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What is HCG Peptide?

HCG peptide, or Human Chorionic Gonadotropin, is a hormone produced during pregnancy by the placenta. HCG levels play a crucial biological role in maintaining the corpus luteum, thereby supporting the production of progesterone, which is essential for sustaining pregnancy [1].

Beyond its natural role, HCG is commonly used in medical treatments, such as fertility therapies, where it stimulates ovulation and supports luteal phase function [2]. 

Molecular Formula: C11H19N3O6S

Molecular Weight: 321.35 g/mol

Buy HCG Products Online for clinical research purposes only.

Source: PubChem

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HCG Peptide Vial 5000iu

When purchasing HCG vial for injection you will also require items for peptide reconstitution including bacteriostatic water. Find the full range of accessories here.

Summary of HCG Benefits:

Buy HCG Peptide Vial here for laboratory research use – Available in 2000iu & 5000iu vials

HCG Mechanism of Action

Research professionals have found that Human Chorionic Gonadotropin (HCG) operates primarily through its interaction with the luteinizing hormone/chorionic gonadotropin receptor (LHCGR), a receptor found on the surface of ovarian cells. Upon binding to this receptor, the use of HCG activates intracellular signalling pathways that promote the production of progesterone, a hormone essential for preparing the uterine lining for implantation and maintaining early pregnancy. This hormone signalling cascade is critical in sustaining the corpus luteum, which secretes progesterone during the first trimester of pregnant women.

In fertility treatments, HCG mimics the natural surge of luteinizing hormone (LH) to trigger ovulation, facilitating the release of a mature egg from the ovary. This action is particularly vital in assisted reproductive technologies, such as in vitro fertilization (IVF), where precise control of ovulation timing is required [6].

Beyond its reproductive functions, HCG influences other physiological processes, including the modulation of immune responses, which help in protecting the developing embryo. Its measurement in blood or urine forms the basis of many pregnancy tests, highlighting its significance in medical diagnostics [7]. Overall, HCG’s mechanisms of action emphasize its pivotal role in reproductive health and its therapeutic potential in addressing fertility-related challenges

Buy HCG Nasal Spray from PharmaLabGlobal offering a convenient and painless peptide delivery to your clinical research.

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Potential Clinical Applications of HCG Peptide

HCG is a hormone found in the human body primarily known for its important role in maintaining pregnancy by supporting the corpus luteum, which produces progesterone essential for sustaining the uterine lining. HCG is commonly used in IVF treatment [8] as it can have the following applications:

HCG maintains the corpus luteum

Research has demonstrated that Human Chorionic Gonadotropin (HCG) plays a crucial role in maintaining the corpus luteum by binding to the luteinizing hormone/chorionic gonadotropin receptor (LHCGR) located on ovarian cells. This interaction initiates intracellular signalling pathways that stimulate the production of progesterone. Progesterone is a vital hormone that stabilizes the uterine lining, creating a supportive environment for a fertilized egg to implant and grow. By ensuring continuous progesterone production, HCG helps sustain the corpus luteum during the early stages of pregnancy, which is essential for preventing the uterine lining from shedding and promoting successful pregnancy development [3].

Stimulates ovulation

HCG, or Human Chorionic Gonadotropin, stimulates ovulation by mimicking the natural surge of luteinizing hormone (LH) that occurs during a woman’s menstrual period cycle. Normally, this LH surge triggers the release of a mature egg from the ovary, a process essential for natural conception. In fertility treatments, such as in vitro fertilization (IVF), HCG is used to replicate this surge, hence controlling and timing ovulation precisely. Clinical studies have found that administering HCG induces the final maturation of the egg and its release from the follicle, readying it for fertilization. This timing is critical in assisted reproductive technologies to ensure that the egg can be retrieved or fertilized at the optimal moment, thus enhancing the chances of successful conception [9]. 

Enhances the luteal phase

Clinical studies have found that HCG, or Human Chorionic Gonadotropin, enhances the luteal phase function by ensuring the sustained production of progesterone, a hormone critical for preparing and maintaining the uterine lining for potential implantation. After ovulation, the corpus luteum, a temporary endocrine structure in the ovaries, produces progesterone to stabilize the uterine lining. HCG binds to the luteinizing hormone/chorionic gonadotropin receptors on the corpus luteum, stimulating its activity and prolonging its life span. This interaction is essential for maintaining adequate progesterone levels, which prevent the uterine lining from shedding, thereby creating a conducive environment for a fertilized egg to implant and grow. By supporting the corpus luteum and enhancing progesterone production, HCG plays a vital role in the luteal phase, ensuring the uterine environment is optimal for early pregnancy development [5].

Buy HCG Pre-Mixed Peptide Pen. Pen kits and pre-mixed refill cartridges supplied by PharmaLabGlobal for clinical research purposes.

HCG Nasal Peptide 30ml

Does HCG have any possible side effects?

There are a number of side effects associated with the use of HCG peptide therapy in addition to the usual adverse effects associated with injectable peptides including redness of the injection site. Therefore it should only be used under the guidance of healthcare professionals or pharmacies.

Frequently Asked Questions about HCG

Is HCG used in IVF Treatment?

Yes, HCG is commonly used in IVF treatments. It is administered to trigger the final maturation of eggs and stimulate ovulation, mimicking the natural luteinizing hormone levels (LH) surge, which is crucial for the timing of egg retrieval in the IVF process.

Can HCG cause weight loss?

The HCG diet, which involves taking HCG (Human Chorionic Gonadotropin) and following a very low-calorie diet, is often marketed for weight loss. However, the fat loss associated with this diet is primarily due to the severe caloric restriction, not the HCG itself. The FDA has not approved HCG for weight loss or the treatment of obesity, and the diet is considered ineffective and unsafe due to health risks.

Can HCG help with the menopause?

Peptide therapy, including HCG, can help alleviate common menopause symptoms such as hot flashes, mood swings, and vaginal dryness by promoting hormone balance and improving overall health. These peptides can enhance sexual function, boost energy levels, and support cognitive functions. However, it’s essential to consult with a healthcare provider before starting any new treatment or supplement to ensure it’s appropriate for your specific health needs.

Is HCG legal?

With a doctor’s prescription HCG is approved in most countries by the drug administration agency. PharmaLabGlobal suppliers high purity HCG products for clinical research use only.

Scientific Research

[1] Kumar P, Magon N. Hormones in pregnancy. Niger Med J. 2012 Oct;53(4):179-83.

[2] Janet Choi, Johan Smitz, Luteinizing hormone and human chorionic gonadotropin: Origins of difference, Molecular and Cellular Endocrinology, Volume 383, Issues 1–2, 2014, Pages 203-213.

[3] Duncan WC. The inadequate corpus luteum. Reprod Fertil. 2021 Feb 26;2(1):C1-C7.

[4] Jiang M, Wang C, Fei X, Lin Z. Pregnancy confirmed after controlled ovarian stimulation for infertility: A case report. Medicine (Baltimore). 2021 Sep 17;100(37):e27140.

[5] Mesen TB, Young SL. Progesterone and the luteal phase: a requisite to reproduction. Obstet Gynecol Clin North Am. 2015 Mar;42(1):135-51.

[6] De Cesare R, Morenghi E, Cirillo F, Ronchetti C, Canevisio V, Persico P, Baggiani A, Sandri MT, Levi-Setti PE. The Role of hCG Triggering Progesterone Levels: A Real-World Retrospective Cohort Study of More Than 8000 IVF/ICSI Cycles. Front Endocrinol (Lausanne). 2020 Sep 23;11:547684

[7] Gnoth C, Johnson S. Strips of Hope: Accuracy of Home Pregnancy Tests and New Developments. Geburtshilfe Frauenheilkd. 2014 Jul;74(7):661-669.

[8] Matorras R, Meabe A, Mendoza R, Prieto B, Ramón O, Mugica J, Aspichueta F, Exposito A. Human chorionic gonadotropin (hCG) plasma levels at oocyte retrieval and IVF outcomes. J Assist Reprod Genet. 2012 Oct;29(10):1067-71. 

[9] Hershko Klement A, Shulman A. hCG Triggering in ART: An Evolutionary Concept. Int J Mol Sci. 2017 May 17;18(5):1075. 

Further Reading:

Using HCG as PCT

Using HCT as PCT

The blog delves into how HCG aids in restoring natural testosterone levels and maintaining hormonal balance, making it an effective post cycle support therapy or testosterone replacement therapy.

Discovering HCG Peptide

Discovering HCG Peptide

This blog explores the research behind possible applications of HCG peptide beyond the uses in fertility and hormone balance restoration according to research.

HCG In Fertility Treatment

Revolutionising Fertility Treatment with HCG

This blog investigates HCG’s multifaceted roles highlighting its contribution to higher success rates in assisted reproductive technologies. Also discussing the promising synergy of Kisspeptin, Oxytocin, and PT-141.

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Peptides are manufactured to a purity standard of 99% (complex peptides are 98% pure or higher)

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At Pharma Lab Global we aim to supply the highest purity research peptides at affordable prices.

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DISCLAIMER: All products sold by Pharma Lab Global are for research and laboratory use only. These products are not designed for use or consumption by humans or animals. They are not to be classified as a drug, food, cosmetic, or medicinal product and must not be mislabelled or used as such. By purchasing from our Website the buyer accepts and acknowledges the risks involved with handling of these products. All articles and product information provided on this Website are for informational and educational purposes only. Handling and use of these products should be restricted to suitably qualified professionals.