Where to buy HGH Fragment 176-191 (hGH 176-191, somatotropin fragment) in the UK: the sellers with a verifiable COA
The newest verifiable HGH Fragment 176-191 certificate on any UK seller's website is on Xlpeptides (xlpeptides.com), analysed 16 Mar 2026 (task #121803 on Janoshik's site); 1 verified seller holds one covering HGH Fragment 176-191, listed newest first below. Of the 450 active UK sellers we audit, 38 (8%) publish their own verifiable Janoshik certificate of analysis, and this page lists which of them hold one covering HGH Fragment 176-191, newest certificate first. It is a record of paperwork, not a recommendation: The Peptide Watch sells nothing, takes no money from sellers and links to none of them. HGH Fragment 176-191 is the last sixteen amino acids of human growth hormone, the region Monash University researchers identified as carrying its fat-mobilising activity. The stabilised version, AOD-9604, failed its obesity trial in 2007; the plain fragment has never been in a human trial at all. Purity and identity cannot be judged by eye, so an independent certificate you can check is the only real proof of what is in the vial.
The one test that matters for HGH Fragment 176-191
Ignore the marketing. The question is simple: does the seller publish a verifiable Janoshik certificate that names the seller itself as the client? If it does, you can confirm an independent lab tested that batch. If it shows an in-house document, a borrowed certificate, or "COA on request", you cannot. Learn the two-minute check in how to verify a Janoshik COA.
Which UK sellers publish a verifiable COA
Of the 450 active UK research-peptide sellers we audit, only 38 (8%) publish their own verifiable Janoshik certificate. Any of them is where you can actually verify testing, for HGH Fragment 176-191 or any compound. A few: Lab77Peptides · Peptology Labs · Biovanta · Camo Chem · Biohackpeptides · Zenic Labs. See the full independently-tested list, or check a specific shop's certificate with the free COA Checker.
Verified UK vendors with a confirmed HGH Fragment 176-191 Janoshik certificate (1)
- Xlpeptides xlpeptides.com · newest HGH Fragment 176-191 report 16 Mar 2026 · task #121803
Audit findings, not recommendations. Every entry is a report covering HGH Fragment 176-191 that we opened on Janoshik's own site and that names the seller itself as the client; the date is the analysis date printed on the report where we have read it, otherwise the date the laboratory received the sample. The table below is the same ledger in full, so the two always agree. Not exhaustive: a vendor whose HGH Fragment 176-191 report we have not yet read is not listed.
The one verifiable HGH Fragment 176-191 certificate we have read
Each row was opened on Janoshik's own site by a real page load and transcribed. The client column is the name the laboratory printed; a certificate counts as a seller's own only when that name is the seller. The report date is the analysis date printed on the report where we have read it, otherwise the date the laboratory received the sample. The verify link opens the laboratory, never the shop. Audit findings, not recommendations.
| Seller | Task | Client on the report | Report date | Result | Batch | |
|---|---|---|---|---|---|---|
| Xlpeptides | #121803 | XL Peptides | 16 Mar 2026 | Somatotropin (176-191) · 4.96 mg · 99.764% | 240B9 | verify |
What the one HGH Fragment 176-191 certificate shows
We have read one Janoshik report covering HGH Fragment 176-191, published by one UK seller. It was opened on Janoshik's own website and names the seller itself as the client. It is dated 16 Mar 2026.
One report gives a purity figure for HGH Fragment 176-191: 99.764%. A purity figure describes the sample the laboratory received, not every vial from that batch.
Read directly from the newest report: Xlpeptides: task #121803, sample received 16 Mar 2026, 4.96 mg recovered at 99.764%, client XL Peptides.
A certificate is a batch document. The lines that matter are the compound (it must say HGH Fragment 176-191, not only a batch code), the client (the shop, not its supplier) and the analysis date. A new batch is untested until a new report appears.
Questions people ask
Which UK sellers publish a verifiable Janoshik certificate naming HGH Fragment 176-191?
As of 4 October 2026, one: Xlpeptides. It has a report on Janoshik's own website that names the seller as the client and lists HGH Fragment 176-191. That is a statement about paperwork, not a recommendation; The Peptide Watch does not recommend anywhere to buy HGH Fragment 176-191.
How recent is the newest HGH Fragment 176-191 certificate from a UK seller?
The newest we have read is Janoshik task #121803, sample received 16 Mar 2026. It is published by Xlpeptides and names it as the client. A certificate covers one batch, so an old one says little about stock on sale today.
How do I check that a certificate for HGH Fragment 176-191 is genuine?
Four things: an independent laboratory is named; the client field names the seller you are buying from, not a supplier; the compound line says HGH Fragment 176-191; and the report's task number and key open the same report on the laboratory's own website (verify.janoshik.com). A branded PDF with no laboratory name and no verification code fails on the first check, however professional it looks. The free COA Checker on this site runs the checks for you.
Is HGH Fragment 176-191 a licensed medicine in the UK?
Not a licensed medicine anywhere. Sold as a research chemical. Prohibited in sport. Never in a human trial as the plain fragment; the modified version failed phase 2b in 2007. The Peptide Watch does not give legal or medical advice.
Why does The Peptide Watch not say where to buy HGH Fragment 176-191?
Because the site records paperwork, not recommendations. A verifiable certificate proves that a sample of one batch was tested. It does not prove the vial you receive matches it, and it says nothing about whether anyone should use HGH Fragment 176-191. Listing which sellers publish a certificate you can check, and which publish nothing, is as far as the evidence goes.
What the research shows for HGH Fragment 176-191, and what it does not
| Papers on PubMed | 12 |
|---|---|
| Indexed as rat or mouse studies | 2 |
| Indexed as clinical trials | 0 |
| Published since 2020 | 4 |
| Trials registered on ClinicalTrials.gov | 0 |
The unmodified version of a drug that already failed. HGH Fragment 176-191 is the last sixteen amino acids of human growth hormone, the region Frank Ng's group at Monash University identified as carrying the hormone's fat-mobilising activity. The stabilised form, AOD-9604 (residues 177-191 with a tyrosine added), went into Metabolic Pharmaceuticals' obesity programme and failed its phase 2b trial in 2007. The plain fragment was never taken into a human trial at all: PubMed indexes 12 papers mentioning it, none a clinical trial, and ClinicalTrials.gov has no study.
WADA names it. The 2026 Prohibited List bans growth hormone fragments and gives AOD-9604 and hGH 176-191 as its examples, so the compound exists in anti-doping literature mainly as something to detect.
What a certificate can tell you. One report, from XL Peptides in March 2026, recovered 4.96 mg at 99.764% purity on a 5 mg label; the laboratory prints the analyte as somatotropin (176-191).
Who owns HGH Fragment 176-191, and where it stands
| Originator | Frank Ng and colleagues, Monash University, Melbourne, who mapped the lipolytic region of growth hormone in the 1990s. |
|---|---|
| Rights | None. The modified form AOD-9604 belonged to Metabolic Pharmaceuticals, which abandoned it in 2007. |
| Development status | Never in clinical development. Never in a human trial as the plain fragment; the modified version failed phase 2b in 2007. |
| Clinical trials | 0 registered on ClinicalTrials.gov |
| In the UK | Not a licensed medicine anywhere. Sold as a research chemical. Prohibited in sport. |
Counts are from PubMed on 15 September 2026 using the queries recorded in our evidence file; "clinical trial" is PubMed's own publication-type index. This is a description of the published record, not medical advice and not an argument for or against use.
Sources (6)
- The effects of human GH and its lipolytic fragment (AOD9604) on lipid metabolism following chronic treatment in obese mice and beta(3)-AR knock-out mice. (Endocrinology, 2001, PMID 11713213)
- Increase of fat oxidation and weight loss in obese mice caused by chronic treatment with human growth hormone or a modified C-terminal fragment. (Int J Obes Relat Metab Disord, 2001, PMID 11673763)
- Analytical approaches for the detection of emerging therapeutics and non-approved drugs in human doping controls. (J Pharm Biomed Anal, 2014, PMID 24906629)
- A new era of doping? Use of peptide and peptide-analog drugs in recreational and professional sport and bodybuilding: a critical review. (J Sports Med Phys Fitness, 2026, PMID 41880199)
- BioSpace, Metabolic Pharmaceuticals phase 2b trial update
- WADA, 2026 Prohibited List (S2: peptide hormones, growth factors, related substances and mimetics)
The Peptide Watch's position on HGH Fragment 176-191
Not a licensed medicine anywhere. Sold as a research chemical. Prohibited in sport. The Peptide Watch reads the certificates UK sellers publish and does not recommend anywhere to buy HGH Fragment 176-191. Sellers on this page are listed by the date of their newest HGH Fragment 176-191 certificate and by nothing else. If you can verify a seller's testing, you can at least judge its evidence; if you cannot, you are taking the seller's word for what is in the vial. See how UK testing compares across every seller in the market statistics.
An honest note: a verifiable certificate proves a sample of a batch was tested, not that the specific vial you receive matches it, see what this can and can't tell you. The Peptide Watch sells no HGH Fragment 176-191 and links to no shop; this is research-use-only information, not medical or dosing advice.
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