GLP-1 / GIP dual
Compounded tirzepatide
15 mg · lyophilized
$340/ vial
Purity
99.4%
Research use only · not for human consumptionNo medical claimsLot ledger live · 184 lots on the recordSigned COA in every boxResearch use only · not for human consumptionNo medical claimsLot ledger live · 184 lots on the recordSigned COA in every box
Lot · EV-024-Revé · compounded retatrutide · 10 mg vialActive rotation · 04 / 26SKU · EV-RTT-010
Compounded retatrutide.
LY3437943. A triple-incretin investigational peptide — still being characterised, even by us.
$420.00/ vial
01Dose10 mg
Concentration
10 mg
Molecular wt.
4677.5
CAS
2381089-83-2
01The molecule
What it does, in plain language.
A summary of the published research. We make compounds — we don't make claims.
Retatrutide is Eli Lilly's LY3437943. A 39-residue peptide, built one amino acid at a time on a solid support. Where tirzepatide pulls on two incretin pathways, retatrutide pulls on three. The third one — glucagon — is what makes the molecule interesting. It is also what makes it incomplete: phase 3 readouts are still pending at the time of writing.
Drawn from preclinical and clinical research literature. Provided as reference, not as therapeutic guidance. We do not characterise outcomes in humans.
- AThree receptors. GLP-1, GIP, glucagon — all activated by the same molecule.
- BReported preclinical EC₅₀: GLP-1R 0.32 nM · GIPR 1.10 nM · GCGR 1.50 nM.
- COnce-weekly dosing in published trials, courtesy of a fatty-acid tail that slows renal clearance.
- DCited in Jastreboff et al., NEJM 2023 · Rosenstock et al., Lancet 2023.
Portland, ME · DEA-licensedBehind the cake
Forty steps. One vial.
We build the peptide on a resin, one Fmoc-protected residue at a time — thirty-nine couplings, then cleavage. The crude is purified twice on reverse-phase HPLC against a reference standard. Identity confirmed by ESI mass spectrometry. Numbers logged at every step.
What comes out is a white cake in a sealed glass vial. Argon-purged, tamper-banded, labelled with the lot number you'll find on the bottle in your hand.
02Lot ledger
The story of this vial.
Every lot has a record. Eleven days, four hands, one vial — this is the ledger for the one in your box.
05 · 03
Synthesis begun
SPPS · residue 1 of 39
M. Kapoor at the bench
M. Kapoor at the bench
05 · 05
Cleaved off resin
TFA / TIS / H₂O
92 min, room temp
92 min, room temp
05 · 06
Twice purified
RP-HPLC · C18 column
vs. reference standard
vs. reference standard
05 · 07
Lyophilised
36 hr cycle
−50 °C condenser
−50 °C condenser
05 · 09
In-house assay
HPLC · 99.42%
ESI [M+H]⁺ 4678.5
ESI [M+H]⁺ 4678.5
05 · 11
Third-party concur
Eurofins Calabasas
independent · 99.4%
independent · 99.4%
05 · 14
Released & banded
Argon-purged · tamper-sealed
signed by M. Kapoor
signed by M. Kapoor
05 · 22
Ships to you
Cold-chain · 1–2 day
UPS Next Day Air
UPS Next Day Air
Your vial
Serial 0091 / 0240
Reserved at checkout · cannot be re-assigned
Released by
Dr. Mira Kapoor
Chief chemist · evé labs
Portland, ME · signed 05.14.26
Portland, ME · signed 05.14.26
Verified by
Eurofins Calabasas
Independent third-party
Lab ID 4-CA-117 · report 05.11.26
Lab ID 4-CA-117 · report 05.11.26
cGMPCompliantEurofinsVerified21 CFRLoggedPortland, MESynthesisedArgonSealed