PRODUCTS SOLD ON PEPTIDESLABUAE.COM ARE FOR RESEARCH PURPOSES ONLY AND ARE NOT FOR HUMAN OR VETERINARY USE.
PRODUCTS SOLD ON PEPTIDESLABUAE.COM ARE FOR RESEARCH PURPOSES ONLY AND ARE NOT FOR HUMAN OR VETERINARY USE.
Price range: £29.99 through £99.00
Buy HGH 191AA in UAE – In Stock & Ready to Ship
HGH 191AA (Human Growth Hormone 191 Amino Acid) is a widely researched compound known for its role in growth regulation and cellular regeneration studies. Each batch is independently verified at ≥99% purity and comes with a full Certificate of Analysis (COA) and HPLC testing documentation — giving UAE research teams the confidence they need when sourcing compounds for serious work.
For research use only. Not intended for human or veterinary use.
HGH 191AA (Human Growth Hormone, 191 Amino Acids) is the full-length, sequence-identical recombinant form of endogenous human growth hormone, studied extensively across endocrinology, metabolic biology, and cellular research for its broad influence on growth signalling, body composition, metabolism, and tissue development — making it the foundational reference compound for the entire growth hormone research field. Researchers and institutions across the UAE, Dubai, Abu Dhabi and the wider GCC can source verified, research-grade HGH 191AA with fast international dispatch and full batch documentation included.
✅ ≥99% Purity — HPLC & Mass Spectrometry Verified
✅ Batch-Specific Certificate of Analysis (CoA) Included
✅ Sterile Lyophilised Powder | GMP Manufactured
✅ Fast International Dispatch to UAE & GCC
HGH 191AA refers to recombinant human growth hormone produced to match the complete 191-amino acid sequence of the naturally occurring somatotropin hormone secreted by somatotroph cells in the anterior pituitary gland. The “191AA” designation specifically indicates the full, unmodified amino acid sequence — distinguishing it from truncated fragments such as AOD9604 (the C-terminal fat metabolism fragment) or modified analogues with altered sequences.
Natural human growth hormone is a single-chain polypeptide of 191 amino acids with two disulfide bonds that give it its characteristic three-dimensional structure and biological activity. It is secreted in a pulsatile manner — primarily during slow-wave sleep and in response to exercise, fasting, and other physiological stimuli — and exerts its effects both directly through GH receptors and indirectly through stimulating IGF-1 production in the liver and peripheral tissues.
As a research-grade recombinant protein produced to match this full sequence, HGH 191AA is the reference standard against which all growth hormone research is conducted — making it an essential tool for any laboratory studying the GH/IGF-1 axis, growth biology, or somatotropic signalling. Research institutions across the UAE and GCC studying endocrinology, metabolic health, and tissue biology have shown strong and growing demand for research-grade HGH 191AA.
In controlled laboratory and pre-clinical research settings, HGH 191AA has been studied across an exceptionally broad range of biological research applications:
GH Receptor Signalling Research: HGH 191AA is used as the reference ligand for studying GH receptor (GHR) pharmacology — examining receptor binding kinetics, JAK2/STAT5 signalling activation, and downstream gene expression changes triggered by full-length GH receptor engagement.
IGF-1 Axis Studies: Research examining the GH/IGF-1 axis uses HGH 191AA to study how GH receptor activation in liver cells stimulates IGF-1 production, and how IGF-1 then mediates many of growth hormone’s peripheral effects on tissue growth and metabolism.
Body Composition Research: Pre-clinical studies have examined how HGH 191AA influences body composition parameters including lean muscle mass, adipose tissue distribution, and overall metabolic rate in animal models — reflecting growth hormone’s well-established role in regulating tissue composition.
Lipolysis and Fat Metabolism: HGH 191AA stimulates lipolysis through direct GH receptor activation in adipose tissue. Studies have examined this mechanism to understand how growth hormone regulates fat mobilisation and energy balance, and to characterise the fat metabolism effects attributable to full-length GH compared to isolated fragments like AOD9604.
Protein Synthesis and Anabolic Signalling: Research has examined HGH 191AA’s influence on protein synthesis pathways in muscle and other tissues, exploring the molecular mechanisms through which growth hormone promotes anabolic processes at the cellular level.
Bone Biology and Growth Plate Research: Studies have incorporated HGH 191AA into models examining osteoblast activity, bone formation markers, growth plate chondrocyte behaviour, and skeletal development — reflecting growth hormone’s central role in longitudinal bone growth.
Cellular Proliferation Studies: Research has examined HGH 191AA’s mitogenic properties in multiple cell type models, exploring how GHR activation influences cell cycle progression and proliferative signalling in both normal and transformed cell lines.
Metabolic Regulation: Studies have examined HGH 191AA’s complex relationship with insulin and glucose metabolism — including its counter-regulatory effects on insulin sensitivity and its influence on hepatic glucose production — making it a relevant tool for metabolic disease research.
Immune Function Research: GH receptors are expressed on immune cells, and studies have examined how HGH 191AA influences lymphocyte function, thymic activity, and immune cell behaviour in pre-clinical models.
Ageing and Somatopause Research: The age-associated decline in GH secretion — termed somatopause — is studied using HGH 191AA to examine how GH axis restoration influences age-related changes in body composition, metabolism, and cellular function in aged animal models.
All applications listed are research-based only. HGH 191AA is not approved for human therapeutic use as supplied.
HGH 191AA has one of the most comprehensive and long-standing research profiles of any biological research compound:
Decades of endocrinology research have firmly established the complete mechanistic picture of how full-length growth hormone acts through GH receptors to activate JAK2/STAT5 signalling cascades — leading to IGF-1 gene expression, anabolic signalling, and the broad physiological effects associated with GH activity — providing a detailed molecular framework that underlies all current growth hormone research. Body composition research in pre-clinical models has consistently documented HGH 191AA’s influence on lean mass preservation, fat mobilisation, and overall metabolic parameters, with studies examining both the direct GH receptor-mediated effects and the indirect effects mediated through IGF-1 in peripheral tissues. Bone biology studies have established growth hormone’s central role in skeletal development and maintenance, with HGH 191AA used to examine osteoblast activation, bone mineral density markers, and growth plate dynamics in developmental and ageing research models. Metabolic research has produced an extensive body of work examining HGH 191AA’s counter-regulatory relationship with insulin — documenting how growth hormone influences hepatic glucose output and peripheral insulin sensitivity in ways that interact with the broader metabolic regulatory network. Somatopause research has used HGH 191AA in aged animal models to examine the relationship between declining GH axis activity and age-associated changes in body composition, immune function, and cellular biology — contributing to the foundational knowledge base of hormonal ageing research. Its status as the complete, sequence-identical form of endogenous GH makes HGH 191AA the essential reference standard for any research programme examining growth hormone biology, receptor pharmacology, or GH axis regulation.
| Feature | HGH 191AA | AOD9604 | Sermorelin | IGF-1 LR3 |
|---|---|---|---|---|
| Type | Full-length recombinant GH | GH C-terminal fragment | GHRH analogue (stimulates GH) | IGF-1 analogue (GH downstream) |
| Amino Acids | 191 | 15 (177–191 + Tyr) | 29 | 70 |
| Receptor Target | GH Receptor (GHR) | Beta-3 adrenergic related | GHRH Receptor | IGF-1 Receptor |
| GH Activity | Full spectrum | Fat metabolism only | Indirect (stimulates GH release) | Downstream of GH |
| Growth Promoting | Yes | No | Via GH release | Yes |
| Fat Metabolism | Yes | Selective | Via GH release | Limited |
| Research Use | Full GH axis reference | Lipolysis research | GH secretion studies | Cell growth studies |
| Parameter | Specification |
|---|---|
| Full Name | Recombinant Human Growth Hormone (somatropin) |
| Sequence | Full 191 Amino Acid sequence — sequence identical to endogenous hGH |
| Molecular Weight | ~22 kDa |
| Disulfide Bonds | 2 (Cys53-Cys165, Cys182-Cys189) |
| Purity | ≥99% (HPLC & MS Verified) |
| Form | Sterile Lyophilised Powder |
| Solubility | Bacteriostatic water, sterile water |
| Storage (powder) | -20°C, protect from light |
| Storage (reconstituted) | 2–8°C, use within 2–4 weeks |
Every order of HGH 191AA dispatched to the UAE and GCC includes:
Can I buy HGH 191AA in the UAE?
Yes. We supply research-grade HGH 191AA with international dispatch to the UAE, Dubai, Abu Dhabi, Sharjah and across the GCC. All orders include full batch documentation and are packaged to maintain protein integrity throughout transit. This compound is supplied strictly for laboratory research use only.
What does 191AA mean in HGH 191AA?
The “191AA” designation refers to the complete 191-amino acid sequence of human growth hormone — the full, unmodified polypeptide chain that makes up the endogenous somatotropin hormone. This distinguishes it from shorter growth hormone fragments such as AOD9604 (which corresponds to only 15 amino acids from the C-terminal region) and confirms that the research compound is the complete, sequence-identical form of natural human GH rather than a truncated or modified variant.
What is the difference between HGH 191AA and synthetic GH secretagogues like Sermorelin or Ipamorelin? HGH 191AA is the growth hormone itself — it directly activates GH receptors throughout the body. Sermorelin and Ipamorelin are secretagogues — compounds that stimulate the pituitary gland to produce and release its own growth hormone rather than providing GH directly. In research terms, HGH 191AA is used to study direct GH receptor pharmacology and downstream signalling, while secretagogues are used to study how the pituitary’s own GH-releasing system responds to stimulation.
Why does HGH 191AA have two disulfide bonds and why does this matter in research?
The two disulfide bonds in HGH 191AA — between Cys53-Cys165 and Cys182-Cys189 — are essential for maintaining the protein’s correct three-dimensional structure and biological activity. Disruption of these bonds through improper handling, excessive heat, or repeated freeze-thaw cycles can cause protein misfolding and loss of GHR binding activity. This is why careful reconstitution and storage protocols are essential for maintaining research-grade HGH 191AA in an active conformation throughout experimental use.
What purity is required for HGH 191AA research?
A minimum of ≥98% is considered research grade for recombinant proteins, though ≥99% is strongly preferred for sensitive receptor binding assays, signalling studies, and cell-based experiments where protein purity and correct folding directly affect pharmacological accuracy. All our HGH 191AA is independently verified to ≥99% purity with full structural confirmation.
How is HGH 191AA reconstituted for laboratory use?
Allow the vial to reach room temperature before opening. Add bacteriostatic water or sterile water slowly down the vial wall — never directly onto the lyophilised powder — and allow the cake to dissolve by gentle swirling. Do not shake vigorously as this can denature the protein and disrupt disulfide bond integrity. Aliquot immediately and store at -80°C for longer-term use, or at 2–8°C for short-term use within 2–4 weeks.
How quickly is HGH 191AA delivered to UAE?
Orders are dispatched promptly via tracked international courier with cold-chain packaging. Delivery to the UAE typically takes 3–5 working days, with packaging designed to maintain protein stability and integrity throughout transit.
Research Disclaimer: HGH 191AA (Recombinant Human Growth Hormone) is supplied exclusively for legitimate scientific research purposes conducted within licensed laboratory environments. This product is not intended for human consumption, self-administration, or any therapeutic application. It must be handled by qualified researchers in compliance with applicable UAE regulations and institutional ethics guidelines. Handling should only be performed by qualified laboratory professionals in controlled research settings with appropriate institutional authorisations in place. By purchasing, you confirm that this compound will be used solely for approved in-vitro or pre-clinical research purposes.
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