Same-day shippingFree shipping on orders over $185Third party testedCOAs available
Same-day shippingFree shipping on orders over $185Third party testedCOAs available
Quality

Full traceability, from reactor to vial.

Every batch passes six quality controls before leaving the lab. The COA ships with the vial and is also available in digital format.

01
SPPS synthesis

Solid-phase peptide synthesis under cGMP standards.

02
HPLC purification

Preparative HPLC purification up to 99%.

03
MS analysis

Confirmation of the exact molecular mass.

04
LAL assay

Bacterial endotoxin control.

05
Lyophilization

Sterile lyophilized fill under inert atmosphere.

06
COA per batch

Documentation shipped with every order.

Original COA — Retatrutide 20 mg

Authentic Certificate of Analysis from Freedom Diagnostics for our Retatrutide 20 mg batch (Lot Mar-2026). Includes identity confirmation, HPLC chromatogram, mass confirmation, and the responsible chemist signature.

HPLC purity
99.84%
Net content
21.18 mg
Identity
Confirmed
Appearance
White lyophilized powder
Original COA - Retatrutide 20mg