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Buy Peptide sciences Retatrutide 30mg

RT – 30mg

| Third-Party Tested | 99% Purity | COA Available | Research Use Only

RT, also known as LY3437943, is an investigational synthetic peptide.

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Buy RT 30 Mg

RT (LY3437943) is an investigational peptide studied by researchers in the labs. It’s designed as a triple receptor agonist, meaning it works on G.L.P-1, G.I.P, and glucagon receptors at the same time. Because of this unique mechanism, researchers are exploring its potential in obesity, type 2 diabetes, and other metabolic conditions like NAFLD and MASH.

 However, it’s important to understand that RT is still in the research phase and isn’t approved for general use or commercial sale. Even if you see listings such as RT 30mg for sale, these are typically positioned for research purposes only.

As of 2026, RT remains in Phase 3 trials under the TRIUMPH program. It has not been approved by major regulatory bodies such as the FDA, EMA, or MHRA. For now, its use is limited strictly to research settings, including laboratory studies, animal models, and approved clinical trials—not for personal, off-label, or veterinary use.

Different Variations of RT at Orion Peptides:

  1. RT 5mg
  2. RT 10mg
  3. RT 15mg
  4. RT 20mg
  5. RT 30mg

RT Mechanism of Action in Research Models

RT acts as a balanced triple agonist. It binds to G.L.P-1, G.I.P, and glucagon receptors. Binding affinity occurs at nanomolar levels.

Reported EC50 values include:

G.I.P receptor: Approximately 0.064 nM G.L.P-1 receptor: Approximately 0.775 nM Glucagon receptor: Approximately 5.79 nM In research models, RT activates several metabolic pathways.
  1. G.L.P-1 receptor activation reduces appetite through central signaling. It slows gastric emptying. It increases glucose-dependent insulin secretion. It also suppresses glucagon during hyperglycemia.
  2. G.I.P receptor activation enhances insulin release. It supports beta-cell function. It influences fat storage and metabolism.
  3. Glucagon receptor activation raises energy expenditure and stimulates glycogen breakdown in the liver. It promotes lipolysis and fat oxidation, and its balanced dosing limits excess glucose elevation.

This combined activity reduces food intake and improves insulin sensitivity. It also increases metabolic rate. Animal and human studies show greater fat loss than lean mass loss. The peptide structure supports sustained receptor activation. This profile differs from single or dual agonists.

RT Peptide Structure and Properties

RT (LY3437943) is a synthetic peptide containing 39 amino acids. It is designed to interact with three receptors: G.L.P-1, G.I.P, and glucagon receptors. Its structure includes amino acid modifications and a fatty acid side chain that influence its stability and receptor activity.

Chemical Properties of RT

Property Correct Information
Compound Name RT
Research Code LY3437943
Molecular Formula C₂₂₁H₃₄₂N₄₆O₆₈
Molecular Weight Approximately 4,731 g/mol
CAS Number 2381089-83-2
PubChem CID 171390338 (Triple G structural record)
Amino Acid Length 39 residues
Peptide Type Synthetic lipidated peptide
Receptor Targets G.L.P-1R, GIPR, and GCGR
Physical Form Lyophilized powder (supplier-dependent)
Research Status Investigational compound
The molecular formula, molecular weight, and CAS number are supported by published chemical records.

What Do the Research Studies Say About RT

RT shows strong results in metabolic research. Data come from preclinical studies and phase 2 trials.

1. Obesity Research About RT

A phase 2 randomized trial published in NEJM included 338 adults. Participants had obesity or overweight with comorbidities. Once-weekly RT produced dose-dependent weight loss. At 48 weeks, the 12 mg dose achieved about 24 percent weight reduction. Placebo groups showed minimal change.

Most participants reached significant milestones. Over 90 percent lost at least 10 percent body weight, and more than 80 percent lost at least 15 percent. Improvements were also noted in waist size, lipid levels, and blood pressure.

2. Type 2 Diabetes Research About RT

HbA1c reductions up to 2.02 percent were in phase 2 trials. Results exceeded those of the placebo and some comparator arms. Participants also experienced substantial weight loss.

3. Liver fat and NAFLD models:

In participants with elevated liver fat, RT reduced hepatic fat by over 80 percent. Most high-dose participants reached normal liver fat levels.

Additional Research Areas Where RT May Benefit

Phase 3 TRIUMPH trials study osteoarthritis, cardiovascular risk, kidney disease, and MASH. Some trials report weight loss of nearly 29 percent at 68 weeks. Pain reduction in knee osteoarthritis is also under evaluation.

Safety data show mostly mild gastrointestinal effects. These include nausea, diarrhea, and vomiting. Events are dose-related and often improve with titration. Serious hypoglycemia and major cardiac events remain rare in trials.

Early data suggest greater efficacy than dual agonists. RT serves as a benchmark compound in triple-hormone research.

How to Store and Handle RT (Research Use)

Store unopened vials at 2 to 8 degrees Celsius. Protect them from light and moisture. Do not freeze the powder.

Reconstitute under sterile conditions. Use bacteriostatic water or approved diluents as required by the protocol. Refrigerate reconstituted solutions.

Use solutions within defined stability windows. Follow trial or institutional guidelines. Always use sterile tools and protective equipment.

Disclaimer

RT is an investigational research compound. Currently, in 2026, it remains in phase 3 clinical trials. It is not approved for prescription or commercial use. Any non-trial compounds labeled as RT may be counterfeit. Such compounds pose serious safety risks. Clinical and preclinical data do not guarantee future approval.

No claims are made regarding safety or efficacy. Use is limited to qualified research settings. IRB or ethics approval is required for human studies. Regulatory restrictions may apply.

Referenced Citations

Research Use Only

This compound is intended for laboratory research use only. It is not intended for human or animal consumption, or for use in diagnostic or therapeutic procedures.

Chemical Properties

Property Value
Molecular Formula C221H342N46O68
Molecular Mass 4731 g/mol
Monoisotopic Mass 4728.4717592 Da
Polar Surface Area 1780 Ų
Complexity 11500
XLogP -6.3
Heavy Atom Count 335
Hydrogen Bond Donor Count 58
Hydrogen Bond Acceptor Count 70
Rotatable Bond Count 159
PubChem CID 171390338
InChI InChI=1S/C221H342N46O68/c1-23-124(11)179(208(322)241-144(83-88-176(291)292)192(306)245-150(105-134-69-75-137(276)76-70-134)196(310)244-148(100-121(5)6)194(308)243-147(99-120(3)4)193(307)240-142(82-87-175(289)290)187(301)230-110-169(282)229-113-173(286)264-92-51-61-161(264)206(320)253-158(116-270)203(317)251-157(115-269)189(303)232-111-170(283)233-128(15)212(326)266-94-53-63-163(266)214(328)267-95-54-64-164(267)213(327)265-93-52-62-162(265)207(321)250-156(114-268)183(226)297)258-200(314)152(103-131-55-41-39-42-56-131)242-185(299)127(14)235-216(331)219(18,19)262-205(319)145(80-85-166(225)279)237-184(298)126(13)234-190(304)140(60-48-50-90-227-172(285)119-335-98-97-334-96-91-228-167(280)86-81-146(215(329)330)236-168(281)65-45-37-35-33-31-29-27-25-26-28-30-32-34-36-38-46-66-174(287)288)238-191(305)141(59-47-49-89-222)239-198(312)154(107-177(293)294)247-195(309)149(101-122(7)8)256-218(333)221(22,109-123(9)10)263-211(325)180(125(12)24-2)259-204(318)160(118-272)252-197(311)151(106-135-71-77-138(277)78-72-135)246-199(313)155(108-178(295)296)248-202(316)159(117-271)254-210(324)182(130(17)274)260-201(315)153(104-132-57-43-40-44-58-132)249-209(323)181(129(16)273)257-171(284)112-231-188(302)143(79-84-165(224)278)255-217(332)220(20,21)261-186(300)139(223)102-133-67-73-136(275)74-68-133/h39-44,55-58,67-78,120-130,139-164,179-182,268-277H,23-38,45-54,59-66,79-119,222-223H2,1-22H3,(H2,224,278)(H2,225,279)(H2,226,297)(H,227,285)(H,228,280)(H,229,282)(H,230,301)(H,231,302)(H,232,303)(H,233,283)(H,234,304)(H,235,331)(H,236,281)(H,237,298)(H,238,305)(H,239,312)(H,240,307)(H,241,322)(H,242,299)(H,243,308)(H,244,310)(H,245,306)(H,246,313)(H,247,309)(H,248,316)(H,249,323)(H,250,321)(H,251,317)(H,252,311)(H,253,320)(H,254,324)(H,255,332)(H,256,333)(H,257,284)(H,258,314)(H,259,318)(H,260,315)(H,261,300)(H,262,319)(H,263,325)(H,287,288)(H,289,290)(H,291,292)(H,293,294)(H,295,296)(H,329,330)/t124-,125-,126-,127-,128-,129+,130+,139-,140-,141-,142-,143-,144-,145-,146-,147-,148-,149-,150-,151-,152-,153-,154-,155-,156-,157-,158-,159-,160-,161-,162-,163-,164-,179?,180?,181-,182-,221+/m0/s1
InChIKey MLOLQJNKXBNWFW-SAGGEDDASA-N
IUPAC Name 20-[[(1S)-4-[2-[2-[2-[[(5S)-5-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[2-[[(2S)-5-amino-2-[[2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]-2-methylpropanoyl]amino]-5-oxopentanoyl]amino]acetyl]amino]-3-hydroxybutanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylpentanoyl]amino]-2,4-dimethylpentanoyl]amino]-4-methylpentanoyl]amino]-3-carboxypropanoyl]amino]hexanoyl]amino]-6-[[(2S)-1-[[(2S)-5-amino-1-[[1-[[(2S)-1-[[(2S)-1-[[(3S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[2-[[2-[(2S)-2-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[(2S)-2-[(2S)-2-[(2S)-2-[[(2S)-1-amino-3-hydroxy-1-oxopropan-2-yl]carbamoyl]pyrrolidine-1-carbonyl]pyrrolidine-1-carbonyl]pyrrolidin-1-yl]-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]carbamoyl]pyrrolidin-1-yl]-2-oxoethyl]amino]-2-oxoethyl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]amino]-2-methyl-1-oxopropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-1-oxopropan-2-yl]amino]-6-oxohexyl]amino]-2-oxoethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-20-oxoicosanoic acid
SMILES CC[C@H](C)C(C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(=O)O)C(=O)NCC(=O)NCC(=O)N2CCC[C@H]2C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](C)C(=O)N3CCC[C@H]3C(=O)N4CCC[C@H]4C(=O)N5CCC[C@H]5C(=O)N[C@@H](CO)C(=O)N)NC(=O)[C@H](CC6=CC=CC=C6)NC(=O)[C@H](C)NC(=O)C(C)(C)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H](C)NC(=O)[C@H](CCCCNC(=O)COCCOCCNC(=O)CC[C@@H](C(=O)O)NC(=O)CCCCCCCCCCCCCCCCCCC(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@](C)(CC(C)C)NC(=O)C([C@@H](C)CC)NC(=O)[C@H](CO)NC(=O)[C@H](CC7=CC=C(C=C7)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC8=CC=CC=C8)NC(=O)[C@H]([C@@H](C)O)NC(=O)CNC(=O)[C@H](CCC(=O)N)NC(=O)C(C)(C)NC(=O)[C@H](CC9=CC=C(C=C9)O)N

Certificate of Analysis

Quality

Every batch of RT – 30mg is tested for purity and identity using industry-standard methods.

HPLC Analysis

High-Performance Liquid Chromatography confirms purity ≥99%. Each batch is analyzed to ensure consistent quality.

Mass Spectrometry (MS)

Identity verification via mass spectrometry confirms correct molecular weight of 4113.58 g/mol.

Third-Party Testing

All compounds undergo independent third-party laboratory testing for quality assurance.

Request COA

Certificate of Analysis documents are available for all compounds. Contact us with your order number to request batch-specific documentation.

COA Lab Tests

Each compound batch is tested by independent laboratories to verify purity, identity, and quality. The Certificate of Analysis (COA) provides transparent lab results, ensuring the compound meets strict research-grade standards.

Storage & Handling

Before Use (Uno⁠pened)

  • Store i‍n refri‌gerator at 2⁠°C‍ to 8°C, equivalent to‍ 36°F t‍o 46‌°F tem⁠perature r‌ange
  • Keep temperature consisten⁠t at a⁠ll‌ times
  • Store i‍n the main refrigerator compartment, avoid storing in the refrigerat⁠or do⁠or
  • ‍Keep in o⁠ri⁠ginal p⁠a⁠c‍k⁠ag‌ing⁠ always

A‌fter Reconst‌itution (Liquid Form)

  • Continu⁠e⁠ refrigerat⁠ing⁠ at 2°‍C to 8°C⁠,  36°F and 46°F consistently
  • Ke‍ep the liquid form refrigerate‍d between dose‍s
  • R‌eturn to refrigerator immediately after use

Storage During Travel‌

  • ‍Keep‌ in original packaging
  • Minimize time outside p‍roper storage
  • Retu⁠rn t⁠o refrigerator promptly upon arrival
  • Plan ahead for ext‍ended trav‌el

A‌fter Reconst‌itution (Liquid Form)

  • Continu⁠e⁠ refrigerat⁠ing⁠ at 2°‍C to 8°C⁠,  36°F and 46°F consistently
  • Ke‍ep the liquid form refrigerate‍d between dose‍s
  • R‌eturn to refrigerator immediately after use

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Storage

Store at -20°C.
Protect from light and moisture.

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Certificate of Analysis

ORP#00066

Client:
Orion Peptides
Sample:
RT 30mg
Batch:
202609RETA30

Tests Requested:
Standard + Endotoxins + Sterility
Appearance:
White Lyophilized Powder in 5mL Vial

Analysis Conducted on:
09/03/2026
Report Issued on:
09/04/2026
Test Method Result Specification  
Identity HPLC-DAD Retatrutide Retatrutide Pass
Purity HPLC-DAD 99.30 >99% by HPLC Pass
Quantity HPLC Analyte Concentration Curve Assay 30.86 30mg Pass
Endotoxins LAL ELISA 0.081 EU/mL ≤ 0.5 EU/mL Pass
Sterility Pour Plate No Growth No Growth Pass