Fact-Checked·Verified against peer-reviewed sources · Last updated Oct 23, 2026·For research use only - not for human consumption
Metabolic / WeightEmerging Research

Retatrutide

Also known as: LY3437943 · ly3437943 · triple G agonist · GIP/GLP-1/glucagon agonist · GLP-1/GIP/glucagon triple agonist

For in-vitro (laboratory) research purposes only. Not for human or animal consumption.

Available Forms

InjectableOral

Research Applications

Fat LossHormonal Balance

Check independent lab results, free

Finnrick Analytics publishes independent lab test results for peptide products from named vendors, and anyone can check the published results for free.

For in-vitro research use only. Not for human consumption.

1What Is Retatrutide?

Triple GIP/GLP-1/glucagon receptor co-agonist in clinical trials for obesity and metabolic disease.

4Published Research - Plain English Summaries

The studies below have been published in peer-reviewed journals. Summaries are written in plain language - no jargon. Citations are provided as text only.

other

Grunstein RR, Somers VK, Azarbarzin A, Malhotra A, Sands SA, Lucey BP, Allen SE, Giblin K, Falcon BL, Park SY, Lou J, Krueger K · 2026 · The New England journal of medicine · PMID 42904878

human study

Pearson MJ, Willency JA, Lin Y, Abadi A, Hartman ML, Coskun T, Ruotolo G, Duffin KL, Haupt A, Newgard CB, Pirro V · 2026 · The Journal of clinical endocrinology and metabolism · PMID 42135195

animal study

Keskin U, Altın E, Özatik FY, Sezgin AK, Gündoğdu AÇ, Arı NS, Kara MK · 2026 · Journal of molecular histology · PMID 42878930

other

Carneiro GRA, da Costa Nunes IK, Dos Santos Cardoso GR, Dos Santos PF, Padilha MC, Nogueira FCS, Pereira HMG · 2026 · Rapid communications in mass spectrometry : RCM · PMID 42745421

human study

Bajaj HS, Welch M, Shah P, Luna E, Jaouimaa FZ, Liu B, Liu R, Chen Y, Patel H, Bartee A · 2026 · Lancet (London, England) · PMID 42250575

review

Smarkusz-Zarzecka J, Radziszewska M, Gofron KK, Ostrowska L · 2026 · Reviews in endocrine & metabolic disorders · PMID 42907720

human study

Ruotolo G, Harris C, Lin Y, Wilson JM, Pirro V, Duffin KL, Thomas MK, Hartman ML, Neill CO, Coskun T, Milicevic Z, Haupt A · 2026 · Diabetes, obesity & metabolism · PMID 42608321

review

Chen Z, Zhou Y, Li G, Muthanna A, d'Arqom A, Tham CL, Ho YC, Lee MT · 2026 · Journal of diabetes and metabolic disorders · PMID 42871568

review

Bassatne A, Rizo I · 2026 · The Journal of clinical endocrinology and metabolism · PMID 42444567

review

Chalhoub X, Ng ZY · 2026 · Aesthetic surgery journal · PMID 42219269

Buy Retatrutide - Verified Vendors(14 vendors)

The vendors below are affiliate partners of Peptide Stores Online. Each listing links to the vendor's own website, where ordering, payment, and delivery are handled by the vendor.
Sera Peptides4 listings

SP-3RT 5mg

SP-3RT 10mg

SP-3RT 20mg

SP-3RT 30mg

Ares Research8 listings

Retatrutide (GLP-3RT) 5 mg

Retatrutide (GLP-3RT) 10 mg

Retatrutide (GLP-3RT) 15 mg

Retatrutide (GLP-3RT) 20 mg

Retatrutide (GLP-3RT) 30 mg

Retatrutide (GLP-3RT) 40 mg

Retatrutide (GLP-3RT) 50 mg

Retatrutide (GLP-3RT) 60 mg

Peptide.Express6 listings

Retatrutide 5mg

Retatrutide 10mg

Retatrutide 15mg

Retatrutide 20mg

Retatrutide 30mg

Retatrutide 60mg

Alera Research2 listings

GLP-3R 10mg

GLP-3R 20mg

Peptide Maxxing5 listings

RT SERIES 10MG

RT + CAG

RT SERIES 20MG

RT SERIES 30MG

RT SERIES 60MG

Healio Peptides3 listings

Retatrutide 10mg

Retatrutide 20mg

Retatrutide 30mg

Sparta Labs1 listing

GLP-3 (RT) 10mg

LabFirst Peptides8 listings

Retatrutide 5mg

Retatrutide 10mg

Retatrutide 15mg

Retatrutide 20mg

Retatrutide 30mg

Retatrutide 40mg

Retatrutide 50mg

Retatrutide 60mg

Simms Research4 listings

Retatrutide (GLP-3) 10mg · 10mg

Retatrutide (GLP-3) 20mg · 20mg

Retatrutide (GLP-3) 30mg · 30mg

Retatrutide (GLP-3) 60mg · 60mg

True Peptides4 listings

Retatrutide 10mg

Retatrutide 20mg

Retatrutide 30mg

Retatrutide 40mg

DelixLabs5 listings

GLP-RT 10mg

GLP-RT 20mg

GLP-RT 10mg x 2 (save $15)

GLP-RT 30mg

GLP-RT 60mg

Amino Labs3 listings

RT3 10mg

RT3 30mg

RT3 3-pack

V8 Peptides2 listings

Retatrutide 10 mg

Retatrutide 20 mg

Peptuvia2 listings

Retatrutide + Tirzepatide · Retatrutide 10mg + Tirzepatide 20mg × 10 vials

Retatrutide + Eloralintide · Retatrutide 10mg + Eloralintide 2.5mg × 10 vials

All content on this page is for in-vitro research purposes only. Not intended for human or animal use. Consult a licensed professional before handling research chemicals. No content on this page constitutes medical advice or a treatment recommendation.

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All products listed on Peptide Stores Online are for in-vitro laboratory and educational research purposes only. Not for human or animal consumption. Not evaluated by the Food and Drug Administration. Not intended to diagnose, treat, cure, or prevent any disease or condition. All sellers and buyers agree to full research-use-only terms at account creation. Peptide Stores Online assumes no liability for misuse of any product listed on this platform.