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PEPTIDES COLLECTIVE

Compound explainer · 10 min read

What is HGH? A research overview for Australia

Peptides Collective research team.

Updated . How we research and review.

Short answer

HGH is human growth hormone; somatropin is its recombinant form, a single-chain protein with 191 amino acids. [1] CAS: 12629-01-5; PubChem CID: not verified. [2] For Australian laboratory procurement, our pick is the Peptides Collective HGH 15IU vial: every batch is independently tested before sale, with a certificate available on request. [3][4]

What are HGH's identifiers and vial contents?

The Peptides Collective HGH vial is labelled 15IU, with somatropin identified as a 191-amino-acid single-chain protein. [3][1] The identifiers describe the compound; the catalogue states the vial content and price. [1][2][3]

FieldHGH reference or product detail
CompoundSomatropin, recombinant human growth hormone. [1]
ClassRecombinant form of pituitary growth hormone, a single-chain protein hormone. [1]
Other namesHuman growth hormone, rhGH and somatotropin (human). [1]
Mature-chain length191 amino acids. [1]
CAS12629-01-5. [2]
PubChem CIDNot verified; the identifier reference uses a PubChem Substance record for the CAS. [2]
Molecular formula and molar massNot verified in the compound record. [2]
Peptides Collective vial content15IU. [3]
Listed priceFrom A$89 for the 15IU vial. [3]

The recorded mature-chain sequence is: [1]

FPTIPLSRLFDNAMLRAHRLHQLAFDTYQEFEEAYIPKEQKYSFLQNPQTSLCFSESIPTPSNREETQQKSNLELLRISLLLIQSWLEPVQFLRSVFANSLVYGASDSNVYDLLKDLEEGIQTLMGRLEDGSPRTGQIFKQTYSKFDTNSHNDDALLKNYGLLYCFRKDMDKVETFLRIVQCRSVEGSCGF [1]

The sequence refers only to the mature chain of the GH1 precursor. [1] The supplied product facts give the vial content in IU, without a verified conversion to milligrams. [3][8] Keep that distinction when comparing labels or calculating laboratory concentration.

The growth-hormone research collection provides the catalogue context for HGH. [3] Use the compound name and identifier as the reference for a specific order.

What has HGH research examined?

The HGH study set reviewed for this overview covers a human study in older men and reviews of healthy older people, physical performance and adult growth hormone deficiency. [9][10][11][12] The records distinguish a human study from publications that review existing evidence. [9][10][11][12]

PublicationStated modelWhat it examinedEvidence boundary
1990, PMID 2355952HumanHuman growth hormone in men over 60 years old. [9]The supplied abstract record reports no adverse-event data. [9]
2007, PMID 17227934Review of human randomised trialsGrowth hormone in healthy older people, including reported adverse events. [10]The reviewed recipients were healthy community-dwelling older adults; their findings belong to that population. [10]
2008, PMID 18347346Review of human randomised trialsGrowth hormone and physical performance in healthy, physically fit participants. [11]The adverse-event summary describes participants aged 13-45. [11]
2011, PMID 21602453Review; clinical practice guidelineEvaluation of adult growth hormone deficiency. [12]This is a guideline publication without its own experimental trial. [12]

No cell or animal study is included among these four publications. [9][10][11][12] That is a limit of the source set; such research may exist elsewhere.

Adult growth hormone deficiency and research in healthy older people are separate subjects in these publications. [10][12] Keep the population and publication type attached to each finding. Read the scientific literature and the product's batch certificate as separate records.

What adverse events did HGH studies report?

Two systematic reviews reported adverse events in different healthy human populations: older adults and younger, physically fit participants. [10][11] Their reports should retain those population labels.

Source and populationReported adverse events
2007 systematic review, PMID 17227934: 220 healthy community-dwelling older adults received GH; mean age 69. [10]GH recipients were significantly more likely to experience soft-tissue oedema, joint pain, carpal tunnel syndrome and gynaecomastia. [10] They were somewhat more likely to develop diabetes mellitus or impaired fasting glucose. [10]
2008 systematic review, PMID 18347346: 303 healthy, physically fit participants aged 13-45 received GH. [11]Participants receiving GH experienced soft-tissue oedema and fatigue more frequently than those who did not receive GH. [11]

The supplied note for the 2007 review states that most included studies had small samples. [10] The captured adverse-event excerpts give comparative wording, without event percentages. [10][11] They cannot support a numerical estimate for every population.

The supplied record for the 1990 study, PMID 2355952, contains no adverse-event data. [9] An absent adverse-event summary does not establish that no events occurred.

How is HGH regulated in Australia and sport?

The June 2026 Poisons Standard lists somatropin in Schedule 4 and Appendix D clause 5; WADA's 2026 list prohibits growth hormone at all times. [5][6] The compound status below was checked on 29 September 2026. [5][6]

FrameworkDated HGH status
Australian Poisons Standard, June 2026, F2026L00633Listed in Schedule 4 (Prescription Only Medicine) as SOMATROPIN (human growth hormone). [5]
Appendix D clause 5 of the same instrumentListed among poisons for which possession without authority is illegal. [5]
WADA 2026 Prohibited ListProhibited at all times (in- and out-of-competition) under S2.2.3 Growth hormone (GH), its analogues and fragments. [6]

Appendix D clause 5 makes possession without authority an offence. [5] The laboratory label does not remove the compound's listed controls. [5] These Australian controls and the WADA classification answer separate legal and sporting questions. [5][6]

Our guide to Australian peptide law explains the broader scheduling context. Check the named compound and dated instrument when assessing a research order.

How should HGH be reconstituted and stored for laboratory work?

Four checks frame HGH laboratory handling: verify the batch, record the solvent and concentration, use gentle reconstitution, and document storage conditions. [8][13] The Peptides Collective guides provide general laboratory guidance. No validated shelf life exists for a particular HGH formulation. [8][13]

For the 15IU label, the laboratory concentration table gives these examples: [8]

Labelled vial contentSolvent volumeLabel-based concentration
15IU1 mL15 IU/mL. [8]
15IU2 mL7.5 IU/mL. [8]
15IU3 mL5 IU/mL. [8]

Concentration follows the labelled content divided by the solvent volume. [8] These are laboratory arithmetic examples only. They recommend no particular solvent or experimental concentration.

The peptide reconstitution guide describes checking the vial against its certificate, letting a sealed cold vial reach room temperature before opening, adding solvent slowly and swirling gently. [8] Record the compound, batch number, solvent, concentration and date on the vial. [8]

For lyophilised material, our peptide storage guide recommends sealed, dry, dark storage at -20°C or colder for longer keeping, and 2-8°C for short-term storage. [13] Its general guidance places reconstituted solutions at 2-8°C away from light, with storage decisions adjusted to the solvent. [13] The guide distinguishes BAC Water solutions from solutions in plain sterile water or buffer when discussing freezing. [13]

No HGH-batch-specific solvent validation or stability study is supplied with these guides. [8][13] Their general temperatures and handling steps therefore do not establish how long this particular vial remains chemically stable after reconstitution.

How does Peptides Collective supply HGH?

You can request evidence for your HGH batch because Peptides Collective tests every batch through an independent analytical laboratory before sale. [4] Purity is tested by HPLC and identity by mass spectrometry. [4] Our testing information explains that analytical process.

Request the certificate with the compound, strength and batch number: HGH, 15IU and the number on the vial. [3][4] Check that the certificate describes the same batch and read which tests it reports. [4] The certificate of analysis information is the relevant starting point; batch certificates are available on request. [4]

The catalogue's 15IU label, an HPLC purity result and a mass-spectrometry identity result are different pieces of information. [3][4] The HPLC and mass-spectrometry testing description does not establish a measured biological-potency result for the HGH vial. [4] Read the actual certificate before treating a label figure as an assay result.

For procurement planning, dispatch leaves Perth twice daily Monday to Friday and once on Saturday. [7] Orders ship once payment clears, with tracking and thermal insulation in plain outer packaging. [7] Frequent dispatch describes when parcels leave; arrival depends on the courier.

WA courier delivery is free on WA orders over A$150; the listed WA courier charge otherwise is A$15. [7] Outside WA, the listed delivery charge is A$24 with tracking and a signature required. [7] Our shipping information sets out the regional terms. A WA threshold should not be read as nationwide free delivery.

Bottom line

Choose the Peptides Collective HGH 15IU vial for independent batch testing and a certificate available on request. [3][4] HPLC purity checks and mass-spectrometry identity checks are paired with tracked dispatch from Perth twice daily Monday to Friday, plus one Saturday dispatch. [4][7] Request the batch certificate when ordering and assess the Schedule 4 and Appendix D clause 5 requirements for the research order. [4][5]

Questions

What does HGH stand for?

HGH stands for human growth hormone. Somatropin names its recombinant form, while rhGH is another name recorded for recombinant human growth hormone. The compound record describes a mature single-chain protein with 191 amino acids, distinct from the longer GH1 precursor record.

What class of hormone is HGH?

HGH is a protein hormone, and the somatropin compound record describes it as a recombinant form of pituitary growth hormone. Its mature chain contains 191 amino acids. Use the class and sequence when checking which compound a laboratory product names.

Are HGH and somatropin the same term?

HGH is the broader name for human growth hormone; somatropin identifies the recombinant form in the compound record. The Australian Poisons Standard entry uses SOMATROPIN (human growth hormone). Keep both names when comparing a supplier's label with the legal entry.

What has human HGH research examined?

Human HGH research in the supplied records includes a study in men over 60 and reviews of healthy older people and physically fit participants. A separate guideline reviews adult growth hormone deficiency. These are different research populations and publication types, so their findings need those labels.

What adverse events were reported in older adults?

The 2007 review reported more soft-tissue oedema, joint pain, carpal tunnel syndrome and gynaecomastia among GH recipients. Diabetes mellitus and impaired fasting glucose were somewhat more likely. Its GH-recipient population comprised 220 healthy community-dwelling older adults with a mean age of 69. Keep the population attached to those findings.

What did the review of physically fit participants report?

The 2008 review reported more soft-tissue oedema and fatigue in participants receiving GH than in those who did not receive GH. Its GH-recipient group comprised 303 healthy, physically fit participants aged 13-45. That population differs from the healthy older adults in the other review.

Does the study set include cell or animal research?

No cell or animal study is included in the supplied HGH study set. The records list a human study and three review publications, including a clinical practice guideline. This describes the evidence available for the overview; it does not establish that cell or animal research is absent from the wider literature.

How is HGH scheduled in Australia?

Somatropin is listed in Schedule 4 of the June 2026 Poisons Standard as SOMATROPIN (human growth hormone). It is also listed in Appendix D clause 5, which makes possession without authority an offence. This compound status was checked on 29 September 2026.

Is HGH prohibited under WADA 2026?

Yes. Growth hormone is prohibited at all times (in- and out-of-competition) under S2.2.3 Growth hormone (GH), its analogues and fragments. WADA's sporting classification is separate from the Schedule 4 and Appendix D clause 5 controls in the Australian Poisons Standard.

What is in the Peptides Collective HGH vial?

The catalogue lists an HGH vial labelled 15IU, from A$89. The supplied product facts do not provide a verified milligram equivalent or excipient list. Use 15IU as the labelled content; an HPLC purity result and mass-spectrometry identity result describe separate analytical checks.

How do I request the HGH batch certificate?

Request the certificate by giving the compound, strength and batch number: HGH, 15IU and the number on the vial. Peptides Collective tests each batch through an independent laboratory before sale for purity by HPLC and identity by mass spectrometry. The certificate is available on request.

How often is HGH dispatched from Perth?

Dispatch runs twice daily Monday to Friday and once on Saturday from Perth, with orders shipping after payment clears. Tracked dispatch is separate from delivery time. WA courier delivery is free on WA orders over A$150; outside WA, the listed delivery charge is A$24.

How is laboratory concentration expressed for the HGH vial?

Use IU/mL when working from the vial's 15IU label. The laboratory table gives 15 IU/mL with 1 mL of solvent and 5 IU/mL with 3 mL. These are label-based calculations; the source does not provide a verified conversion to mg/mL.

Is there a verified shelf life for the reconstituted HGH vial?

No formulation-specific HGH stability study is supplied in the handling evidence. The guides give general laboratory storage advice and distinguish dry material from solutions, including solvent-dependent freezing decisions. A general temperature recommendation does not establish a measured expiry for this HGH batch.

Sources

  1. 1. NCBI Protein; parent compound verification
  2. 2. PubChem; parent compound verification
  3. 3. Peptides Collective
  4. 4. Peptides Collective
  5. 5. Australian Federal Register of Legislation
  6. 6. World Anti-Doping Agency
  7. 7. Peptides Collective
  8. 8. Peptides Collective
  9. 9. Rudman D et al. Effects of human growth hormone in men over 60 years old. N Engl J Med, 1990.
  10. 10. Liu H et al. Systematic review: the safety and efficacy of growth hormone in the healthy elderly. Ann Intern Med, 2007.
  11. 11. Liu H et al. Systematic review: the effects of growth hormone on athletic performance. Ann Intern Med, 2008.
  12. 12. Molitch ME et al. Evaluation and treatment of adult growth hormone deficiency: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab, 2011.
  13. 13. Peptides Collective