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Retatrutide

Weight Loss

$159.99$92.88

Retatrutide

Retatrutide is a next-generation triple agonist peptide that simultaneously activates GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors.


This unique tri-agonist mechanism enhances energy expenditure, improves insulin sensitivity, and promotes powerful fat-burning and metabolic regulation — making Retatrutide one of the most advanced peptides ever developed for weight loss and metabolic optimization.

By boosting metabolic activity and controlling appetite, Retatrutide supports rapid fat reduction, muscle preservation, and overall body recomposition. Research shows exceptional results in both weight management and glycemic control, positioning Retatrutide as a major advancement beyond single or dual-agonist peptides.


Form & Stability

All Peptide Labs peptides are produced with 99%+ purity and lyophilized to preserve potency and stability.

  • Unmixed (Freeze-Dried): Stable for up to 1 year in the refrigerator (2–8 °C / 36–46 °F) and over 5 years in the freezer (−20 °C / −4 °F).

  • After Reconstitution: Store in the refrigerator (2–8 °C / 36–46 °F) and use within 30 days for optimal results.


Research Overview

1. Triple Receptor Activation (GLP-1 / GIP / Glucagon)

Retatrutide activates three critical metabolic pathways at once — GLP-1, GIP, and glucagon — providing synergistic benefits for glucose control, appetite regulation, and energy metabolism.


This triple-agonist profile delivers superior fat-burning and insulin-supportive effects compared to earlier generations of incretin peptides.

2. Weight Loss & Fat Reduction

Clinical research shows Retatrutide produces record-breaking results in weight reduction. In studies, participants lost up to 24 % of total body weight, surpassing all previous peptide therapies.


It works by reducing appetite, increasing fat oxidation, and raising energy expenditure, promoting consistent and sustained fat loss.

3. Metabolic Health & Insulin Sensitivity

Retatrutide significantly improves insulin resistance, lowers fasting glucose levels, and enhances lipid metabolism.
Its triple-action mechanism supports long-term metabolic balance and helps prevent the progression of type 2 diabetes and obesity-related complications.

4. Energy Regulation & Appetite Control

By modulating appetite centers in the brain, Retatrutide helps suppress hunger, stabilize cravings, and maintain balanced energy levels.


Users report enhanced focus, mood, and endurance, as the body adapts to optimized metabolic performance.

5. Cardiovascular & Liver Benefits

Studies indicate Retatrutide may improve lipid profiles, reduce liver fat accumulation, and lower triglyceride levels, supporting overall heart and liver health during fat-loss phases.

6. Body Composition Enhancement

Beyond rapid weight reduction, Retatrutide helps preserve lean muscle mass while promoting visceral fat loss, resulting in superior body composition, strength, and metabolic efficiency.


Molecular Structure

  • Sequence: His-Ala-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Met-Asp-Lys-Thr-Glu-Glu-Gln-Glu-Ala-Ala-Lys-Glu-Phe-Arg-Val-Glu-Ser-Glu-Gln-Glu-Leu-Ala-Gly-Ala-Pro-Leu-Glu-Ala-Ser-Leu-Ser-Gln-Asp-Val-Pro-Gly-Ser-Ser-Asp-Glu-Ala-Thr-Leu-Gly-Val-Gly-Ser-Leu-Val-Glu-Ser

  • Molecular Formula: C₂₉₄H₄₅₁N₇₉O₉₀

  • Molecular Weight: 6936.77 g/mol

  • Form: Lyophilized (freeze-dried) powder for maximum stability

Storage & Stability Instructions 

All Peptide Labs products are manufactured using a lyophilization (freeze-drying) process to ensure maximum stability and purity. This method allows peptides to remain 100% stable for up to 3–4 months during shipping and storage at room temperature.

Once reconstituted (mixed with bacteriostatic water), peptides must be stored in the refrigerator to maintain potency and freshness. After reconstitution, peptides remain stable for up to 30 days when properly refrigerated.

What is Lyophilization?


Lyophilization is a specialized dehydration technique where peptides are frozen and exposed to low pressure, causing water to sublimate directly from solid to vapor. This process leaves behind a stable, crystalline white powder that preserves the integrity of the peptide until it’s mixed with bacteriostatic water.

Short-Term Storage:

  • Store at room temperature if used within a few weeks.

  • Keep peptides cool, dry, and protected from light.

  • For short-term storage (days to weeks), refrigeration at under 4 °C (39 °F) is recommended.

Long-Term Storage:
For longer preservation (several months to years), store peptides in a freezer at −80 °C (−112 °F). This ensures maximum stability and prevents degradation over time. (DO NOT RECONSTITUTE)