Retatrutide 20mg + Tirzepatide 40mg - Front - MiPeptidos
GLP-1 / Weight Management

Retatrutide 20mg + Tirzepatide 40mg

CAS: 2023788-19-2

Retatrutide 20mg + Tirzepatide 40mg is a research peptide in the glp-1 / weight management category. Tirzepatide is a dual GIP and GLP-1 receptor agonist that activates both incretin pathways simultaneously. MiPeptidos offers Retatrutide 20mg + Tirzepatide 40mg in 1 sizes with 99.1% verified purity and full analytical documentation.

Starting at
$201.95/vial
In Stock
Ships same day
Request Quote
≥99% Purity
COA Included
Third-Party Tested
Same-Day Shipping
CoA Included
HPLC Verified
GMP Compliant
Third-Party Tested
Same-Day Shipping
Batch Tracked

How Retatrutide 20mg + Tirzepatide 40mg Works

Tirzepatide is a dual GIP and GLP-1 receptor agonist that activates both incretin pathways simultaneously. It stimulates insulin secretion, suppresses glucagon in a glucose-dependent manner, and reduces appetite via central and peripheral signaling. The dual receptor engagement provides synergistic metabolic effects beyond GLP-1 agonism alone, including enhanced lipid metabolism and improved insulin sensitivity.

Research Applications

1
Type 2 diabetes with superior HbA1c reduction
2
Obesity treatment with significant weight loss outcomes
3
Dual incretin receptor pharmacology studies
4
Cardiovascular and metabolic syndrome research
5
Comparison studies with GLP-1-only agonists
View Published Research on PubMed →

Pricing

SizePer Vial10-Pack
60mg (20mg+40mg)
$201.95$1473.95

Prices shown per vial from 10-pack. Volume discounts available for 50+ vials — contact us.

HPLC Purity Analysis

High-Performance Liquid Chromatography
99.1%purity
mAURetention Time (min)0250500750100005101520253099.1%
Method: RP-HPLC C18 ColumnDetection: UV 220nmMobile Phase: Acetonitrile/Water + 0.1% TFA

Certificate of Analysis

MiPeptidos
Retatrutide 20mg + Tirzepatide 40mg
PASSES ALL SPECIFICATIONS
Batch NumberHR-RTTR-2600315
Date of AnalysisFebruary 21, 2026
Purity (HPLC)99.1%
AppearanceWhite to off-white lyophilized powder
SolubilityFreely soluble in sterile water and bacteriostatic water
Molecular Weight (MS)4813.45 Da — Confirmed
Endotoxin (LAL)<0.1 EU/mg
Sterility (USP <71>)Passes USP <71>

This COA is a representative sample. A batch-specific Certificate of Analysis with full HPLC chromatograms and mass spectrometry data is included with every MiPeptidos order.

Reconstitution Calculator

Add this much bacteriostatic water:
—
Select a different concentration for a practical volume

Inject bacteriostatic water slowly along the vial wall. Gently swirl until dissolved — never shake. Store reconstituted solution at 2-8°C and use within 30 days.

Download Product Brochure

Get our detailed Retatrutide 20mg + Tirzepatide 40mg product brochure with specifications, research applications, HPLC analysis data, and reconstitution guide. Available in English and Spanish.

Customer Reviews

5.0/5from 1 review
Verified
Thomas Liu, PhD·Toronto, ON

Brilliant idea combining retatrutide and tirzepatide in one research vial. We used this for our comparative incretin pathway study and both peptides tested at stated purity. Saves procurement hassle and the price point f...

Jan 15, 2026
View All Reviews →

Frequently Asked Questions

Retatrutide 20mg + Tirzepatide 40mg (CAS: 2023788-19-2) is a research compound, with a molecular weight of 4813.45 Da in the GLP-1 / Weight Management category. Tirzepatide is a dual GIP and GLP-1 receptor agonist that activates both incretin pathways simultaneously. It stimulates insulin secretion, suppresses glucagon in a glucose-dependent manner, and reduces appetite via central and peripheral signaling. Researchers commonly investigate Retatrutide 20mg + Tirzepatide 40mg for Type 2 diabetes with superior HbA1c reduction, Obesity treatment with significant weight loss outcomes, Dual incretin receptor pharmacology studies. Every vial from MiPeptidos includes batch-specific analytical documentation.
To reconstitute your Retatrutide 20mg + Tirzepatide 40mg 60mg (20mg+40mg) vial, let it reach room temperature for about 15-20 minutes out of the freezer. Slowly inject 6-8mL of bacteriostatic water along the inside wall of the vial — never aim directly at the peptide cake. Gently swirl until the powder fully dissolves; never shake, as this can denature the peptide. Store reconstituted Retatrutide 20mg + Tirzepatide 40mg at 2-8°C and use within 30 days. MiPeptidos includes bacteriostatic water for purchase alongside all peptides.
This combo vial pairs Retatrutide (a triple GLP-1/GIP/glucagon agonist) with Tirzepatide (a dual GLP-1/GIP agonist) for researchers studying multi-receptor incretin synergy. Using them together provides activation across all three metabolic receptor systems with overlapping GLP-1/GIP engagement plus the added glucagon thermogenesis from Retatrutide. This is a specialized research blend — MiPeptidos also sells each compound separately for dose-optimization studies.
Store lyophilized Retatrutide 20mg + Tirzepatide 40mg at -20°C for maximum long-term stability — properly stored, it remains potent for 24+ months. Once reconstituted with bacteriostatic water, keep it refrigerated at 2-8°C and use within 30 days. In research applications, Retatrutide 20mg + Tirzepatide 40mg has a reported half-life of ~5 days (once-weekly dosing), which informs dosing frequency and protocol design. Avoid repeated freeze-thaw cycles and protect from direct light. MiPeptidos ships every order with cold-chain packaging to maintain integrity during transit.
Every Retatrutide 20mg + Tirzepatide 40mg order from MiPeptidos includes a batch-specific Certificate of Analysis. Our current batch (HR-RTTR-2600315, tested February 21, 2026) shows 99.1% purity by HPLC, mass spectrometry confirmation at 4813.45 Da, endotoxin levels below 0.1 EU/mg, and passing sterility per USP <71>. This level of documentation ensures you can verify compound identity and purity before beginning your research. MiPeptidos also offers bulk pricing on orders of 50+ vials — contact info@mipeptidos.com.

Specifications

Purity
≥99%
Form
Lyophilized Powder
CAS Number
2023788-19-2
Mol. Weight
4813.45 Da
Formula
C225H348N48O68
Half-Life
~5 days (once-weekly dosing)
Storage
Store at -20°C. Reconstituted: 2–8°C for up to 30 days.
Sizes
60mg (20mg+40mg)

Sequence

39-amino acid peptide based on GIP sequence with Aib at positions 2 and 13, and a C20 fatty diacid chain conjugated to Lys20 via a linker; C-terminal amidation

Research Use Only. This product is intended for laboratory research purposes only. Not for human consumption. Handle with appropriate safety precautions.

Request QuoteBulk Pricing Inquiry

Related Peptides

Semaglutide - MiPeptidos
Best Seller
Ships Today
GLP-1 / Weight Management

Semaglutide

A glucagon-like peptide-1 (GLP-1) receptor agonist originally developed for glycemic control. Widely studied for its role in appetite regulation and metabolic research.

From$14.95/vial
6 sizesIn Stock
≥99%
Tirzepatide - MiPeptidos
Best Seller
Ships Today
GLP-1 / Weight Management

Tirzepatide

A dual GIP/GLP-1 receptor agonist studied for its effects on glucose metabolism and body weight regulation. One of the most researched peptides in the incretin class.

From$14.95/vial
10 sizesIn Stock
≥99%
Retatrutide - MiPeptidos
Best Seller
Ships Today
GLP-1 / Weight Management

Retatrutide

A triple agonist targeting GIP, GLP-1, and glucagon receptors. Investigated in preclinical and clinical research for its multi-pathway approach to metabolic regulation.

From$41.95/vial
6 sizesIn Stock
≥99%
Liraglutide - MiPeptidos
Ships Today
GLP-1 / Weight Management

Liraglutide

A GLP-1 receptor agonist with an extended half-life due to fatty acid acylation. Extensively studied for glucose homeostasis and appetite signaling research.

From$14.95/vial
3 sizesIn Stock
≥99%