{"title":"Growth Factors \u0026 IGF Research","description":"\u003ch2 id=\"tinymce_scroll_sign\"\u003eUnderstanding Growth Factors and Where to Buy Growth Factors UK\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWhat Are Growth Factors and Their Role in the Body?\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eGrowth factors are natural proteins that play a vital role in cellular development, tissue repair, and overall body growth. These molecules, including Insulin-like Growth Factors (IGFs), stimulate cell growth and regeneration, making them essential for healing and maintaining healthy bodily functions. Understanding how growth factors work helps individuals appreciate their importance in medical research and potential supplements aimed at enhancing wellness. For those interested in health optimization, knowing where to buy growth factors UK ensures access to high-quality products that support these critical biological processes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eThe Latest IGF Research and Its Impact on Health\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eRecent studies on Insulin-like Growth Factors have highlighted their significant impact on muscle growth, bone density, and cellular repair. IGF research has expanded into areas such as aging, recovery after injury, and chronic disease prevention. By staying informed about these advances, consumers in the UK can make educated decisions when choosing supplements or therapies involving growth factors. This growing body of scientific evidence supports the benefits of IGFs, helping individuals understand why they might want to buy growth factors UK as part of their health regimen.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWhere to Safely Buy Growth Factors UK\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFinding reputable sources to buy growth factors UK is crucial for ensuring safety and effectiveness. Consumers should look for trusted pharmacies or certified suppliers who provide clear product information and quality assurances. Regulatory compliance and transparency about sourcing are important factors when selecting a supplier. Additionally, consulting healthcare professionals before starting any growth factor supplement regimen can enhance safety and maximize benefits. With the right choices, individuals can confidently purchase growth factors UK products to support their health goals.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"bacteriostatic-water-bac-water","title":"Bacteriostatic Water (BAC Water)","description":"\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eBacteriostatic Water | BAC Water | Sterile Peptide Reconstitution Solution | Research Grade\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eComposition:\u003c\/strong\u003e Sterile water for injection + 0.9% benzyl alcohol (9 mg\/mL) \u003cstrong\u003eGrade:\u003c\/strong\u003e Research grade — sterile, pyrogen-free \u003cstrong\u003ePreservative:\u003c\/strong\u003e Benzyl alcohol 0.9% (v\/v) \u003cstrong\u003epH:\u003c\/strong\u003e 4.5–7.0 \u003cstrong\u003eAppearance:\u003c\/strong\u003e Clear, colourless solution \u003cstrong\u003ePackaging:\u003c\/strong\u003e Sealed multi-dose vials \u003cstrong\u003eStorage:\u003c\/strong\u003e Room temperature (15–25°C), away from light; refrigerate after opening\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhat Is Bacteriostatic Water?\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBacteriostatic water (BAC water) is a preparation of sterile water for injection containing 0.9% benzyl alcohol (9 mg\/mL) as a preservative. The term \"bacteriostatic\" refers to the benzyl alcohol component — a broad-spectrum antimicrobial agent that inhibits bacterial growth and multiplication within the vial, without necessarily killing bacteria outright. This preservative action allows BAC water to remain safely usable across multiple withdrawals over an extended period — a critical property that distinguishes it from standard sterile water for injection, which is intended for single-use only and carries no microbial protection after the vial seal is first broken.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBAC water is the standard reconstitution vehicle for a wide range of lyophilised research peptides, proteins, and biological compounds — including human growth hormone (HGH), GHRFs, GHRPs, and most synthetic research peptides. It is used wherever a multi-dose reconstitution protocol is required, and where peptide or protein stability across multiple draw-down events must be maintained without microbial contamination risk.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOur bacteriostatic water is manufactured to research grade: sterile, pyrogen-free, and packaged in sealed multi-dose vials with halogenated butyl stoppers compatible with standard research syringes and needle gauges.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhy BAC Water Matters for Peptide Research\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe choice of reconstitution vehicle is one of the most practically consequential decisions in peptide research — and one that is frequently underestimated. Using an inappropriate reconstitution solution can compromise peptide stability, alter solubility, affect experimental reproducibility, and — in the case of multi-dose vials — introduce microbial contamination that invalidates results and degrades the compound.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBacteriostatic water addresses these concerns by providing a chemically inert, pH-appropriate, sterile environment with sustained antimicrobial protection across repeated vial access events. For researchers working with lyophilised peptides that require reconstitution before use — including every compound in our research catalogue — BAC water is the most broadly appropriate and widely used reconstitution vehicle in the scientific literature.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCompatibility with our catalogue:\u003c\/strong\u003e BAC water is the recommended reconstitution vehicle for HGH (somatotropin), tesamorelin, BPC-157, TB-500, MOTS-c, Selank, and the majority of other lyophilised research peptides. GHK-Cu is optimally reconstituted in sterile water or PBS, and 5-Amino-1MQ may require DMSO for certain protocols — but for the majority of peptide reconstitution applications, BAC water is the first-choice solution.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eComposition \u0026amp; Technical Specifications\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy 0.9% benzyl alcohol?\u003c\/strong\u003e Benzyl alcohol has been used as an antimicrobial preservative in injectable preparations since the 1920s. At 0.9% concentration, it provides effective bacteriostatic activity against a broad spectrum of gram-positive and gram-negative bacteria — the most likely contaminants in a multi-access vial environment — while remaining chemically compatible with the widest range of peptides, proteins, and hormones used in research. Higher benzyl alcohol concentrations can begin to affect protein folding and stability; 0.9% represents the established standard for balancing preservation efficacy with compound compatibility.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy not sterile water for injection?\u003c\/strong\u003e Standard sterile water for injection (SWFI) contains no preservative and is intended for single-use only. Once the seal is broken and the vial accessed, SWFI provides no protection against bacterial contamination from subsequent needle insertions. For researchers who routinely draw multiple aliquots from a single reconstituted vial over days or weeks — as is standard practice with peptide research compounds — SWFI is inappropriate and significantly increases the risk of microbial contamination that will degrade the compound and compromise experimental results.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhy not saline or PBS?\u003c\/strong\u003e Normal saline (0.9% sodium chloride) and phosphate-buffered saline (PBS) are appropriate for some peptide reconstitution applications but carry important caveats. Saline can reduce the solubility of certain peptides and proteins and provides no preservative action in multi-dose vials. PBS introduces phosphate and salt ions that can interact with some peptides and alter their behaviour in downstream assays. For most lyophilised research peptide applications, BAC water provides a cleaner, more universally compatible, and more practically convenient reconstitution vehicle.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eBAC Water and Peptide Stability\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eProper reconstitution practice is as important as purity when it comes to preserving the integrity and research utility of lyophilised peptides. The following principles apply to reconstitution with BAC water across the research peptide catalogue:\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eTechnique:\u003c\/strong\u003e Always inject BAC water slowly against the side of the vial — never directly onto the lyophilised powder, which can mechanically disrupt peptide structure. Swirl gently until dissolved; do not shake or vortex.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eTemperature:\u003c\/strong\u003e Allow the lyophilised vial to reach room temperature before reconstitution. Cold powder reconstituted with room-temperature water can produce localised concentration gradients that slow dissolution.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eStorage after reconstitution:\u003c\/strong\u003e Reconstituted peptides in BAC water should be stored at 2–8°C (refrigerated). The benzyl alcohol preservative protects against microbial growth but does not prevent peptide degradation from heat or light exposure. Reconstituted solutions should be used within the timeframes recommended for each specific compound — typically 28 days for HGH and tesamorelin, and up to 30 days for shorter synthetic peptides, though this varies by compound.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFreeze-thaw:\u003c\/strong\u003e Reconstituted peptide solutions in BAC water should not be re-frozen unless the specific compound's data sheet indicates this is acceptable. For long-term storage, lyophilise in advance of reconstitution or aliquot before the first freeze-thaw cycle.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eComposition\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eWater for injection + 0.9% benzyl alcohol (9 mg\/mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eGrade\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eResearch grade — sterile, pyrogen-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePreservative\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBenzyl alcohol 0.9% (v\/v)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003epH\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e4.5–7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eOsmolality\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e~9 mOsm\/kg (hypotonic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAppearance\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eClear, colourless solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePackaging\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSealed multi-dose vials with halogenated butyl stopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eStorage\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eRoom temperature (15–25°C), away from light; refrigerate after opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAs labelled on vial; discard 28 days after first opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eQuality \u0026amp; Purity Assurance\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOur bacteriostatic water is manufactured to research-grade standards:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSterility Testing\u003c\/strong\u003e — confirmed sterile, free from viable microorganisms\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePyrogen \/ Endotoxin Testing\u003c\/strong\u003e — confirmed pyrogen-free by LAL (Limulus Amebocyte Lysate) assay\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBenzyl Alcohol Content\u003c\/strong\u003e — verified at 0.9% (9 mg\/mL) by validated assay\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003epH Verification\u003c\/strong\u003e — confirmed within the 4.5–7.0 range\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eParticulate Matter Testing\u003c\/strong\u003e — confirmed free from visible particulates\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCertificate of Analysis (CoA)\u003c\/strong\u003e — available upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eEssential Accessory for Every Peptide Researcher\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBAC water is a consumable that every serious research peptide laboratory requires. We recommend maintaining an adequate supply to support your full research protocol — running out mid-study and substituting an alternative reconstitution vehicle can introduce a variable that undermines experimental comparability. Given the investment represented by high-purity research peptides, using a matched, research-grade reconstitution solution is a straightforward way to protect that investment and maintain the integrity of your experimental data.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIf you are purchasing any lyophilised peptide from our catalogue — whether BPC-157, TB-500, GHK-Cu, MOTS-c, Selank, tesamorelin, HGH, retatrutide, or any other compound — we recommend including bacteriostatic water in your order.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eImportant Notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eThis product is intended strictly for research and laboratory use only. Bacteriostatic water containing benzyl alcohol is not approved for use in neonates or premature infants, in whom benzyl alcohol toxicity has been documented at high doses. This product must not be self-administered or used outside of appropriately supervised research or clinical contexts. By purchasing this product, the buyer confirms they are a qualified researcher and will use it solely for lawful scientific research purposes.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"NEXYRALAB","offers":[{"title":"10ml","offer_id":59643105149262,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/3351\/0990\/files\/bac-water-navy-v2.jpg?v=1781523530"},{"product_id":"hgh-peptide","title":"HGH Peptide","description":"\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eHGH | Somatotropin | Recombinant Human Growth Hormone (rhGH) | Research Peptide\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAlso Known As:\u003c\/strong\u003e Somatotropin, rhGH, Growth Hormone (GH), HGH \u003cstrong\u003eMolecular Structure:\u003c\/strong\u003e 191-amino acid single-chain polypeptide, four-helix bundle \u003cstrong\u003eMolecular Formula:\u003c\/strong\u003e C₉₉₀H₁₅₂₈N₂₆₂O₃₀₀S₇ \u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e 22,124 Da \u003cstrong\u003ePurity:\u003c\/strong\u003e \u0026gt;99% (HPLC verified) \u003cstrong\u003eForm:\u003c\/strong\u003e Lyophilised powder \u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 5mg | 10mg \u003cstrong\u003eStorage:\u003c\/strong\u003e 2–8°C (refrigerated); –20°C for long-term storage \u003cstrong\u003eCAS Number:\u003c\/strong\u003e 12629-01-5\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eWhat Is HGH (Somatotropin)?\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHuman Growth Hormone (HGH), formally known as somatotropin, is a 191-amino acid single-chain polypeptide produced naturally by somatotropic cells within the anterior pituitary gland. It is one of the most structurally and functionally characterised hormones in human biology, and one of the longest-studied peptide hormones in the scientific literature — with research dating back to the 1950s. Its characteristic four-helix bundle structure is essential for binding to the growth hormone receptor (GHR), and this interaction underlies the full spectrum of its biological activity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHGH production is tightly regulated by several complex feedback mechanisms in response to stress, exercise, nutrition, sleep, and growth hormone. The primary regulatory factors are growth hormone-releasing hormone (GHRH), produced in the hypothalamus; somatostatin, produced in various tissues throughout the body; and ghrelin, produced in the gastrointestinal tract. The net result of these interlocking regulatory signals is a pulsatile release pattern — with the largest secretory pulses occurring during deep sleep — that produces circulating HGH levels which peak during adolescence and decline progressively with age thereafter.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe recombinant human growth hormone (rhGH) supplied here is produced via recombinant DNA technology, yielding a molecule that is structurally identical to endogenous pituitary-derived somatotropin. This form — abbreviated rhGH in the scientific literature — has been the standard research-grade form since recombinant production methods superseded cadaveric extraction in the 1980s, and it remains the reference compound for the full body of modern growth hormone research.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOur HGH is manufactured under strict quality-controlled conditions, verified to a purity of greater than 99% by High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS), and supplied as a lyophilised (freeze-dried) powder for optimal stability and shelf life.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eResearch Background \u0026amp; Scientific Interest\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHGH has one of the most extensive and mature research profiles of any peptide in existence — with over six decades of published science spanning endocrinology, cell biology, metabolic medicine, musculoskeletal research, cardiovascular science, and neuroscience. Its central role in growth, metabolism, and tissue homeostasis makes it a foundational reference compound for researchers across a wide range of disciplines.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMechanism of Action: Direct \u0026amp; Indirect Pathways\u003c\/strong\u003e HGH has two mechanisms of action: direct and indirect. The direct effects of HGH on the body occur through its binding to target cells, stimulating a response. The indirect effects occur primarily through insulin-like growth factor-1 (IGF-1), which hepatocytes secrete in response to elevated HGH binding to surface receptors. Once activated, the Janus-activated tyrosine kinases (JAKs) 1 and 2 bind to the latent cytoplasmic transcription factors STAT1, STAT3, and STAT5, and transport them into the nucleus, inducing increased gene transcription and metabolism to produce IGF-1 for release into the circulation. IGF-1 then mediates many of HGH's anabolic and growth-promoting effects at peripheral tissues. Researchers therefore study HGH and IGF-1 as an integrated axis rather than as independent compounds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eGrowth, Cell Proliferation \u0026amp; Tissue Development\u003c\/strong\u003e HGH stimulates growth, cell reproduction, and cell regeneration in humans and other animals, and also stimulates production of IGF-1 and increases the concentration of glucose and free fatty acids. In the context of preclinical research, this broad anabolic and mitogenic activity makes HGH a central reference compound in studies examining skeletal growth, organ development, chondrocyte and osteoblast biology, and the regulation of cell cycle progression. Its role in cartilage and long bone development via IGF-1-mediated growth plate stimulation remains one of the most studied areas of growth hormone biology.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMetabolic Research: Lipolysis, Glucose Homeostasis \u0026amp; Body Composition\u003c\/strong\u003e HGH exerts direct metabolic effects that are distinct from — and at times opposing to — its IGF-1-mediated growth effects. In preclinical and clinical research, HGH has been studied extensively for its lipolytic activity: it directly stimulates hormone-sensitive lipase in adipose tissue, promoting the mobilisation of free fatty acids as an energy substrate. Simultaneously, HGH exerts anti-insulin effects by reducing peripheral glucose uptake and increasing hepatic glucose output — effects that have made the GH–IGF-1 axis a central subject in diabetes research, insulin sensitivity modelling, and metabolic syndrome studies. Researchers use rhGH as a reference compound to investigate the interaction between growth factor signalling and insulin signalling pathways, as well as the downstream effects of GH excess and deficiency states on body composition, fat distribution, and lipid metabolism.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMusculoskeletal \u0026amp; Anabolic Research\u003c\/strong\u003e The role of HGH in skeletal muscle biology has been a subject of sustained research interest. Preclinical studies have investigated HGH's influence on satellite cell activation, myofibrillar protein synthesis, muscle hypertrophy, and recovery from muscle injury — effects largely mediated through the GH receptor and downstream IGF-1 signalling in muscle tissue. HGH is known to help improve and increase muscle mass through a process known as hypertrophy, and also boosts protein synthesis in the body. Research has also examined HGH's effects on nitrogen retention, amino acid transport, and the balance between protein synthesis and degradation in skeletal muscle — making it an important reference compound in studies examining sarcopenia, cachexia, and muscle wasting conditions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHGH's influence on bone mineral density and calcium metabolism has similarly attracted substantial research attention. It is also known to help improve calcium retention in cells, which leads to an increase in bone strength. Preclinical and translational research has investigated these effects in models of osteoporosis, fracture healing, and skeletal remodelling, with IGF-1 identified as a key mediator of HGH's osteoanabolic activity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eImmune System Research\u003c\/strong\u003e Another well-known function of HGH is the way it acts to stimulate the immune system. Preclinical research has investigated HGH's influence on thymic function, lymphocyte proliferation, natural killer cell activity, and cytokine production. The GH receptor is expressed on multiple immune cell types, and the GH–IGF-1 axis is now understood to play an important modulatory role in both innate and adaptive immunity. This has generated research interest in HGH's potential role in immune senescence — the age-associated decline in immune function — given the parallel decline in GH secretion observed with advancing age.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAgeing \u0026amp; GH Deficiency Research\u003c\/strong\u003e The progressive decline in HGH secretion with age — a phenomenon sometimes termed somatopause — is associated with a well-characterised constellation of metabolic and physiological changes including increased fat mass, reduced lean body mass, decreased bone density, impaired exercise capacity, and reduced quality of life. This relationship has made rhGH an important tool in ageing research, where it is used as a reference compound to investigate the biological consequences of GH deficiency and the mechanistic basis of age-related metabolic decline. Studies comparing GH-replete and GH-deficient animal models have been particularly valuable for delineating the specific contributions of the GH–IGF-1 axis to healthy ageing trajectories.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCardiovascular Research\u003c\/strong\u003e The GH–IGF-1 axis exerts significant influence on cardiovascular structure and function, and has been studied extensively in both directions — deficiency and excess. In GH-deficient animal models, researchers have observed increased cardiovascular risk markers including dyslipidaemia, endothelial dysfunction, and reduced cardiac output. Conversely, GH excess models have been used to study the pathophysiology of acromegaly-related cardiomyopathy and hypertension. These two poles of the research landscape have contributed to a nuanced understanding of the dose-dependent and receptor-mediated cardiovascular effects of GH signalling.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNeuroendocrinology \u0026amp; CNS Research\u003c\/strong\u003e GH receptors are expressed in multiple brain regions, and HGH has been investigated in preclinical models of cognitive function, neuroprotection, and neuroendocrine regulation. Research has examined the role of the GH–IGF-1 axis in hippocampal neurogenesis, synaptic plasticity, and the regulation of mood-associated neurotransmitter systems. These findings have contributed to a growing body of evidence suggesting that the age-related decline in GH secretion may have consequences for cognitive and neurological function beyond its well-characterised metabolic effects.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eProduct Specifications\u003c\/h3\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePeptide\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHGH — Recombinant Human Growth Hormone (rhGH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAlso Known As\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSomatotropin, Growth Hormone (GH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eStructure\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e191-amino acid single-chain polypeptide, four-helix bundle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMolecular Formula\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eC₉₉₀H₁₅₂₈N₂₆₂O₃₀₀S₇\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e22,124 Da\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePurity\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e\u0026gt;99% (HPLC \u0026amp; MS verified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eForm\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eLyophilised powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eVial Sizes\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e5mg, 10mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAppearance\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eWhite to off-white powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSolubility\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSoluble in sterile water or bacteriostatic water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eStorage\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e2–8°C (short-term); –20°C (long-term, lyophilised)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e24 months lyophilised; use reconstituted solution within 28 days (2–8°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCAS Number\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e12629-01-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eQuality \u0026amp; Purity Assurance\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEvery batch of our recombinant HGH undergoes a rigorous multi-stage quality control and release process. Our assurance pipeline includes:\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHPLC Analysis\u003c\/strong\u003e — confirms peptide purity exceeding 99% and correct isoform profile\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMass Spectrometry (MS)\u003c\/strong\u003e — verifies molecular identity, molecular weight, and structural integrity of the 191-amino acid sequence\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSDS-PAGE\u003c\/strong\u003e — confirms correct molecular weight band and purity under denaturing conditions\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEndotoxin Testing\u003c\/strong\u003e — ensures the product is free from bacterial endotoxins\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCertificate of Analysis (CoA)\u003c\/strong\u003e — available for every batch upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFull batch traceability is maintained across fermentation, purification, and quality testing. Given the complexity of the rhGH molecule relative to shorter synthetic peptides, our multi-method QC approach is particularly important for confirming correct folding, isoform composition, and bioactivity-relevant structural integrity.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eHandling \u0026amp; Reconstitution (Research Use)\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eLyophilised rhGH powder should be reconstituted by slowly adding sterile bacteriostatic water (0.3% benzyl alcohol) or sterile water for injection directly to the side of the vial — do not inject water directly onto the powder or vortex. Swirl gently until fully dissolved. The recommended reconstitution volume will depend on the experimental protocol and desired working concentration.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOnce reconstituted, rhGH solution should be stored at 2–8°C and used within 28 days. For longer-term storage, aliquot the lyophilised powder prior to reconstitution and store at –20°C. Avoid repeated freeze-thaw cycles. As a larger, more complex protein than typical synthetic peptides, rhGH is more susceptible to degradation from heat, agitation, and improper storage — careful handling is essential to maintain research-grade integrity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAll handling should comply with standard laboratory safety protocols and applicable institutional or regulatory guidelines.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eHGH in the Context of the GH Research Axis\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eHGH is the central reference compound in a broader family of growth axis research tools. Researchers frequently study rhGH alongside related compounds to dissect the upstream and downstream components of GH signalling. Growth hormone-releasing hormone (GHRH) and its analogues — including sermorelin and CJC-1295 — represent the upstream secretagogue axis, while IGF-1 and its analogues (including IGF-1 LR3) represent the primary downstream effector pathway. Growth hormone-releasing peptides (GHRPs) such as GHRP-2 and GHRP-6 offer an alternative stimulatory approach via ghrelin receptor activation, while the HGH fragment 176–191 (AOD-9604) provides a tool for investigating the specific lipolytic domain of the molecule in isolation from its growth-promoting effects.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWithin our broader catalogue, rhGH occupies a distinct endocrine research niche relative to the tissue-repair focused peptides BPC-157 and TB-500, the genomic and matrix remodelling compound GHK-Cu, the mitochondrial metabolic peptide MOTS-c, the systemic hormonal triple agonist retatrutide, and the intracellular NNMT inhibitor 5-Amino-1MQ. Together, these compounds offer researchers a diverse, mechanistically broad toolkit spanning endocrine signalling, tissue biology, metabolic regulation, and cellular ageing research.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eImportant Notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eThis product is intended strictly for in vitro research and laboratory use only. Recombinant human growth hormone is a prescription-only medicine in most jurisdictions and is not approved for non-prescription or non-therapeutic human use by the FDA, EMA, or any other regulatory authority. It is not a supplement or food product. This product must not be administered to humans or animals outside of appropriately approved and supervised clinical or veterinary contexts. By purchasing this product, the buyer confirms they are a qualified researcher and will use the compound solely for lawful scientific research purposes.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"NEXYRALAB","offers":[{"title":"10iu","offer_id":59726767849806,"sku":null,"price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/3351\/0990\/files\/hgh-navy-v2.jpg?v=1781515721"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1035\/3351\/0990\/collections\/hf_20260512_192206_8b1a545f-fe5a-431e-9155-a1d1ec14b5dc.png?v=1780245159","url":"https:\/\/checkout.nexyralab.com\/collections\/growth-factors-igf-research.oembed","provider":"Nexyralab.com","version":"1.0","type":"link"}