Retatrutide – Research Peptide (GLP-1 / GLP-3)

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From $139.00

Buy Retatrutide Peptide (LY3437943) – Research Vials 10–30 mg

BulkGLP supplies Retatrutide (LY3437943) as mannitol-free, lyophilized research vials (10 mg, 15 mg, 20 mg, 30 mg) for qualified laboratories. Each production lot is verified to ≥99% purity by independent third-party HPLC/MS, and a current Certificate of Analysis (COA) is published directly on this product page for batch verification.

Regulatory classification: Supplied for laboratory and scientific research use only. Not approved for human or veterinary use. No clinical, diagnostic, or therapeutic claims are made or implied.

Product Overview

BulkGLP is a U.S.-based Retatrutide supplier focused on research customers. Orders are fulfilled from U.S. inventory with batch documentation available directly on this page. Purchase through this listing provides access to current lots, including single vials and 10-pack options for ongoing studies.


Batch & Supply Format

  • ≥99% purity verified by independent third-party HPLC/MS
  • Mannitol-free (no bulking agents or buffers)
  • Lyophilized peptide format (research vials)
  • Singles and 10-packs available
  • COA transparency: posted on-page for the active lot
  • U.S. domestic fulfillment with appropriate packing

What Is Retatrutide (LY3437943)?

Retatrutide (LY3437943) is a synthetic triple-agonist peptide studied in metabolic and receptor-signaling research models for simultaneous activity at:

  1. GLP-1 receptor — incretin-pathway signaling models
  2. GIP receptor — complementary incretin signaling research
  3. Glucagon receptor — energy-balance and lipid signaling models

Supplied for in-vitro/ex-vivo research by qualified laboratories; not for administration to humans or animals.


Mechanistic Overview

  • GLP-1 axis: receptor-mediated signaling models and glucose dynamics research
  • GIP axis: glucose-dependent signaling pathways and incretin synergy research
  • Glucagon axis: lipid mobilization and energy-expenditure pathway modeling

Research Evidence Snapshot

Published preclinical and Phase 2 literature describes metabolic endpoints associated with triple-agonist peptides compared to single- and dual-agonist incretin approaches. Researchers should review primary sources for protocol design, model selection, and methodological details applicable to their work.


Retatrutide vs GLP2/GLP2T vs GLP1/GLP1S

Feature Retatrutide GLP2/GLP2T GLP1/GLP1S
Agonism Triple: GLP-1, GIP, Glucagon Dual: GLP-1, GIP Single: GLP-1
Research Focus Combined receptor-pathway signaling models Incretin pathway research GLP-1 axis signaling models
Design Notes Includes glucagon-axis activity in research models Well-characterized dual incretin profile Single-pathway incretin agent

Why BulkGLP

  • ≥99% purity: verified by independent third-party HPLC/MS
  • Mannitol-free: no bulking agents or buffers
  • Lot transparency: current COA posted on-page
  • Lot-consistent availability: singles & 10-packs for ongoing studies
  • U.S. fulfillment: domestic inventory and reliable shipping

Format & Handling

  • Form: Lyophilized peptide (research vial)
  • Fill options: 10 mg, 15 mg, 20 mg, 30 mg

Product Specifications

  • Name: Retatrutide
  • Synonyms: LY3437943
  • Purity: ≥99% (independent third-party HPLC/MS)
  • Molecular Formula: C₂₂₁H₃₄₂N₄₆O₆₈
  • Molecular Weight: ~4,731.33 g/mol
  • Additives: None (mannitol-free)
  • Intended use: In-vitro/ex-vivo research only

Storage & Stability

  • Unreconstituted: Store dry and light-protected
  • After reconstitution: 2–8 °C; aliquot to reduce freeze-thaw cycles
  • Shelf life: 4 years

Regulatory & Safety

All products are supplied for laboratory and scientific research. Products are not approved for human or veterinary use. End users are responsible for compliance with institutional requirements and applicable laws. Purchase constitutes acceptance of these terms.


Retatrutide FAQ

What vial sizes are available?
Retatrutide research vials are available in 10 mg, 15 mg, 20 mg, and 30 mg fills.
Is this fulfilled from within the USA?
Yes. Orders are fulfilled from U.S. inventory with appropriate packing for the shipment route.
Do you provide a Certificate of Analysis (COA)?
Yes. A current, batch-specific COA is posted on this product page for verification.
Are 10-packs available for ongoing studies?
Yes. Single vials and 10-pack options are available so labs can match quantities to study design.
Weight 0.1 lbs
Dimensions 2 × 2 × 2 in
Size

5mg, 10mg, 15mg, 20mg, 30mg, 50mg, 5mg – 10 Pack, 10mg – 10 Pack, 15mg – 10 Pack, 20mg – 10 Pack, 30mg – 10 Pack

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Last updated: September 23, 2025

These Terms & Conditions (“Terms”) govern your use of bulkglp.com and your purchase/use of our products and services (the “Services”). By using the Services, you agree to these Terms.

1. Research Use Only

All products are intended strictly for laboratory research by qualified individuals/entities. Products are not for human or veterinary use, ingestion, injection, diagnostic, therapeutic, or household use.

2. Eligibility & Compliance

  • You are at least 18 years old (or older where required) and legally able to enter contracts.
  • You purchase for legitimate research and will comply with applicable laws/regulations.
  • You will follow appropriate lab safety, handling, storage, and disposal protocols.

3. Research-Use Certification

By ordering, you certify you understand hazards/handling, are qualified to use these materials, will not use them for human/animal applications, and will not resell in violation of these Terms or law.

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See our Refund Policy. Due to sterility and chain-of-custody, reconstituted, opened, or punctured vials cannot be returned or refunded.

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Email: support@bulkglp.com
Postal: BulkGLP, Dallas, TX, USA