{"slug":"testagen","seoKey":"testagen","displayName":"Testagen","codes":["KEDG","AKS-S / АКС-С"],"synonyms":["Lys-Glu-Asp-Gly","KEDG","H-Lys-Glu-Asp-Gly-OH","L-lysyl-L-glutamyl-L-aspartyl-glycine","lysyl-glutamyl-aspartyl-glycine (the NLM MeSH supplementary concept heading)","Testagen / Тестаген (Russian trade name of the food supplement)","AKS-S / АКС-С (the peptide complex declared in the Russian capsules and tablets)"],"legalClass":"research_chemical","identifiers":{"pubchemCid":123863700,"inchikey":"HKEYFJLTNCUNAD-DCAQKATOSA-N","formula":"C17H29N5O9","molecularWeight":447.44,"sequence":"KEDG"},"approvals":[{"market":"US","status":"not_approved","note":"Not approved and not registered as a substance. Four federal queries returned no match on 2026-09-17: no entry in the approvals database, no labelling record for the peptide, no adverse-event record and no entry in the substance registration system, which is why there is no UNII. A control query with an approved active ingredient returned nine labelling records and eighteen labels, so the interfaces were working. The substance has also never been nominated for the compounding bulks list, whose full text was checked line by line; control terms in the same document returned six hits, and the committee's 2026 rounds cover other grey-market peptides but not this one, so this is an absence and not an oversight. One labelling record does surface under the trade name, and it belongs to an unrelated topical testosterone lotion, not to the peptide.","source":"https://api.fda.gov/drug/drugsfda.json?search=openfda.brand_name:%22testagen%22"},{"market":"EU","status":"not_approved","note":"No centralised marketing authorisation, no assessment report, no withdrawn application and no orphan designation. The register itself could not be queried on 2026-09-17: the search page is JavaScript-driven and returned an empty result area rather than a server-rendered list. The negative finding therefore rests on the absence of an INN and of an ATC code, which a completed or running central procedure would have produced, and on the absence of any entry in every other authority database checked.","source":"https://www.ema.europa.eu/en/medicines?search_api_fulltext=testagen"},{"market":"DE","status":"not_approved","note":"Neither a national nor an EU marketing authorisation exists, so the injectable preparation sold in the West is an unlicensed medicinal product and may not be placed on the market. The oral Russian food-supplement form does not become marketable by being imported either: the peptide complex is not documented as a food or food ingredient consumed to a significant degree before 15 May 1997, so the novel food regulation applies and no authorisation for it could be found. The indications advertised by the Russian manufacturer, recovery of male reproductive function after infection and inflammation, support in male infertility and male climacteric complaints, are disease claims for an unlicensed medicine. The substance is also not named in the schedule to the Anti-Doping Act, whose section on peptide hormones, growth factors, related substances and mimetics lists what it covers by name and exhaustively; unlike the Prohibited List it has no open heading for testosterone-stimulating peptides. The full text was checked on 2026-09-17. Sporting rules are unaffected by that.","source":"https://www.gesetze-im-internet.de/antidopg/anlage.html"},{"market":"UK","status":"not_approved","note":"No marketing authorisation known. The product register returned only its loading message on 2026-09-17 without a result list, and because the page never rendered, a control query could not be validated either. This negative finding is therefore not independently robust: it rests on the EU-wide absence of any procedure and on the absence of an INN and an ATC code.","source":"https://products.mhra.gov.uk/search/?search=testagen"},{"market":"AU","status":"not_approved","note":"Not entered in the therapeutic goods register and not named in the Poisons Standard. The register could not be queried on 2026-09-17: one endpoint dropped the connection and the search timed out after sixty seconds, so the absence of a listing by name is not positively verified. The legal consequence does not depend on it. A peptide without a register entry is an unapproved therapeutic good, whose import and supply are restricted, so absence from the schedules is not a clearance but the ordinary position for an unlisted peptide.","source":"https://www.tga.gov.au/resources/artg"},{"market":"CA","status":"not_approved","note":"No marketing authorisation, no drug identification number and no natural product number. Both queries returned empty arrays on 2026-09-17, by brand name and by active ingredient, while a control query for an authorised product returned a complete record with its identification number, so the interface was working.","source":"https://health-products.canada.ca/api/drug/drugproduct/?lang=en&type=json&brandname=testagen"},{"market":"CH","status":"not_approved","note":"No marketing authorisation identified. No direct extract from the register of authorised preparations could be produced on 2026-09-17, so this is a negative finding drawn from the absence of an INN and an ATC code and from the absence of an authorisation in every market that could be checked. The only Swiss record found is a grey-market listing offering 20 mg vials as a research chemical, which is evidence of trade and not of authorisation.","source":"https://www.swissmedic.ch/"}],"devStage":"preclinical","strongestEvidence":"animal","wada":{"status":"prohibited","section":"S0","listYear":2026,"source":"https://www.wada-ama.org/en/prohibited-list"},"trials":[],"sameAs":["https://pubchem.ncbi.nlm.nih.gov/compound/123863700"],"lastVerified":"2026-09-17","version":"1.0","published":true,"locale":"en","title":"Testagen: what the studies show, status and safety","summary":"Testagen is a synthetic chain of four amino acids, Lys-Glu-Asp-Gly, made at a St Petersburg institute and sold as a peptide for the testes. Every reviewed animal study published on it concerns the pituitary gland and the thyroid, and so does the only patent found for it, with the head of the originating group named as a co-inventor. The testis label rests on two review tables and on an unreviewed account by the developers themselves. No registered study in people was found in any database searched, and it is approved as a medicine in none of the markets checked.","updated":"2026-09-17","url":"https://mypep.app/peptides/testagen"}