
Metabolic · GLP-1 / GIP / glucagon triple agonist
Retatrutide 20mg
Retatrutide supplied as a lyophilised powder for reconstitution. Reference-grade purity, mass-spec confirmed identity, and a batch-linked Certificate of Analysis with every order.
Retatrutide UK buying guide →
Bundle & save · Month tiers
1 vial
Base
3+ vials
−10%
6+ vials
−18%
✓ Free UK shipping over £100 · dispatched same working day before 3pm
CoA-match guarantee — every vial matches its batch Certificate of Analysis, or your money back.
Specification
Read the vial.
- Compound
- Retatrutide
- CAS number
- 2381089-83-2
- Molecular formula
- C₂₂₆H₃₅₆N₆₄O₆₉
- Molecular weight
- 4731.29 g/mol
- Purity (HPLC)
- 99.4%
- Identity
- Confirmed by ESI-MS
- Sequence
- H-Y-Aib-EGT-α-MeF-TSDYSIαMeLLDKKAQ-Aib-AFIEYLLEGGPSSGAPPPS-NH₂ (γGlu-C20 diacid at K20)
- Form
- Lyophilised powder, sterile-filtered
- Storage
- Store lyophilised at ≤ −20 °C. Reconstituted: 2–8 °C, use within 28 days.
- Batch
- SVA-0418
Reconstitution guidance
Handled like a lab reagent.
Reconstitute with bacteriostatic water. Draw slowly against the vial wall — do not agitate. Swirl gently until fully dissolved. Store reconstituted vials at 2–8 °C and use within 28 days. Full protocol on the Certificate of Analysis.
Example dilutions · 20 mg vial
| BAC water | Concentration | Per 0.05 ml |
|---|---|---|
| 1.0 ml | 20 mg / ml | 1.00 mg |
| 2.0 ml | 10 mg / ml | 0.50 mg |
| 3.0 ml | 6.67 mg / ml | 0.33 mg |
| 5.0 ml | 4 mg / ml | 0.20 mg |
Concentration reference only — not a dosing schedule.
Further reading
Research hub →6 min read
Retatrutide vs Semaglutide Compared
A science-led comparison of semaglutide and retatrutide, framed around how many incretin receptors each molecule engages.
6 min read
Retatrutide vs Tirzepatide Compared
A science-led comparison of retatrutide and tirzepatide, focused on receptor pharmacology and molecular identity rather than use.
6 min read
What Is Retatrutide? Research Overview
A science-led overview of retatrutide: a synthetic GLP-1 / GIP / glucagon triple agonist peptide studied in clinical research.


