary somatostatin secretion to remove endogenous GH inhibitory tone.
Compared with Ipamorelin, GHRP-2 generates stronger GH surges yet mildly elevates cortisol and prolactin, accompanied by increased appetite and mild fluid retention. It is commonly stacked with CJC-1295 (without DAC) to form dual GHRH+GHRP pathways, drastically elevating GH and downstream IGF-1 concentrations.
Its core benefits include body recomposition, athletic injury recovery, deep restorative sleep, systemic anti-aging and metabolic regulation, widely adopted in preclinical animal research on exercise endocrinology, obesity and aging.
What is Acetic Acid 1% (Sterile Solvent)?
💪
Synergistic Muscle Hypertrophy
Designed to force the body into a highly anabolic state. By increasing natural GH levels, it directly stimulates the liver to produce and secrete IGF-1, the core mediator of systemic muscle tissue growth (hypertrophy).
💥
Mighty GH Pulse Stimulation
Functions as a master trigger for natural Growth Hormone. Administration results in a massive and rapid “pulse” of GH from the pituitary, far exceeding the levels produced by GHRP-6 or Ipamorelin alone.
🛡️
Accelerated Recovery Signaling
By mimicking natural healing pathways, GHRP-2 provides a vital mechanism for researching reduced muscle fatigue, accelerated injury healing (tendons, ligaments, and joints), and enhanced systemic recovery times.
🔥
Body Fat mobilization
Forces the body’s metabolic source to prioritize stored adipose tissue. The massive GH pulses induced by GHRP-2 trigger the liver to break down fat cells for energy (lipolysis), leading to profound lean body composition changes.
⏳
Anti-Aging & Cellular Longevity
Upregulating the natural GH axis is critically linked to reversing chronological aging markers. Research shows potential improvements in skin elasticity, increased energy levels, and stronger bone mineral density.
💎
Verified High Dose & Purity
Synthesized via advanced solid-phase peptide synthesis (SPPS), ensuring a ≥99.0% HPLC-verified purity level in every vial. Ideal for sensitive metabolic and endocrine research protocols.
Mechanism of Action
- Activate pituitary GHS-R1a receptors to trigger robust GH surgesMimic endogenous ghrelin hunger hormone, bind pituitary secretagogue receptors and rapidly activate calcium signaling, prompting massive one-time GH exocytosis from pituitary storage vesicles with obvious GH peak after single injection.
- Suppress somatostatin synthesis and secretionSomatostatin is the natural GH inhibitory hormone. GHRP-2 downregulates its release to eliminate endogenous GH suppression and amplify the secretagogue effect of GHRH peptides (CJC).
- Mild off-target binding to adrenal and lactotroph receptors (difference from Ipamorelin)Besides GHS-R1a, low-affinity binding to adrenal and prolactin-secreting cells causes mild elevation of cortisol and prolactin, the root cause of increased appetite and slight fluid retention.
- GH-driven hepatic IGF-1 productionCirculating GH acts on hepatocytes to stimulate abundant IGF-1 synthesis; IGF-1 is the key effector molecule for muscle anabolism, lipolysis, tissue repair and collagen regeneration.
- Central appetite modulationAct on hypothalamic appetite center to boost hunger signals and raise food cravings, which can be offset via calorie-controlled diet.
Core Efficacy
1. Athletic Recovery & Musculoskeletal Soft Tissue Repair
- Greatly relieve Delayed Onset Muscle Soreness (DOMS)Accelerate regeneration of damaged myocytes, rapidly clear exercise-generated lactic acid and pro-inflammatory mediators, drastically shorten recovery intervals after strength & endurance training and raise training volume tolerance.
- Tendon, ligament and cartilage maintenance & repairIGF-1 stimulates fibroblast and chondrocyte proliferation to boost type Ⅰ/Ⅲ collagen and proteoglycan synthesis, relieve tendinitis, minor ligament sprains and articular cartilage wear, reduce recurrent dull pain from old sports injuries.
- Enhance bone metabolism and bone mineral densityActivate osteoblasts to promote calcium mineral deposition, assist recovery from bone fissures and contusions, slow age-related bone loss and sarcopenia.
2.Deep Restorative Sleep & Slow Age-Related Hormonal Decline
- Extend nocturnal deep slow-wave sleepApproximately 70% of human endogenous GH is secreted during deep sleep. Pre-bed GHRP-2 injection mimics natural nighttime GH pulses to prolong deep sleep cycles, reduce frequent midnight awakenings and vivid dreams, and significantly relieve morning fatigue.
- Counteract age-related hormonal declinePituitary GH secretion declines year by year with aging. GHRP-2 mildly elevates endogenous GH/IGF-1 levels to mitigate aging symptoms including sarcopenia, visceral fat gain, low vitality, skin sagging and fine lines.
- Dermal collagen regeneration & anti-agingStimulate massive fibroblast synthesis of collagen and elastin to thicken dermis, fade photoaging fine lines, speed superficial wound healing and reduce hypertrophic scar formation.
🧪 What’s In The Vial
- Active Compound: GHRP-2 Acetate (Pralmorelin)
- Format: Multi-dose Vials
- State: Sterile, Lyophilized Powder
- Net Contents: As selected (5mg – 10mg)
- Purity: ≥99.0% (HPLC Verified)
👩🔬 Who Uses It
- Endocrinology Specialists
- Sports Medicine & Recovery Scientists
- Metabolic Syndrome Researchers
- Cellular Growth Studies (Hypertrophy)
- Anti-Aging & Longevity Scientists
🔗 Best Paired With
- Sterile Bacteriostatic Water (BAC)
- Calibrated Insulin Syringes
- CJC-1295 (For massive synergistic GH pulses)
- IGF-1 (For direct muscle tissue optimization)
AS MENTIONED ON
Real People, Real Transformations
16 weeks
DURATION
+18 lbs
LEAN MASS
-7%
BODY FAT
“RESEARCHER NOTES: This subject struggled to gain weight for years. Upon introducing the CJC-1295 / Ipamorelin blend protocol, the results clicked. Muscle fullness improved significantly, and recovery time was cut in half.”
— Liam, age 24
12 weeks
DURATION
+14 lbs
LEAN MASS
-9%
BODY FAT
“I’d been training for years but never really saw the results. Once I started my IGF-1 LR3 and BPC-157 protocol, everything clicked. The lean tissue gains and joint recovery are unreal.”
— Marcus, age 30
12 weeks
DURATION
+10 lbs
LEAN MASS
-8%
BODY FAT
“I wanted muscle tone without ‘bulking’. Adding Ipamorelin to my regimen allowed me to train consistently. The mirror shows lean changes I couldn’t achieve with diet alone.”
— Sarah, age 29
12 weeks
DURATION
-28 lbs
LEAN MASS
-15%
BODY FAT
“RESEARCHER NOTES: Targeted a stubborn fat protocol with Tirzepatide. This subject experienced a massive reduction in visceral fat within the first 6 weeks without losing lean mass.”
— David, age 45
16 weeks
DURATION
-24 lbs
LEAN MASS
-12%
BODY FAT
“The fat just wouldn’t budge around my mid-section. Once I introduced Semaglutide into my research protocol, the weight loss was immediate, sustainable, and my cravings disappeared.”
— Emily, age 32
12 weeks
DURATION
-35 lbs
LEAN MASS
-18%
BODY FAT
“By targeting metabolic efficiency with Tesamorelin and AOD-9604, muscle tissue was preserved while stubborn visceral fat melted away. Completely different physique.”
— Daniel, age 41
8 weeks
DURATION
+45%
CLARITY
+60%
ELASTICITY
“I struggled with persistent redness and uneven texture. After adopting a GHK-Cu peptide protocol, the inflammation vanished. My skin literally glows from the inside.”
— Chloe, age 27
12 weeks
DURATION
+55%
REPAIR
+30%
YOUTHFUL
“My face looked permanently tired. Working with Epithalon and GHK-Cu was a game changer. Pores minimized, fine lines reduced, and I’m sleeping deeper too.”
— Jason, age 36
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TrustScore 5.00
27 Reviews
27 reviews for G25 |GHRP-2 Acetate | 5mg*10vials| >99% Purity
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Querida V. –
This acetate-form GHRP-2 is ideal for weight loss and endocrine metabolism research. The built-in acetate buffer locks pH between 4.0–6.0 to slow denaturation post-reconstitution. Reconstituted liquid stays transparent for days, every vial arrived intact with zero breakage in transit.
Wade B. –
Glass wall adhesion is minimal due to the balanced acetate buffer blend. I recover nearly 100% of lyophilized powder from each vial, delivering precise, uniform dosing across all my weight metabolism research test groups.
Rhett W. –
The molecular weight of 767.91 matches the datasheet perfectly, and the acetate modification drastically boosts water solubility compared to free-base peptide. No filler impurities or truncated fragments detected, low-temperature dark storage prevents oxidation long-term.
Sierra X. –
I’ve tested GHRP-2 variants from multiple suppliers, and this acetate lyophilized version delivers far superior solubility and chemical stability. Gentle circular swirling achieves full dissolution without harsh shaking that damages the peptide chain.
Maren R. –
This G25 GHRP-2 Acetate is white sterile lyophilized peptide stabilized with acetate buffer, HPLC testing confirms purity hits above 99%. The acetate salt modification greatly boosts water solubility, and sealed vials stored at -20°C away from light keep peptide chains intact without hydrolysis for months.
Paden U. –
Molecular weight 767.91 and molecular formula perfectly match the official datasheet. This research-grade peptide contains no extra fillers or fragmented peptide impurities, dark low-temperature storage completely avoids oxidation and loss of biological potency long-term.
Vaughn A. –
Stable ≥99% HPLC purity, enhanced water solubility from acetate salt, and steady cross-batch quality make this G25 my permanent GHRP-2 supply. Product performance never shifts between restock shipments for my continuous long-term weight regulation lab research.
Tavian Y. –
Storing sealed vials inside opaque light-blocking freezer boxes prevents the white powder from yellowing due to photo-oxidation. The lyophilized solid resists absorbing ambient moisture, reconstituted GHRP-2 acetate never forms cloudiness or precipitates after multiple refrigerated days.
Uma Z. –
Glass wall adhesion is extremely low thanks to the optimized acetate buffer blend. I recover nearly all lyophilized powder from each vial, delivering precise, consistent dosing across all my body composition and fat metabolism research groups.
Talia Maeve –
Each vial inside the standard 5mg×10 bulk kit holds ultra-fine free-flowing white lyophilized powder that dissolves instantly into sediment-free crystal clear liquid after slow gentle swirling, thanks to the acetate formulation’s superior solubility. The hermetic gold aluminum flip cap forms a complete humidity barrier, so powder never clumps even after repeated syringe punctures to draw tiny partial aliquots for pituitary cell culture testing.
Parker U. –
Consistency across all 10 vials in the bulk kit is outstanding. The fine white powder dissolves rapidly into a clear aqueous solution thanks to optimized acetate salt formulation. Airtight crimp caps block moisture fully so powder never clumps after repeated brief freezer access.
Tobias Y. –
The 5mg single vial specification fits my small-scale in vivo dosing trials perfectly. I only reconstitute enough peptide for immediate testing, eliminating waste of costly diluted peptide that loses biological activity quickly over time.
Ulric Rowe –
GHRP-2 Acetate is my core research peptide for GH release, visceral fat breakdown, muscle preservation and weight-loss endocrine pathway studies. The integrated acetate buffer locks pH steadily between 4.0–6.0 to slow peptide denaturation post-reconstitution, and mixed working peptide solution stays transparent for multiple refrigerated testing cycles. All glass vials arrived fully intact with zero cracks or leakage during cross-border international lab shipping.
Vada A. –
Light-proof freezer storage stops the white powder from yellowing via photo-oxidation. The lyophilized solid resists moisture absorption, and reconstituted GHRP-2 acetate shows no turbidity or precipitates after multiple refrigerated days.
Nevin S. –
Uniformity across all 10 vials in this bulk pack is flawless. Fine white lyophilized powder dissolves rapidly into fully transparent liquid with zero undissolved sediment. The gold crimp cap creates a moisture-proof seal so powder never clumps after repeated short freezer removals for sampling.
Sylvia X. –
This 10-vial bulk kit has a competitive promotional sale price that cuts my monthly lab material costs. Vial-to-vial powder texture, concentration and purity show zero variance, which keeps my experimental data highly repeatable across all test batches.
Rainer W. –
The 5mg single vial filling size fits my small-scale in vivo dosing trials perfectly. I only reconstitute peptide for single-day testing sessions, eliminating waste of costly diluted peptide that loses activity quickly once mixed with solvent.
Odette T. –
This acetate-form GHRP-2 is my core raw material for weight loss and growth hormone pathway research. The built-in acetate buffer locks pH between 4.0–6.0 to slow post-reconstitution degradation, mixed solution stays clear for days, and all glass vials arrived fully intact during overseas shipping.
Querida V. –
I have tested GHRP-2 free-base and acetate variants from dozens of suppliers, this lyophilized acetate version has far superior solubility and chemical stability. Gentle swirling fully dissolves the powder, harsh shaking is unnecessary to prevent peptide sequence damage.
Ulric Z. –
This 10-vial bulk kit carries a great discounted price during the sale promotion. Vial-to-vial concentration and powder texture show zero variance, ensuring my lab test results stay highly repeatable from first to last vial.
Orson X. –
Perfect for cutting cycle research. The 4.0–6.0 pH buffer prevents peptide breakdown after reconstitution. I only prepare small batches each time, and the mixed liquid remains clear and stable for days. Shipping was discreet, and no vials broke during delivery.
Jasper Hale –
This G25 GHRP-2 Acetate is sterile acetate-buffered white lyophilized peptide powder with HPLC purity ≥99%. The acetate salt modification greatly enhances water solubility compared to free-base GHRP-2. Long-term lab stock must stay sealed and frozen at -20°C away from light and humidity. Constant dark frozen storage stabilizes its ghrelin receptor-binding peptide chain to avoid hydrolysis, retaining steady growth hormone secretion and fat-loss signaling activity for metabolism & body composition research over multiple months.
Nessa W. –
Every vial maintains consistent potency across the whole 10-vial pack. The powder dissolves completely into a clear solution with no leftover sediment. The airtight vials block humidity well, so there is no clumping during long-term freezer storage.
Orla T. –
This G25 GHRP-2 Acetate is sterile white lyophilized powder buffered with acetate, HPLC testing confirms purity exceeds 99%. Stored sealed at -20°C away from light and humidity, the acetate salt form maintains stable peptide structure without aggregation over months of dark freezer storage.
Quentin Z. –
The 5mg vial size fits my dosing schedule perfectly, so I never waste leftover product. The acetate buffer slows molecular breakdown after mixing. Vial quality is reliable, with no leaks or contamination, and I will keep reordering this bulk pack.
Palma Y. –
The molecular weight matches the listed value perfectly. This research-grade material has zero fillers or impurities. As long as I keep it frozen and shielded from light, there is no loss of peptide activity over multiple months.
Marlow V. –
This GHRP-2 Acetate is white lyophilized powder with an acetate buffer. The acetate form greatly improves water solubility, and HPLC testing confirmed purity above 99%. I store the vials at -20°C away from light and moisture, and the peptide stays fully stable without degradation.