Retatrutide is a powerful triple agonist peptide that targets GLP-1, GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors—making it the most comprehensive metabolic peptide in its class. It builds on the progress of earlier compounds like Semaglutide and Tirzepatide by activating three key hormonal pathways involved in appetite regulation, glucose control, and fat metabolism.
This enhanced activity leads to faster, more dramatic fat loss while offering additional therapeutic effects across multiple body systems.
Molecular Formula: C221H342N46O68
Molecular Weight: 4731 g/mol
Purity: 99%
For research purposes only. This product is supplied exclusively for scientific laboratory research and analytical purposes. It is not intended for human or animal use, and must not be misused in any way that contravenes MHRA regulations or applicable laws.
Retatrutide is a powerful triple agonist peptide that targets GLP-1, GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors—making it the most comprehensive metabolic peptide in its class. It builds on the progress of earlier compounds like Semaglutide and Tirzepatide by activating three key hormonal pathways involved in appetite regulation, glucose control, and fat metabolism.
This enhanced activity leads to faster, more dramatic fat loss while offering additional therapeutic effects across multiple body systems.
Glucagon Receptor Agonism: Stimulates energy expenditure and promotes fat breakdown (lipolysis)
Clinical Effectiveness
Semaglutide (GLP-1 only): 17% average body weight loss after 68 weeks
Tirzepatide (GLP-1 + GIP): 24.7% body weight loss after 72 weeks
Retatrutide (GLP-1 + GIP + Glucagon):
17.5% average weight loss in just 24 weeks
26.2% average loss in only 48 weeks
This rapid and sustained weight reduction places Retatrutide as the most effective peptide currently being studied for metabolic disorders and fat loss.
Additional Benefits
Anti-inflammatory: May assist with autoimmune conditions such as rheumatoid arthritis and inflammatory bowel disease
Collagen Support: Promotes epithelialization and collagen synthesis, enhancing skin tone and elasticity
Neurological Disorders: Under investigation for Parkinson’s, Alzheimer’s, and other neurodegenerative diseases
Sleep & Addiction: Potential role in treating sleep apnea, substance use disorders, and depression
Possible Side Effects
Common (Mild to Moderate):
Nausea
Vomiting
Headache
Indigestion
Constipation or diarrhea
Abdominal discomfort
Dehydration
Rare but Serious:
Gallbladder issues (e.g., gallstones)
Pancreatitis
Severe allergic reaction
Intestinal blockages
Gastroparesis (delayed stomach emptying)
Dehydration-induced kidney strain (especially in those with existing kidney disease)
Important: Most side effects are dose-dependent and time-dependent. Higher doses over long durations increase risk. These effects can be minimized with proper stacking, hydration, and dosage planning.
Side Effect Management Tips
Avoid fatty or greasy foods
Maintain consistent hydration
Stop eating once full — satiety occurs earlier on GLP-1/GIP peptides
Dose at night
Use fiber supplements to avoid constipation
If the standard dosing protocol causes you too many side effects, it can be amended to allow you to start at less than the typical dose, and to increase gradually in smaller increments rather than following the 2mg increase all at once after 4 weeks. Consult staff for assistance
Contraindications
Do NOT use Retatrutide if…
You are pregnant or nursing
You have chronic kidney disease
You have advanced liver disease
You have severe gastrointestinal disorders, such as Crohn’s or IBD
You or a family member has a history of thyroid cancer
You are allergic or hypersensitive to peptide-based medications
Reconstitution and Dosing Protocols
General Guidelines
Dose once every 7 days, always on the same day of the week.
Remain at each dose for a minimum of 4 weeks; if you are losing at your current dose, you may remain at that dose until you must increase the dose to continue losing weight.
Dose at night if you are experiencing adverse side effects.
Subcutaneous Administration
Determining your starting dose:
-If you have no history on GLP’s, start at 2mg
-If you have been on a GLP for long enough to have increased your dose once, start at 4mg
Stacking Suggestions
Retatrutide can be strategically stacked to overcome plateaus, protect muscle tissue, and accelerate body composition changes:
AOD-9604 – Increases lipolysis and preserves muscle during weight loss
BPC-157 & TB-500 – Enhance healing, especially for soft tissue and joint inflammation common during weight loss
GHKCU – For collagen production, skin tightening, and post-fat loss regeneration
Semax / Selank – To support mental clarity, mood, and prevent brain fog associated with appetite suppression
Glutathione – For detox support and liver optimization
LIPO-C – To enhance energy and fat breakdown when paired with metabolic peptides
More Information
Weight
1.000000
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