Amino Fuel LabsAMINO FUEL LABS
Retatrutide research peptide vial — lyophilized powder, third-party HPLC tested with lot-matched Certificate of Analysis
Triple Incretin Agonist

Buy Retatrutide 10mg, 30mg, 50mg

Retatrutide is a triple incretin agonist supplied by Amino Fuel Labs for controlled laboratory research involving body-weight regulation research, diabetes studies, NAFLD research. It is available as 10mg, 30mg, 50mg in lyophilized powder. Each lot is released against third-party reversed-phase HPLC testing reporting 99.52% purity, with the batch-specific Certificate of Analysis linked on this page. For laboratory research only; not for human or veterinary use.

$130.00In stock
  • 99.52% purity (reversed-phase HPLC)
  • Third-party lab tested with batch-matched COA
  • Same-day US dispatch before 2:00 PM ET · free over $300
  • Secure checkout
Select strength
View COA

Research Use Only. This product is intended strictly for laboratory research purposes. It is not intended for human or veterinary use, consumption, diagnosis, treatment, prevention or clinical application.

Third-party tested
COA documentation
Fast U.S. processing
Secure checkout

Retatrutide sizes, pricing and cost per mg

SizePriceCost per mgAvailability
10mg$130.00$13.00 / mgIn stock
30mg$300.00$10.00 / mgIn stock
50mg$400.00$8.00 / mgIn stock
  • 99.52% purity reported by reversed-phase HPLC.
  • Lot-matched Certificate of Analysis: view the Retatrutide COA.
  • Same-day USA dispatch on orders placed before 2:00 PM ET.
  • Free shipping on orders over $300.

For laboratory research use only. Not for human or veterinary use.

Retatrutide COA and lot verification

Each Retatrutide lot ships with a third-party Certificate of Analysis that lists the lot identifier, the reversed-phase HPLC purity result and the mass-spectrometry identity confirmation for that batch. Match the lot number printed on the vial to the lot on the COA before the material is used in any in-vitro protocol; if the two do not match, contact us for the correct document.

Related research reading

What is Retatrutide?

Retatrutide is catalogued by Amino Fuel Labs as a triple incretin agonist and is supplied as lyophilized powder (10mg) for controlled laboratory work. Reported identity data for this compound include molecular formula C₂₂₁H₃₄₂N₄₆O₆₈, molecular weight 4731.33 g/mol, sequence Y-Aib-QGTFTSDYSI-αMeLeu-LDK-Lys(AEEA-γGlu-C20 diacid)-AQ-Aib-AFIEYLLEGGPSSGAPPPS-NH₂. Published laboratory interest centres on body-weight regulation research, diabetes studies, NAFLD research, studied in in-vitro systems and preclinical models rather than in people. Material is released lot by lot: each batch is assayed by an independent laboratory using reversed-phase HPLC for purity and mass spectrometry for identity, and the resulting Certificate of Analysis is matched to the lot number printed on the vial you receive. Vials are stored at -80°c (long-term); -20°c (short-term); sealed, away from moisture and light, under nitrogen and are shipped from our United States facility with the accompanying lot documentation. Amino Fuel Labs publishes no administration protocol for Retatrutide; it is distributed strictly for laboratory research.

How Retatrutide works

Retatrutide is a single 39-amino-acid synthetic peptide engineered to activate three metabolic receptors at once: GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and the glucagon receptor. GLP-1 receptor signaling is studied for its role in gastric-emptying and metabolic pathway research. GIP activation amplifies insulin secretion and modulates lipid storage. Glucagon receptor signaling is examined in lipolysis and energy-expenditure pathway work, an arm that dual-receptor compounds such as Tirzepatide do not engage. Combining all three signals in one peptide is why Retatrutide is a frequent reference compound in preclinical metabolic pathway research within a laboratory research context.

Why researchers buy Retatrutide from Amino Fuel Labs

  • Independently HPLC-verified purity reported on the Certificate of Analysis for each lot supplied.
  • Mass-spectrometry identity confirmation included on every Certificate of Analysis.
  • Same-day dispatch on orders placed before 2:00 PM ET, shipped exclusively from our USA facility.
  • Free shipping on every order over $300, with insulated cold-pack packaging by default.
  • Three research-friendly sizes — 10 mg ($130), 30 mg ($300) and 50 mg ($400) — so you can scale up without re-ordering.

Retatrutide technical specifications

Classification

Triple Incretin Agonist

Research area

Triple Incretin Agonist

CAS number

2381089-83-2

Synonyms

LY3437943 · GGG tri-agonist

Molecular formula

C₂₂₁H₃₄₂N₄₆O₆₈

Molecular weight

4731.33 g/mol

Amino acid count

39 residues

Sequence

Y-Aib-QGTFTSDYSI-αMeLeu-LDK-Lys(AEEA-γGlu-C20 diacid)-AQ-Aib-AFIEYLLEGGPSSGAPPPS-NH₂

Physical form

Lyophilized Powder (10mg)

Purity

99.52%

Solubility

Soluble in bacteriostatic water; consult the lot-matched COA for solvent recommendations.

Storage

-80°C (long-term); -20°C (short-term); sealed, away from moisture and light, under nitrogen

Package contents

1 × Lyophilized Powder (10mg) of Retatrutide, batch-matched Certificate of Analysis, and handling documentation.

Documented research applications

  • body-weight regulation Research
  • Diabetes Studies
  • NAFLD Research
  • Metabolic Syndrome
  • Obesity Research

Retatrutide lab testing

HPLC purity result

99.52%

Lot / batch

AFL-RETA10-2026-001

Test date

2026-04-04

Testing method

Reversed-phase HPLC with mass-spectrometry identity confirmation

Every lot of Retatrutide we list is supplied with a lot-matched Certificate of Analysis. Identity is confirmed by mass spectrometry and purity is measured by reversed-phase HPLC, with both results reported for the specific lot printed on the vial label. The certificate travels with the order, so the documentation can be reconciled against the material on receipt. Purity is a lot-specific value: read the figure on the certificate that matches your vial rather than treating it as a fixed product attribute. Supplied for laboratory research use only.

Retatrutide shipping and support

Orders placed before 2:00 PM ET ship the same business day from our USA facility. Standard delivery lands in 2–4 business days; expedited and priority options are available at checkout. Every order over $300 ships free, and we use insulated packaging with a cold pack for temperature-sensitive compounds. If anything arrives damaged or off-spec we replace it — no restocking fees, no upsell. Customer support is human-staffed and replies to research and order emails in under one hour during business days.

Retatrutide customer reviews

4.96 out of 5 from 130 approved customer reviews.

David
5 / 5 · Retatrutide
This is the cleanest Retatrutide I have found, period. The 10mg vials are convenient and everything has been consistent across my orders. Worth the money.
Marcus
5 / 5 · Retatrutide 10mg
Started at 1mg weekly and worked up slowly from there. Appetite noise basically disappeared by week two and my energy stayed steady, no afternoon crash. Mixed clean with 1mL bac water and dosing on the insulin syringe was simple to track.
Priya
5 / 5 · Retatrutide 30mg
Three months in now and holding at 4mg weekly, which is working amazing for me. Titrated up slow from 1mg and never felt rough doing it. The 30mg vial lasts a while and mixing has been consistent every time. Reordering is quick and it shows up fast.
Talia
5 / 5 · Retatrutide 10mg
On my third Retatrutide order and honestly it just works. Down 25lbs in 3 months, appetite is quiet, energy is steady. Order got stuck in a Memphis hub for two days and someone from their team emailed me the tracking update before I even thought to check. Little things like that keep me coming back.
Dr. Marcus, DO
5 / 5 · Retatrutide 10mg
I keep a close eye on what my patients ask about, so I tried this one myself first. Conservative start, clean tolerability, appetite suppression exactly where I expected it. Consistency has been solid across two orders.

Retatrutide FAQ

What is Retatrutide studied for?

Retatrutide appears in laboratory research covering body-weight regulation research, diabetes studies, NAFLD research. Every reference describes in-vitro or preclinical study models, not outcomes in people.

Does Retatrutide include a Certificate of Analysis?

Yes. Each Retatrutide lot ships with a batch-specific third-party Certificate of Analysis reporting 99.52% purity by reversed-phase HPLC with mass-spectrometry identity confirmation. The COA linked on this page matches the lot number printed on the vial.

What form does Retatrutide arrive in and how is it stored?

Retatrutide is supplied as lyophilized powder (10mg) in a sealed vial with its lot documentation. Store at -80°C (long-term); -20°C (short-term); sealed, away from moisture and light, under nitrogen, protect the vial from light and avoid repeated freeze–thaw cycles.

Does HPLC purity tell me the net peptide content?

No. HPLC area-percent purity and net peptide content are different measurements. Review the report for each value rather than treating them as interchangeable. Read about peptide purity versus net content.

Is Retatrutide a peptide?

Yes. Retatrutide (LY3437943) is a single 39-amino-acid synthetic peptide studied as a triple agonist of the GLP-1, GIP, and glucagon receptors. It is supplied as a lyophilized research material for laboratory use only.

What purity is your Retatrutide?

Every batch is HPLC-verified by an independent third-party laboratory, with mass-spectrometry identity confirmation. The full COA is published at /coa/12 and is delivered with each order.

How much does Retatrutide cost?

Retatrutide is listed in these sizes: 10mg at $130.00 per vial ($13.00 per mg); 30mg at $300.00 per vial ($10.00 per mg); 50mg at $400.00 per vial ($8.00 per mg). Check the strength selector for availability and the linked Certificate of Analysis for the selected material. Shipping is shown at checkout.

Where can I buy Retatrutide in the USA?

Amino Fuel Labs ships Retatrutide from a USA fulfillment center with same-day dispatch before 2:00 PM ET and 2–4 business day standard delivery — no overseas relay and no customs hold.

How do I verify a Retatrutide vendor before buying?

Check four things: the COA is dated within the last 12 months and names the exact lot on your vial, the report is issued by an independent third-party laboratory rather than the vendor, mass-spectrometry identity confirmation accompanies the HPLC purity figure, and the shipping origin is domestic so material is not sitting in customs. Our COAs at /lab-reports show all four before you place an order.

Is Retatrutide 10mg or 30mg the better value?

Retatrutide 10mg is $130.00 per vial ($13.00 per mg), and 30mg is $300.00 per vial ($10.00 per mg). Compare all listed strengths in the pricing table above; availability and shipping are shown before checkout.

What is Retatrutide (LY3437943)?

Retatrutide, also referenced by its development code LY3437943, is a 39-amino-acid synthetic peptide studied in vitro as a triple agonist at the GLP-1, GIP and glucagon receptors. Amino Fuel Labs supplies it as a lyophilized powder in 10 mg, 30 mg and 50 mg vials with a lot-matched Certificate of Analysis, strictly for laboratory research use.

How does Retatrutide work in research models?

Published in-vitro work describes Retatrutide binding three receptors at once. GLP-1 receptor signaling is studied in gastric-emptying and insulin-response pathways, GIP signaling in insulin secretion and lipid handling, and glucagon-receptor signaling in lipolysis and energy-expenditure pathways. The glucagon arm is what separates it from dual agonists such as Tirzepatide in receptor-pharmacology studies.

How much bacteriostatic water is used for a 10mg Retatrutide vial?

For laboratory handling reference only: adding 2 mL of bacteriostatic water to a 10 mg vial gives a 5 mg/mL working solution, and 1 mL gives 10 mg/mL. Add the diluent slowly down the vial wall and swirl — never shake or vortex. Full volume-per-mg tables are published at /peptide-info.

Is Retatrutide FDA approved?

No. Retatrutide is an investigational compound that has not been approved by the FDA for any use. Material sold by Amino Fuel Labs is supplied strictly for in-vitro and laboratory research and is not for human, therapeutic, diagnostic or veterinary use.

Is Retatrutide a GLP-1, or is it a "GLP-3" peptide?

Retatrutide does act at the GLP-1 receptor, but it is not a GLP-1-only compound. It is documented as a triple GLP-1 / GIP / glucagon receptor agonist. The informal label "GLP-3" circulating online is not an established receptor class — there is no glucagon-like peptide-3 receptor; the term is shorthand some writers use for the three-receptor mechanism.

How should Retatrutide be stored before and after reconstitution?

Unreconstituted lyophilized vials are stored at −20 °C and protected from light. Once reconstituted with bacteriostatic water, material is refrigerated at 2–8 °C and typically used within roughly 4–6 weeks in research settings. Vials ship in insulated packaging with a cold pack by default.

What purity is your Retatrutide, and where is the COA?

Each lot is supplied with a lot-matched Certificate of Analysis reporting reversed-phase HPLC purity alongside mass-spectrometry identity confirmation. Read the figure printed for the lot on your vial rather than treating purity as a fixed product attribute — the current published report is at /coa/12, and all reports are listed at /lab-reports.

Why is Retatrutide called a triple agonist in the literature?

Retatrutide is studied as a single molecule that engages three receptors — GLP-1, GIP (glucose-dependent insulinotropic polypeptide) and glucagon. That triple-receptor profile is what distinguishes it from dual-agonist compounds such as tirzepatide in published research.

Research Use Only. This product is intended strictly for laboratory research purposes. It is not intended for human or veterinary use, consumption, diagnosis, treatment, prevention or clinical application.

Related research products

Order Retatrutide

Retatrutide · $130.00

Select strength

Research Use Only. This product is intended strictly for laboratory research purposes. It is not intended for human or veterinary use, consumption, diagnosis, treatment, prevention or clinical application.

Research Use Only. This product is intended strictly for laboratory research purposes. It is not intended for human or veterinary use, consumption, diagnosis, treatment, prevention or clinical application. Read the full disclaimer.