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Tirzepatide Research
GLP1-RC-TZ Laboratory Research Material
Also known as GIP/GLP-1 Dual Agonist, Dual Incretin Agonist, Twincretin
Tirzepatide (LY3298176) is a dual GIP / GLP-1 receptor agonist characterised in published clinical research and approved as a medicine in some jurisdictions under other manufacturers’ brand names.
Tirzepatide is a dual GIP / GLP-1 receptor agonist characterised in published research, with imbalanced agonism favouring GIPR. GLP1-RC-TZ is the New-U catalogue identifier for the analytically verified laboratory research material supplied here.
In short: Tirzepatide is a dual GIP / GLP-1 receptor agonist characterised in published research, with imbalanced agonism favouring GIPR. GLP1-RC-TZ is the New-U catalogue identifier for the analytically verified laboratory research material supplied here.
Inside New-U Research Compounds
GLP1-RC-TZ Research Material
GLP1-RC-TZ is New-U’s catalogue identifier for the laboratory research material offered through this page.
Published Tirzepatide research discussed below relates to external investigational studies and their study materials and protocols.
GLP1-RC-TZ is not offered as a medicine, treatment or therapeutic product and is not intended for human or veterinary use.
Why buy Tirzepatide from New-U Research Compounds
What is Tirzepatide?
GLP1-RC-TZ is a GIPR / GLP-1R dual-agonist research compound, commonly referred to as “Tirz” in research communities.
Published experimental work characterises dual GIPR / GLP-1R agonist activity with imbalanced agonism, plus an albumin-binding structural modification investigated as a contributor to prolonged systemic exposure.
Tirzepatide at a glance
Tirzepatide pricing
All packs are >99% HPLC research-grade material. Free shipping on orders over $350.
Frequently asked questions
Where can I buy Tirzepatide?
Tirzepatide (also known as GIP/GLP-1 Dual Agonist) is available directly from New-U Research Compounds at https://new-u.io/peptide/tirzepatide. Every batch is independently third-party tested by Janoshik Analytics and Freedom Diagnostics to >99% HPLC purity, supplied as lyophilised research-grade material, and shipped direct from source worldwide (approximately 6–14 business days).
How much does Tirzepatide cost?
Tirzepatide starts at $48 for a 1-vial research pack (5mg per vial) at New-U Research Compounds, with 20 pack sizes available. Orders over $350 ship free.
Is New-U Tirzepatide third-party tested?
Yes. Every Tirzepatide batch is verified by independent laboratories (Janoshik Analytics and Freedom Diagnostics) for identity and purity, with a batch-linked Certificate of Analysis confirming >99% purity by HPLC area normalisation.
How fast does Tirzepatide ship, and do you ship internationally?
Tirzepatide ships direct from source, discreetly worldwide with cold-chain handling where required. Delivery is approximately 6–14 business days worldwide. Shipping is free on orders over $350. Card and cryptocurrency payments are accepted.
Is it legal to buy Tirzepatide?
GLP1-RC-TZ is supplied strictly as laboratory research material and is not offered for human or veterinary use. Research use only - all claims made on this site are for testing and research use only. Regulatory requirements vary by product, intended use and jurisdiction. Purchasers are responsible for ensuring that acquisition and use of research material complies with applicable requirements.
What is Tirzepatide used for in research?
Tirzepatide is a dual GIP / GLP-1 receptor agonist characterised in published research, with imbalanced agonism favouring GIPR. GLP1-RC-TZ is the New-U catalogue identifier for the analytically verified laboratory research material supplied here. New-U supplies Tirzepatide as research-grade reference material for laboratory and in-vitro or animal-model investigation only. Mechanism, pharmacokinetics and study context are summarised on the Tirzepatide research profile.
What analytical documentation ships with GLP1-RC-TZ?
Every GLP1-RC-TZ order ships with the batch-linked Certificate of Analysis for the lot supplied: independent laboratory, report number, RP-HPLC purity result, mass-spectrometry identity confirmation and test date. Current batch certificates are published at https://new-u.io/coa/tirzepatide before you order. Batch analysis reports identity and purity for the sample tested. It does not establish sterility, endotoxin or heavy-metal status, pharmaceutical equivalence, or any clinical property.
Does published Tirzepatide clinical research apply to GLP1-RC-TZ?
No. Published clinical findings summarised on this page relate to the investigational materials and protocols used in those external studies. They do not establish the safety, efficacy, intended use or clinical equivalence of New-U GLP1-RC-TZ research material. The two evidence types are kept separate on this page for that reason: batch analysis is New-U's own analytical work on the supplied lot, and the trial data is external work on the investigational or approved material those studies used.
Can I buy Tirzepatide online and how fast does it ship?
Yes. Tirzepatide can be ordered online directly from New-U Research Compounds with card or cryptocurrency, shipped direct from source discreetly worldwide. Delivery is approximately 6–14 business days worldwide. Free shipping applies to orders over $350.
Can I buy Tirzepatide in bulk?
Tirzepatide ships in 10-vial research packs as standard, in 20 pack sizes — the larger mg vials lower the per-mg cost. Multi-pack orders get direct-from-source pricing and free shipping over $350. For wholesale or recurring laboratory-supply volumes, contact New-U Research Compounds at https://new-u.io/contact.
What should I look for when choosing where to buy Tirzepatide?
For research-grade Tirzepatide, verify four things: (1) independent third-party purity testing with a batch-linked Certificate of Analysis - New-U uses Janoshik Analytics and Freedom Diagnostics at >99% HPLC; (2) lyophilised material with documented storage and handling; (3) transparent direct-from-source pricing rather than marketplace markup; and (4) clear research-use-only framing. New-U Research Compounds meets all four at https://new-u.io/peptide/tirzepatide.
What is Tirzepatide in scientific research?
Tirzepatide (LY3298176) is a 39-amino-acid synthetic peptide characterised in receptor-pharmacology studies as a dual GIP / GLP-1 receptor agonist with imbalanced agonism. It is approved as a medicine in some jurisdictions under other manufacturers' brand names; the material supplied here is not that finished pharmaceutical.
What is GLP1-RC-TZ?
GLP1-RC-TZ is New-U's catalogue identifier for the laboratory research material offered through this research profile. It is not a medicine, a treatment, a generic pharmaceutical or a therapeutic product, it is not equivalent to any clinical or commercial product, and it is not offered for human or veterinary use.
Which receptor systems are examined in Tirzepatide research?
Published in-vitro pharmacology characterises two receptors: GIPR, where agonist potency is reported as comparable to native GIP, and GLP-1R, where signalling is reported as biased toward cAMP generation over β-arrestin recruitment. Structural work additionally investigates the C20 fatty-diacid albumin-binding modification and the Aib2/Aib13 substitutions for altered proteolytic stability.
What analytical testing accompanies GLP1-RC-TZ?
Each released GLP1-RC-TZ batch is tested by an independent analytical laboratory for purity by RP-HPLC area normalisation and for identity by mass spectrometry, and the result is published as a batch-linked Certificate of Analysis recording the laboratory, report number, measured purity and test date. Batch analysis reports identity and purity for the sample tested. It does not establish sterility, endotoxin or heavy-metal status, pharmaceutical equivalence, or any clinical property.
Where can I view the current batch COA for GLP1-RC-TZ?
The current batch certificate — laboratory, report number, measured purity and test date — is published at /coa/tirzepatide, together with the testing history for the compound.
What does >99% HPLC purity mean?
It is a purity figure obtained by reversed-phase high-performance liquid chromatography using area normalisation: the target peak accounts for more than 99% of the total integrated peak area in the chromatogram for the tested sample. It is a statement about chemical purity of that sample only, and says nothing about sterility, endotoxin content, pharmaceutical equivalence or any clinical property.
What clinical trials are referenced on this page?
Three external studies of the reference medicine: SURMOUNT-1 (Jastreboff et al., NEJM 2022; PMID 35658024), SURMOUNT-5 (Aronne et al., NEJM 2025; PMID 40353578) and SURPASS-CVOT (NEJM 2025; DOI 10.1056/NEJMoa2505928), alongside the receptor-pharmacology characterisation in JCI Insight (2020). Each reported result on this page is attributed to its study, arm and timepoint.
How is published clinical research distinguished from New-U batch testing?
They are separate bodies of evidence. Published clinical research is external work on the approved finished pharmaceutical, conducted under those studies' own protocols; it establishes nothing about the material supplied here. New-U batch testing is analytical work on the GLP1-RC-TZ lot itself — RP-HPLC purity and mass-spectrometry identity — and it establishes nothing clinical. A certificate of analysis combined with an external clinical paper does not amount to clinical validation of GLP1-RC-TZ.
Is GLP1-RC-TZ the same as an approved branded medicine?
No. Approved branded tirzepatide products are prescription, sterile finished pharmaceuticals manufactured under cGMP by their marketing authorisation holder. GLP1-RC-TZ is unapproved laboratory research material supplied as a lyophilised powder. It is not equivalent to, a generic of, or a substitute for any approved product.
Why is Tirzepatide described as imbalanced in the literature?
Because the two receptor arms are not matched: published pharmacology reports full agonist potency at GIPR comparable to native GIP, but biased signalling at GLP-1R that favours cAMP generation over β-arrestin recruitment. The literature investigates that asymmetry in relation to receptor desensitisation over prolonged exposure.
How does Tirzepatide research differ from Retatrutide and Semaglutide research?
By receptor coverage as characterised in the literature: semaglutide research describes GLP-1R agonism, tirzepatide research describes GIPR/GLP-1R agonism, and retatrutide research investigates GLP-1R/GIPR/GCGR agonism. Only SURMOUNT-5 was designed as a head-to-head comparison (tirzepatide vs semaglutide); results drawn from separate programmes are not head-to-head comparisons.
What form is GLP1-RC-TZ supplied in?
GLP1-RC-TZ is supplied as a lyophilised powder in sealed vials, in sealed 10-vial research packs across the listed strengths, with a batch-linked Certificate of Analysis.
How should laboratory research material be stored?
Store the lyophilised powder in a freezer at −20 °C. If a laboratory protocol requires the material in solution, hold the resulting solution refrigerated at 1–6 °C, protected from light, and avoid repeated freeze–thaw cycles, which can degrade the fatty-acid modification. Storage conditions are laboratory handling information only.
Research references
Independent literature and reference sources for Tirzepatide. Provided for scientific context - New-U Research Compounds supplies research-use-only material.
Looking for receptor pharmacology, pharmacokinetics, registered clinical research and references? See the full Tirzepatide research profile or the Tirzepatide research guide.
Part of the Metabolic & GLP-1 research research area — explore related compounds, guides and sources.
PRECISION. PURITY. PERFORMANCE.
Research peptides at >99% HPLC-verified purity, third-party tested by Janoshik Analytical & Freedom Diagnostics, with Certificates of Analysis published per released batch. Supplied strictly for laboratory research use.
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Research use only - all claims made on this site are for testing and research use only. Purchasers must be 21 years of age or older.
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