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Tirzepatide

Weight Loss

$124.99$79.88

Tirzepatide

Tirzepatide is a dual-acting peptide that targets both GLP-1 (glucagon-like peptide-1) and GIP (glucose-dependent insulinotropic polypeptide) receptors.


This dual mechanism enhances glucose control, boosts insulin sensitivity, and supports fat metabolism — making Tirzepatide one of the most advanced and effective peptides for weight management and metabolic balance.

By improving insulin response and reducing appetite, Tirzepatide promotes steady fat loss, stable blood sugar levels, and long-term metabolic health. Research also highlights benefits in cardiovascular function, energy regulation, and body composition optimization.


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. Dual GLP-1 & GIP Receptor Activation

Tirzepatide uniquely binds to both GLP-1 and GIP receptors, amplifying the body’s ability to regulate insulin secretion and glucose metabolism.


This dual pathway provides enhanced glycemic control compared to single-agonist peptides, helping the body utilize stored energy more efficiently.

2. Weight Loss & Fat Reduction

Clinical research shows Tirzepatide leads to significant and sustained weight loss by reducing appetite, slowing gastric emptying, and enhancing fat oxidation.


In studies, participants experienced up to 20–22% average body weight reduction, making it one of the most effective metabolic peptides ever developed.

3. Metabolic Health & Insulin Sensitivity

Tirzepatide improves insulin resistance, lowers fasting glucose levels, and optimizes lipid profiles. This helps reduce visceral fat and supports healthier cardiovascular and metabolic function over time.

4. Energy Regulation & Appetite Control

By acting on the brain’s appetite centers, Tirzepatide helps reduce hunger and stabilize cravings, leading to more consistent energy levels throughout the day.
Users often report improved mood, endurance, and metabolic efficiency as the body adapts to enhanced energy balance.

5. Liver & Lipid Balance

Research indicates Tirzepatide may help reduce fat accumulation in the liver, lower triglycerides, and improve cholesterol balance — further supporting overall metabolic health and weight stability.

6. Body Composition Enhancement

Beyond fat loss, Tirzepatide helps preserve lean muscle mass during weight reduction, maintaining strength and metabolism while improving physical composition and endurance.


Molecular Structure

  • Sequence: Tyr-Ala-Asp-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gln-Ala-Ala-Lys-Gln-Gln-Leu-Ala-Gln-Gln-Gln-Gln-Ala-Val-Leu-Glu-Glu-Tyr-Leu-Glu-Gly-Tyr-Leu-Glu-Glu-Gly-Gly-Pro-Pro-Ser-Ala-Pro-Gly-Pro-Asp-Gly-Ser-Phe-Leu-Ser-Asp-Val

  • Molecular Formula: C₂₂₅H₃₆₃N₅₅O₈₀

  • Molecular Weight: 4813.53 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)