Skip to product information
PRG Retatrutide Peptide on a white background
  • PRG Retatrutide Peptide on a white background
  • Retatrutide 20 mg research use only peptide vial
  • Navy blue pre-filled pen on a white background-PeptideRegenesis
Retatrutide – Advanced Research Peptide (20mg)

Retatrutide – Advanced Research Peptide (20mg)

€180,00
Shipping calculated at checkout.

5 reviews

Available Research Formats

Overview:

Retatrutide is a next-generation triple-agonist peptide examined in metabolic and energy regulation research models. It is studied for its interaction with GLP-1, GIP, and glucagon-related signaling pathways, making it a central compound in experimental systems exploring glucose regulation, appetite signaling, and energy balance.

Retatrutide peptide is designed to bind three critical metabolic receptors for enhanced therapeutic effect. Activating GLP‑1R improves insulin secretion and satiety, GIPR enhances insulin response and may promote healthy fat metabolism, while GCGR activation increases energy expenditure. As a next-generation peptide, Retatrutide represents a leap forward in metabolic pharmacotherapy.

Retatrutide is available in both lyophilized vial format for laboratory reconstitution (This format is typically selected for controlled preparation within research environments.) and pre-filled research pen format for immediate experimental handling. (This format allows immediate experimental handling without additional preparation steps.)

For detailed storage and handling guidance, see:

→ Retatrutide in Research: Stability, Storage, and Experimental Optimization

Mechanism Overview in Experimental Models

Retatrutide demonstrates activity across three interconnected receptor systems:

• GLP-1 receptor signaling – studied in glucose and satiety pathway research
• GIP receptor signaling – examined in insulin response models
• Glucagon receptor signaling – explored in energy expenditure and metabolic flexibility research

The combined activation profile supports integrated metabolic pathway analysis rather than isolated receptor studies.

Primary research pairing

In experimental research settings, Retatrutide is frequently examined alongside compounds involved in growth hormone–related signaling pathways.

→ CJC-1295 – Growth hormone signaling research

Alternative hormonal research context

Some experimental models explore Retatrutide in parallel with other compounds involved in growth hormone axis modulation.

→ Ipamorelin – GHRP-related signaling research  
→ Tesamorelin – GH axis modulation research
→ Tesamorelin + Ipamorelin – GH-axis research model

Metabolic and cellular research context

Additional research frameworks examine metabolic efficiency and cellular balance alongside signaling-focused studies.

→ SLU-PP-332 – Exercise-mimetic metabolic research  
→ L-Glutathione – Redox balance and antioxidant research

 

Product Description

  • Synonyms: Retatrutide, LY‑3437943, GLP1‑R

  • Molecular Formula: C₂₂₁H₃₄₂N₄₆O₆₈

  • Molecular Weight: ~4731.33 g/mol

  • CAS Number: 2381089‑83‑2 

  • Total Active Ingredient: 20 mg per vial - ( Vial format: lyophilized powder for enhanced stability.)

  • Shelf Life: 36 months

 

What is Retatrutide? - Read More

Explore how Retatrutide compares to Tirzepatide in current research → Retatrutide vs Tirzepatide.

Proper buffer selection is critical for peptide stability. Learn more in our PBS vs HBS vs bacteriostatic water reconstitution guide.

Related research context

To explore how metabolic signaling pathways intersect with muscle preservation and adaptive regeneration research, see:
→ Muscle Growth & Regeneration: Research Perspectives
Product Usage

In vitro research or further manufacturing use only. Not for human or animal use.
Peptide Storage

All information provided by PRG is for educational and informational purposes only.

Best Practices for Storing Peptides

To maintain the reliability of laboratory results, correct peptide storage is essential. Proper storage conditions help preserve peptide stability for years while protecting against contamination, oxidation, and breakdown. Although certain peptides are more sensitive than others, following these best practices will greatly extend their shelf life and structural integrity.

  • Short-Term Storage (days to months): Keep peptides cool and protected from light. Temperatures below 4 °C (39 °F) are generally suitable. Lyophilized peptides often remain stable at room temperature for several weeks, but refrigeration is still preferred if use is not immediate.
  • Long-Term Storage (months to years): Store peptides at –80 °C (–112 °F) for maximum stability. Avoid frost-free freezers, as defrost cycles can cause damaging temperature fluctuations.
  • Minimize Freeze–Thaw Cycles: Repeated freezing and thawing accelerates degradation. Instead, divide peptides into aliquots before freezing.

Preventing Oxidation & Moisture Damage

Peptides can be compromised by exposure to moisture and air—especially immediately after removal from a freezer.

  • Let the vial warm to room temperature before opening to prevent condensation.
  • Keep containers sealed as much as possible, and if possible, reseal under a dry, inert gas such as nitrogen or argon.
  • Amino acids like cysteine (C), methionine (M), and tryptophan (W) are particularly sensitive to oxidation.


Storing Peptides in Solution

Peptides in solution have a much shorter lifespan compared to lyophilized form and are prone to bacterial degradation.

  • If storage in solution is unavoidable, use sterile buffers at pH 5–6.
  • Prepare single-use aliquots to avoid repeated freeze–thaw cycles.
  • Most peptide solutions are stable for up to 30 days at 4 °C (39 °F), but sensitive sequences should remain frozen when not in use.


Containers for Peptide Storage

Select containers that are clean, intact, chemically resistant, and appropriately sized for the sample.

  • Glass vials: offer clarity, durability, and chemical resistance.
  • Plastic vials: polystyrene (clear but less resistant) or polypropylene (translucent but chemically resistant).
  • Peptides shipped in plastic vials may be transferred to glass for long-term storage if desired.


Regenesis Peptide Storage Quick Tips

  • Keep peptides in a cold, dry, dark environment
  • Avoid repeated freeze–thaw cycles
  • Minimize exposure to air
  • Protect from light
  • Avoid storing in solution long term
  • Aliquot peptides to match experimental needs
Logo for 'Verified Purity' with a shield design, molecular symbol, and text indicating European laboratory standard.

Analytical Transparency

All PRG research materials are analytically tested for purity and identity under EU laboratory standards. Manufacturer Certificates of Analysis (COA) are available upon request. If independent third-party analytical testing confirms results consistent with our published specifications, PRG may reimburse the verified laboratory testing cost upon review.

You may also like