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GLP Research Peptide

Retatrutide(GLP-3)

Name: Retatrutide (GLP-3)
Brand: Peptides Optimized
SKU: glp-3
Availability: InStock

RetatrutideLY3437943triple-G receptor tri-agonist

Retatrutide (GLP-3) is a 39-amino-acid synthetic peptide incorporating non-coded aminoisobutyric acid and α-methyl-leucine residues plus a fatty-diacid–modified lysine. Supplied lyophilized for laboratory research and third-party tested to 99%+ HPLC purity — for research use only, not for human or veterinary use.

Supplied lyophilized — requires BAC water

99%+ HPLC purityThird-party testedEndotoxin testedShips from USA

Size

View Certificate of Analysis

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Lab Verified

Certificate of Analysis

Review the published certificate for each listed strength, including its batch number and reported purity, potency, identity, heavy metals, sterility and endotoxin results.

7verified batches

LatestPass7× Tested

99.35%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-J14
Labeled: 5 mg
Actual: 5.12 mg
Tested: Aug 11, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.35%

Net Peptide · USP <621>5.12 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.05 EU/vial

View full COA

Genesis Biolabs · COA #6259574 · verify

Pass7× Tested

99.32%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-260810
Labeled: 5 mg
Actual: 5.12 mg
Tested: Aug 3, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.32%

Net Peptide · USP <621>5.12 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.07 EU/vial

View full COA

Genesis Biolabs · COA #1522702 · verify

Pass7× Tested

99.5%

Purity

Passed full QC panel

Variant: GLP-3 (Retatrutide) 5 mg
Batch #: RT5-260510
Labeled: 5 mg
Actual: 5.0 mg
Tested: May 10, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.5%

Net Peptide · USP <621>5.0 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.08 EU/vial

View full COA

Genesis Biolabs · COA #1553043 · verify

Pass7× Tested

99.8%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-260502
Labeled: 5 mg
Actual: 5 mg
Tested: May 2, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.8%

Net Peptide · USP <621>5 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.10 EU/vial

View full COA

Genesis Biolabs · COA #1533712 · verify

Pass7× Tested

99.1%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-260410
Labeled: 5 mg
Actual: 5.1 mg
Tested: Apr 10, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.1%

Net Peptide · USP <621>5.1 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.08 EU/vial

View full COA

Genesis Biolabs · COA #1544501 · verify

Pass7× Tested

99.7%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-260903
Labeled: 5 mg
Actual: 5 mg
Tested: Mar 9, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.7%

Net Peptide · USP <621>5 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.06 EU/vial

View full COA

Genesis Biolabs · COA #1537379 · verify

Pass7× Tested

99.6%

Purity

Passed full QC panel

Variant: Retatrutide 5 mg
Batch #: RT5-260201
Labeled: 5 mg
Actual: 5 mg
Tested: Feb 1, 2026

Full QC Panel7× tested

Purity · HPLC · USP <621>99.6%

Net Peptide · USP <621>5 mg

Identity · LC-MSRetatrutide

FTIR · USP <197A>Conforms

Heavy Metals · ICP-MS <233>Not Detected

Sterility · USP <71>No Growth

Endotoxin · USP <85>0.09 EU/vial

View full COA

Genesis Biolabs · COA #1509366 · verify

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Compound Information

Technical specifications

Molecular Profile

What is Retatrutide (GLP-3)?

Type: Synthetic peptide
CAS Number: 2381089-83-2
Molecular Weight: 4731.33 g/mol
Amino Acids: 39
Sequence: 39 residues (Aib; α-Me-Leu; C18-diacid–γGlu–AEEA linker)
Formula

Important Research Notice

This product is for research and laboratory use only. It is not approved for human or veterinary therapeutic use.
Storage, handling, and disposal must comply with applicable local, state, and federal regulations.
Researchers are responsible for verifying intended use and ensuring compliance with their institutional protocols.

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Retatrutide(GLP-3)

Certificate of Analysis

Frequently Researched Together

Compound Information

What is Retatrutide (GLP-3)?

Important Research Notice

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Stability Information

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