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In the fields of biomedical research and physical fitness regulation, GHRP-6 injection, as a synthetic peptide substance featuring a unique intracellular mechanism of action and diversified application prospects, is gradually receiving growing attention from researchers and fitness practitioners alike. It not only modulates multiple basic physiological functions of the human endocrine system, but also demonstrates remarkable targeted effects in accelerating skeletal muscle growth and ameliorating overall physical fitness status. Nevertheless, given the intricate endogenous physiological regulatory processes and hidden potential health risks accompanied by improper administration.

Growth hormone releasing Peptide COA
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| Certificate of Analysis | ||
| Compound name | Growth hormone releasing Peptide/GHRP-6 | |
| Grade | Pharmaceutical grade | |
| CAS No. | 87616-84-0 | |
| Quantity | 30g | |
| Packaging standard | PE bag+Al foil bag | |
| Manufacturer | Shaanxi BLOOM TECH Co., Ltd | |
| Lot No. | 202601090056 | |
| MFG | Jan 9th 2026 | |
| EXP | Jan 8th 2029 | |
| Structure |
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| Item | Enterprise standard | Analysis result |
| Appearance | White or almost white powder | Conformed |
| Water content | ≤5.0% | 0.44% |
| Loss on drying | ≤1.0% | 0.37% |
| Heavy Metals | Pb≤0.5ppm | N.D. |
| As≤0.5ppm | N.D. | |
| Hg≤0.5ppm | N.D. | |
| Cd≤0.5ppm | N.D. | |
| Purity (HPLC) | ≥99.0% | 99.98% |
| Single impurity | <0.8% | 0.21% |
| Total microbial count | ≤750cfu/g | 80 |
| E. Coli | ≤2MPN/g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (by GC) | ≤5000ppm | 523ppm |
| Storage | Store in a sealed, dark, and dry place below -20°C | |
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| Chemical Formula | C46H56N12O6 |
| Exact Mass | 872.44 |
| Molecular Weight | 873.03 |
| m/z | 872.44(100.0%), 873.45(49.8%), 874.45(12.1%), 873.44(4.4%), 874.44(2.2%), 874.45(1.2%), 875.45(1.1%) |
| Elemental Analysis | C,63.29; H,6.47; N,19.25; O,11.00 |

It is assembled from a specific fixed amino acid sequence containing both L-amino acids and modified D-amino acid residues, with a precise chemical formula of C₄₆H₅₆N₁₂O₆ and a corresponding molecular weight of 873.014 Da. Its distinctive special chemical spatial structure allows it to selectively bind to targeted growth hormone secretagogue receptors distributed throughout the human body, thereby triggering and exerting a cascade of valuable endocrine physiological effects. From the perspective of physical appearance, the raw material of this peptide usually presents as fine white to off-white crystalline powder.
Treatment of growth hormone (phyol) deficiency: Gonadorel deficiency is a disease caused by insufficient secretion of phyol by the pituitary gland, and patients usually exhibit symptoms such as delayed growth and development, short stature, etc. GHRP-6 injection can serve as a substitute for gonadorel, effectively treating related conditions caused by gonadorel deficiency by stimulating pituitary secretion of gonadorel. Clinical studies have shown that after use, patients' growth rate significantly accelerates, various physical indicators gradually return to normal, and their quality of life is significantly improved.
Promoting wound healing: Gonadorel plays an important promoting role in the process of wound healing. It can increase the level of gonadorel in the body, regulate the expression of various cytokines and growth factors related to wound healing, accelerate cell proliferation and differentiation, promote collagen synthesis and deposition, and thus accelerate the healing speed of wounds.
For some chronic wounds or wounds that are difficult to heal, an effective treatment may be provided.
Heart protection: Heart disease is one of the leading causes of death worldwide. It has a protective effect on the heart, and its mechanism involves multiple aspects. It can regulate the gene expression of cardiac muscle cells, improve the contraction and relaxation function of the heart; At the same time, it also has antioxidant damage and inflammation reducing effects, which can alleviate the degree of damage to the heart under ischemia-reperfusion and other injury conditions. Some animal experiments and preliminary clinical studies have shown potential application value in the treatment of heart diseases such as heart failure and myocardial infarction.
Fitness and bodybuilding field

Muscle building: For dedicated fitness enthusiasts and competitive bodybuilders, steadily increasing lean muscle mass remains one of their primary training goals. This peptide delivers a prominent anabolic effect on healthy muscle growth. It facilitates robust muscle development by elevating endogenous gonadorel levels inside the body, accelerating intracellular protein synthesis, and boosting both the volume and total quantity of muscle cells. At the same time, it can effectively raise healthy appetite, allowing users to ingest more high-quality protein and surplus calories, thus supplying abundant essential nutrients for sustained muscle growth. Many long-term users have reported that after regular administration, muscle growth rate remarkably accelerates, while overall muscle mass and physical strength are greatly improved.
Weight loss: In addition to building muscle, weight loss is also an important part of the fitness process. It also has a certain effect on weight loss. It can regulate fat metabolism, promote fat breakdown and oxidation, and reduce the accumulation of fat in the body. At the same time, increasing gonadorel levels can also increase energy expenditure, further enhancing the fat loss effect. During the preparation or dieting phase, it can help fitness enthusiasts better control their weight, reduce fat content, while maintaining muscle mass and improving body lines and proportions.
Improving recovery ability: High intensity training can lead to muscle fatigue and injury, and good recovery ability is crucial for continuous training and achieving good results. It can promote cell repair and regeneration, accelerate the healing process of muscle injuries, and improve the body's recovery ability. After training, users can use it to relieve muscle soreness faster, restore their physical condition, and thus engage in higher intensity training.
Anti aging field
As age increases, the secretion of gonadorel in the human body gradually decreases, which can lead to a series of aging related symptoms such as increased body fat, decreased muscle mass, sagging skin, decreased sleep quality, weakened immune system function, etc. GHRP-6 injection can combat the aging process by continuously maintaining elevated levels of gonadorel in the body. It helps reduce body fat, increase muscle mass, improve skin elasticity and radiance, enhance sleep quality, strengthen immune system function, make bones stronger, and improve mental state. Many middle-aged and elderly people use it as part of hormone replacement therapy (HRT) to delay aging and improve their quality of life.

Aquaculture field
In aquaculture, fish viral diseases are one of the serious challenges that threaten the sustainable development of the industry. Neuronecrosis virus (NNV) is a virus that can infect various fish species, causing serious damage to the central nervous system of fish and resulting in the death of a large number of fish fry, causing huge economic losses to farmers. Researchers have found that it exhibits antiviral activity against NNV both in vitro and in vivo. In vitro experiments have shown that continuous exposure to gonadorel can protect cells from NNV infection, inhibit virus replication, and reduce virus particle production;
In systematic in vivo animal experiments, it can not only modulate the transcription of vital immune related genes and strengthen the overall immune response of aquatic fish, but also actively interfere with intracellular virus replication and lower excessive intensity of immune response during pathogen infection. This valuable discovery provides a novel potential prevention strategy for controlling common fish viral diseases in intensive aquaculture, and is expected to become an efficient natural immunostimulant applied in practical production to cut economic losses caused by viral diseases.

Instructions for use
Before using GHRP-6 injection, a series of preparations are required. Firstly, it is necessary to ensure the purchase of products from legitimate channels with reliable quality. Due to the existence of some counterfeit and inferior products in the market, using these products may pose serious health risks. Therefore, choosing reputable suppliers and brands is crucial. Secondly, prepare the necessary equipment for injection.
Preparation method

It usually exists in the form of freeze-dried powder and needs to be diluted with sterile water or physiological saline before use. The specific preparation method is as follows: First, open the gonadorel powder bottle and sterile water or saline bottle, and wipe the bottle mouth with an alcohol cotton ball for disinfection. Then, according to the required dosage and concentration, use a syringe to extract an appropriate amount of sterile water or physiological saline, and slowly inject it into the gonadorel powder bottle. Be careful not to insert the needle too deeply into the powder to avoid damaging the powder structure. Gently shake the powder bottle to fully dissolve the powder and form a uniform solution.
The dissolved solution should be clear and transparent, without any particulate matter. Finally, transfer the prepared solution to a clean container and prepare for injection. The diluted gonadorel must be kept refrigerated and used up within four weeks after dilution to ensure the stability and effectiveness of the drug.Injection method and location:It can be injected intramuscularly or subcutaneously. Intramuscular injection is the direct injection of drugs into muscle tissue, which absorbs drugs relatively quickly and has a rapid effect. Common intramuscular injection sites include the gluteus maximus and lateral thigh muscles. Subcutaneous injection is the process of injecting drugs into the subcutaneous fat layer. The absorption of drugs is relatively slow, but the duration of action is longer.


Breakthroughs in the Research Bottlenecks
By the 1970s, the scientific community had clearly established the vital physiological functions of phyol, yet understanding of its regulatory mechanisms remained limited. Research at that time held that the hypothalamus regulated phyol secretion solely through phyol-releasing hormone (GHRH) and somatostatin. Moreover, the long-standing failure to isolate natural GHRH constrained the progress of relevant studies. In 1976, Bowers' team accidentally discovered during research on opioid peptide analogs.
Driving Research Breakthroughs in Related Fields

Synthesis and Validation of GHRP-6 (1976–1984)-In 1976, the team synthesized D-Trp², the first pentapeptide with phyol-releasing activity. Although effective in vitro, it displayed weak activity in vivo and could not be widely applied. Over the following years, collaborating with chemist Frank Momany, the team optimized the peptide chain structure through conformational studies, focusing on adjusting the position and stereochemistry of tryptophan residues to gradually enhance compound activity. In 1984, the team successfully synthesized the hexapeptidegonadorel, with the amino acid sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂.
Experimental verification confirmed that this compound could specifically and dose-dependently stimulate phyol release in humans and various animal species, featuring high stability and low toxicity, thus becoming the first mature phyol secretagogue peptide.The discovery of gonadorel overturned the traditional regulatory theory. Studies confirmed that it exerted its effects via receptors distinct from those of GHRH. Based on this, Bowers' team proposed the hypothesis of an unknown endogenous natural phyol secretagogue hormone in the body.


Although not widely accepted at the time, it provided crucial insights for subsequent research. In 1999, Japanese scientists, drawing on the mechanism of action of gonadorel, successfully identified ghrelin, the endogenous natural phyol secretagogue, validating Bowers' team's hypothesis.
Furthermore, the discovery of gonadorel founded the phyol secretagogue family, offering new approaches for the treatment of phyol deficiency and promoting interdisciplinary research in endocrinology, cardiology, and other fields.
references
On the in vitro and in vivo activity of a new synthetic hexapeptide that acts on the pituitary to specifically release growth hormone, 1984
Growth-hormone-releasing peptide 6 prevents oxidant cytotoxicity and reduces myocardial necrosis in a model of acute myocardial infarction, 2007
Synthetic Growth Hormone-Releasing Peptides (GHRPs): A Historical Appraisal of the Evidences Supporting Their Cytoprotective Effects, 2017
FAQ
How much GHRP-6 should I take?
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GHRP-6 (Growth Hormone Releasing Peptide-6)
- Dosage: 100 mcg to 300 mcg, taken 2-3 times daily. - Administration: Subcutaneous injection, preferably on an empty stomach. - Duration: 8-12 weeks.
How safe is GHRP-6?
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GHRP-6 is a small molecular weight peptide, effective when orally administered, stable, and economically low-priced than others. Significantly important is our observation that GHRP-6 intravenous administration proved to be safe in a doses scale-up clinical trial in healthy human volunteers.
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