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Limited Availability · Ships today if ordered by 2pm
Batch Purity
99.98%
HPLC · Independently Verified
★★★★★
4.9/5 - 847 researchers
Triple Receptor Agonist · GLP-1 / GIP / Glucagon

Tirzepatide

The most advanced peptide in the class. Next-generation 99.98% purity. Third-party tested. COA included with every order. For in-vitro research only.
SELECT A SIZE
/ vial
The Compound
Triple mechanism.
One compound.

Retatrutide — Research Grade Lyophilized Peptide
Retatrutide is the most advanced peptide architecture currently available for research. Retatrutide is a next-generation triple receptor agonist targeting GLP-1, GIP, and glucagon pathways simultaneously. This multi-receptor binding profile makes it a subject of active academic and preclinical investigation.

Purity & Verification
Each batch undergoes independent third-party HPLC analysis and mass spectometry sequence testing verification before release. Our current batch (GLPx Reta 30mg) achieved 99.98% purity, Full Certificate of Analysis is inluded with every order and permentantly accessible at glpxlabs.com/coa.

Legal & Compliance
This product is sold strictly for in-vitro laboratory research use only. Not approved for human or veterinary use. Not for consumption. Not a drug or supplement, These statements have not evaluated by the FDA. Researcher assumes full responsibility for compliance with applicable local, state, and federal regulations. 

CompoundRetatrutide
Purity (HPLC)99.2% (≥97.5% spec)
Sequence VerifiedPASS — Mass Spec
Molecular Weight4522.14 g/mol
FormLyophilized powder
Storage−20°C, dry, dark
SolubilityBAC water
Testing LabAnalytical Solutions Inc.
COA IncludedYes — per batch
Research Use OnlyNot for human use
Certificate of Analysis — GLPx-RET-2025-011
CompoundRetatrutide
Purity (HPLC)99.2%
Identity TestPASS — Confirmed
Molecular Weight4522.14 g/mol
AppearanceWhite lyophilized powder
Testing LabAnalytical Solutions Inc.
Overall StatusRELEASED ✓
Verify It Yourself
Every batch documented.
Every result public.
Most vendors self-report purity. We don't. Every batch goes to an independent ISO-certified lab — and every result is permanently searchable at glpxlabs.com/coa.
Search any batch number
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Common Questions
Straight answers.
What happens if purity is below spec?
Full reship within 24 hours. No questions. Current batch tests at 99.9% — spec minimum is 99%.
How do I verify the batch COA?
Enter your batch number above or visit glpxlabs.com/coa. Full third-party lab documentation is permanently accessible.
How quickly does it ship?
Orders before 2PM EST ship same day. USA only. Discreet unmarked packaging. Tracking provided.
How do I reconstitute it?
Use bacteriostatic water (BAC water). Add slowly along the vial wall. Do not shake. Full instructions included.
Is this for human use?
No. Sold strictly for in-vitro research purposes only. Not for human or animal consumption.
What's the difference between sizes?
Same compound, same purity. Larger sizes offer better value per mg for longer research protocols.
GLPx Labs products are intended for research use only. Not for human consumption. These statements have not been evaluated by the FDA.
Retatrutide
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