GMP-Certified, ≥98% HPLC-Verified

Retatrutide

Name: Retatrutide
Brand: Peptide Direct

Wholesale GLP-1 / GIP / Glucagon Triple Agonist. Retatrutide (LY3437943) is a synthetic triple-receptor agonist peptide, engaging GLP-1, GIP, and glucagon receptor pathways. It is one of the most researched next-generation compounds in metabolic and weight management science.

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≥98% HPLC-VerifiedGMP & ISO 9001:2015 certifiedCOA with every batch

GMP · ISO · HACCPUK & Berlin manufacturingThird-party testedManufacturer direct since 2018

Compound specifications

Retatrutide at a glance

Compound Name	Retatrutide (LY3437943)
Classification	GLP-1 / GIP / Glucagon receptor triple agonist
CAS Number	2381089-83-2
Molecular Formula	C221H342N46O68
Molecular Weight	Approximately 4731 g/mol
Sequence	39-amino-acid synthetic peptide derived from a GIP backbone, with non-coded residues (Aib at positions 2 and 20, alpha-methyl-leucine at position 13) and a C20 fatty diacid chain for albumin binding and extended stability
Purity	≥98% (HPLC-verified, batch-by-batch)
Format	Lyophilised peptide powder, multi-dose research vials
Appearance	White to off-white lyophilised powder prior to reconstitution
Solubility	Reconstitute using bacteriostatic water or sterile laboratory-grade water

Ordering

Available Strengths

Retatrutide is available wholesale in the following strengths:

Retatrutide 5mgRetatrutide 10mgRetatrutide 15mgRetatrutide 50mg

All strengths are available for bulk ordering with flexible MOQs. Private label packaging and labelling is available for qualifying buyers — see our Private Label page for details.

Quality & documentation

Quality Assurance

Every batch of Retatrutide supplied by Peptide Direct meets the same standard as our full compound range:

GMP certified manufacturing conditions
ISO 9001:2015 certified quality management
HPLC purity verification to ≥98%, batch-by-batch
Certificate of Analysis supplied with every order

View our full QA standards →

Storage & handling

Storage Information

Store refrigerated at 2–8°C in a cool, dry environment away from direct sunlight. For long-term storage prior to reconstitution, freezing conditions are recommended. Storage conditions are confirmed on the Certificate of Analysis supplied with each order.

Request a wholesale Retatrutide quote

Tell us the strength and quantity you need. We reply within 24 hours with tiered pricing and a current batch COA on request. COAs, pricing and samples available — B2B enquiries only.

Frequently asked questions

What is Retatrutide?

Retatrutide (LY3437943) is a synthetic 39-amino-acid peptide that acts as a triple agonist across GLP-1, GIP, and glucagon receptors. It is widely researched in metabolic, weight management, and wellness science.

What purity does Peptide Direct's Retatrutide meet?

All Retatrutide supplied by Peptide Direct is verified by HPLC analysis to a minimum purity of ≥98% on a batch-by-batch basis, with a Certificate of Analysis supplied on every order.

What strengths are available?

Retatrutide is available wholesale in 5mg, 10mg, 15mg, and 50mg, with flexible minimum order quantities for bulk buyers.

Can I get Retatrutide under my own brand?

Yes. Private label packaging, vials, and labelling are available for qualifying wholesale buyers. See our Private Label page for details.

How should Retatrutide be stored?

Store refrigerated at 2–8°C, away from direct sunlight. For long-term storage, freezing conditions are recommended prior to reconstitution.

Is Retatrutide manufactured under GMP conditions?

Yes. All Retatrutide supplied by Peptide Direct is manufactured under GMP and ISO 9001:2015 certified conditions, the same standard applied across our full compound range.

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For research and laboratory purposes only. Not intended for human consumption, medical use, diagnosis, treatment, cure, or prevention of any disease. Products sold by Peptide Direct are intended exclusively for qualified research professionals and licensed institutions. Buyers are responsible for ensuring compliance with all applicable laws and regulations within their jurisdiction.