At Marfleet Analytical, we provide independent peptide testing services for research organisations, manufacturers, distributors and individuals requiring accurate laboratory analysis of peptide products.
Professional Peptide Testing Services
Using advanced analytical techniques, we provide independent verification of peptide identity, purity and quality — supporting your requirements for authenticity, consistency and safety. Our laboratory is equipped with pharmaceutical-grade HPLC systems and Triple Quadrupole LC-MS, delivering exceptional sensitivity and analytical performance. ICP-MS detects harmful heavy metals down to parts per trillion levels, while dedicated endotoxin testing provides further assurance of product safety.
HPLC Identify/ Purity /Concentration
From £120
Impurity Profiling by LCMS QQQ
From £120
LAL Endotoxin
£95
Heavy metals by ICP-Ms
£95
Bioburden Screening
£35
Sterility Confirmation
£140
Peptides we can test
At Marfleet Analytical, we provide independent peptide testing services for research organisations, manufacturers, distributors and individuals requiring accurate laboratory analysis of peptide products.
Adamax
AHK-Cu
Arg-BPC-157
BPC-157
TB-157 / TB-500
Cagrilintide
Chonluten
CJC/CAD/Ipamorelin
Cartalax
CJC-1295
(Modified GRF 1-29)
CJC-1295 DAC
GLP-1 peptides
including Semaglutide, Tirzepatide and Retatrutide
Elamipretide (SS-31)
Epithalon
GHK-Cu
GLOW Blend
Glutathione
Hexarelin
HCG
HGH
Humanin
Ipamorelin
Kisspeptin
KLOW
KPV
LL-37
Mazdutide
Melanotan I
Melanotan II
MGF
MOTS-c
N-Acetyl Epithalon (including Amidate)
N-Acetyl Selank
(including Amidate)
N-Acetyl Semax
Ovagen
Oxytocin
P-21
Pancragen
Pinealon
Prostamax
PT-141
(Bremelanotide)
Selank
Semax
Sermorelin
SNAP-8
TB4
TB-500
Tesamorelin
Thymalin
Thymogen
Tirzepatide
Tripeptide-1
Tripeptide-29
VIP
If the peptide you require is not listed, please contact our laboratory as we may still be able to develop or validate an analytical method for your specific requirements.
We also support companies wishing to independently verify peptide quality supplied by third-party manufacturers.
Request a Peptide Testing Quote
If you require professional peptide testing in the UK, Marfleet Analytical can provide reliable and independent laboratory analysis tailored to your requirements. Speak with our team today to discuss your testing requirements, request a quotation or obtain further information about our analytical capabilities. We do not distribute or sell any peptide products, so the service we provide is managed to the same standard as our nutraceutical and medical device testing services.

