info@stjohnslabs.com

+44 (0)208 223 3081

GBP

Search

Compare
Login / Register
View Cart

Search

All
Primary antibodies
Secondary antibodies
Nanobodies
Kits
Proteins
Trial Size Antibodies
Blog
Company
- St John's Laboratory Guarantee
- Contact Us

GBP
Compare
Login Register

Home
All
Kits
ELISA Kits
Competitive ELISA Kits

All

Refine by

No filters applied

Browse by Size, Reactivity & more Hide Filters Show Filters

Enter the minimum price to filter products by

Enter the maximum price to filter products by

Competitive ELISA Kits

This type of assay is used to measure the antigen concentration via signal interference detection.

Show

Show

Sort By:

Human bEP (Beta-Endorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013843)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human Beta-CTx (Beta Crosslaps) Competitive ELISA Kit (STJE0002623)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human Beta-EP (Beta-Endorphin) Competitive ELISA Kit (STJE0002322)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human BK (Bradykinin) Competitive ELISA Kit (STJE0019878)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human C-Peptide (C-Peptide) Competitive ELISA Kit (STJE0007565)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £312.50 - £431.50

Choose Options
Human C-Peptide (C-Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0013941)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £327.50 - £450.50

Choose Options
Human CCK (Cholecystokinin) Competitive ELISA Kit (STJE0007742)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £386.50 - £537.50

Choose Options
Human CCK (Cholecystokinin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014117)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit (STJE0007747)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014122)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human CGa (Chorionic Gonadotropin Alpha Polypeptide) Competitive ELISA Kit (STJE0007907)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CGa (Chorionic Gonadotropin Alpha Polypeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014282)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit (STJE0007910)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £353.50 - £488.50

Choose Options
Human CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014285)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £368.50 - £510.50

Choose Options
Human CL (Cardiolipin) Competitive ELISA Kit (STJE0021245)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human Cortisol (Cortisol) Competitive ELISA Kit (STJE0001911)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Human Cortisol (Cortisol) Competitive ELISA Kit (STJE0006722)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Human CPLX2 (Complexin 2) Competitive ELISA Kit (STJE0008105)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human CPLX2 (Complexin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014481)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human CPP (Copeptin) Competitive ELISA Kit (STJE0002527)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human CRH (Corticoliberin) Competitive ELISA Kit (STJE0002749)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human CRH (Corticotropin Releasing Hormone) Competitive ELISA Kit (STJE0022101)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human D2D (D-Dimer) Competitive ELISA Kit (STJE0008339)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £353.50 - £488.50

Choose Options
Human D2D (D-Dimer) Competitive ELISA Kit Ready-To-Use Kit (STJE0014716)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £368.50 - £510.50

Choose Options
Human DPD (Deoxypyridinoline) Competitive ELISA Kit (STJE0003396)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Human Dyn (Big Dynorphin) Competitive ELISA Kit (STJE0021220)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human DYNC2H1 (Cytoplasmic Dynein 2 heavy Chain 1) Competitive ELISA Kit (STJE0021635)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human E3 (Estriol) Competitive ELISA Kit (STJE0006749)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Human EDN2 (Endothelin 2) Competitive ELISA Kit (STJE0008577)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £372.50 - £516.50

Choose Options
Human EDN2 (Endothelin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014955)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £389.50 - £540.50

Choose Options
Human EM2 (Endomorphin 2) Competitive ELISA Kit (STJE0022163)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human ENK (Enkephalin) Competitive ELISA Kit (STJE0008646)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human ENK (Enkephalin) Competitive ELISA Kit Ready-To-Use Kit (STJE0015025)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human GC (Glucagon) Competitive ELISA Kit (STJE0003550)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human GHRL (Appetite-regulating hormone) Competitive ELISA Kit (STJE0003324)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human GHRL (Ghrelin) Competitive ELISA Kit (STJE0021272)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human GLP-2 (Glucagon Like Peptide 2) Competitive ELISA Kit (STJE0003551)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009193)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £386.50 - £537.50

Choose Options
Human GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015573)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human GRP (Gastrin Releasing Peptide) Competitive ELISA Kit (STJE0009322)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human GRP (Gastrin Releasing Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0015703)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human GT (Gastrin) Competitive ELISA Kit (STJE0021354)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human HBg1 (Hemoglobin Gamma 1) Competitive ELISA Kit (STJE0009399)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human HBg1 (Hemoglobin Gamma 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015781)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human HCRT (Orexin A) Competitive ELISA Kit (STJE0002658)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human HTN1 (Histatin 1) Competitive ELISA Kit (STJE0009595)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human HTN1 (Histatin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015977)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human IAPP (Islet Amyloid Polypeptide) Competitive ELISA Kit (STJE0020323)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options

Human bEP (Beta-Endorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013843)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human Beta-CTx (Beta Crosslaps) Competitive ELISA Kit (STJE0002623)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human Beta-EP (Beta-Endorphin) Competitive ELISA Kit (STJE0002322)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human BK (Bradykinin) Competitive ELISA Kit (STJE0019878)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human C-Peptide (C-Peptide) Competitive ELISA Kit (STJE0007565)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £312.50 - £431.50

Choose Options
Human C-Peptide (C-Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0013941)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £327.50 - £450.50

Choose Options
Human CCK (Cholecystokinin) Competitive ELISA Kit (STJE0007742)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £386.50 - £537.50

Choose Options
Human CCK (Cholecystokinin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014117)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit (STJE0007747)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014122)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human CGa (Chorionic Gonadotropin Alpha Polypeptide) Competitive ELISA Kit (STJE0007907)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human CGa (Chorionic Gonadotropin Alpha Polypeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014282)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit (STJE0007910)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £353.50 - £488.50

Choose Options
Human CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014285)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £368.50 - £510.50

Choose Options
Human CL (Cardiolipin) Competitive ELISA Kit (STJE0021245)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human Cortisol (Cortisol) Competitive ELISA Kit (STJE0001911)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Human Cortisol (Cortisol) Competitive ELISA Kit (STJE0006722)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Human CPLX2 (Complexin 2) Competitive ELISA Kit (STJE0008105)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human CPLX2 (Complexin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014481)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human CPP (Copeptin) Competitive ELISA Kit (STJE0002527)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human CRH (Corticoliberin) Competitive ELISA Kit (STJE0002749)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human CRH (Corticotropin Releasing Hormone) Competitive ELISA Kit (STJE0022101)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human D2D (D-Dimer) Competitive ELISA Kit (STJE0008339)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £353.50 - £488.50

Choose Options
Human D2D (D-Dimer) Competitive ELISA Kit Ready-To-Use Kit (STJE0014716)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £368.50 - £510.50

Choose Options
Human DPD (Deoxypyridinoline) Competitive ELISA Kit (STJE0003396)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Human Dyn (Big Dynorphin) Competitive ELISA Kit (STJE0021220)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human DYNC2H1 (Cytoplasmic Dynein 2 heavy Chain 1) Competitive ELISA Kit (STJE0021635)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human E3 (Estriol) Competitive ELISA Kit (STJE0006749)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Human EDN2 (Endothelin 2) Competitive ELISA Kit (STJE0008577)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £372.50 - £516.50

Choose Options
Human EDN2 (Endothelin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014955)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £389.50 - £540.50

Choose Options
Human EM2 (Endomorphin 2) Competitive ELISA Kit (STJE0022163)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human ENK (Enkephalin) Competitive ELISA Kit (STJE0008646)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human ENK (Enkephalin) Competitive ELISA Kit Ready-To-Use Kit (STJE0015025)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £423.50 - £587.50

Choose Options
Human GC (Glucagon) Competitive ELISA Kit (STJE0003550)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Human GHRL (Appetite-regulating hormone) Competitive ELISA Kit (STJE0003324)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human GHRL (Ghrelin) Competitive ELISA Kit (STJE0021272)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human GLP-2 (Glucagon Like Peptide 2) Competitive ELISA Kit (STJE0003551)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009193)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £386.50 - £537.50

Choose Options
Human GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015573)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £404.50 - £562.50

Choose Options
Human GRP (Gastrin Releasing Peptide) Competitive ELISA Kit (STJE0009322)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human GRP (Gastrin Releasing Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0015703)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human GT (Gastrin) Competitive ELISA Kit (STJE0021354)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Human HBg1 (Hemoglobin Gamma 1) Competitive ELISA Kit (STJE0009399)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human HBg1 (Hemoglobin Gamma 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015781)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human HCRT (Orexin A) Competitive ELISA Kit (STJE0002658)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Human HTN1 (Histatin 1) Competitive ELISA Kit (STJE0009595)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £421.50 - £586.50

Choose Options
Human HTN1 (Histatin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015977)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £440.50 - £614.50

Choose Options
Human IAPP (Islet Amyloid Polypeptide) Competitive ELISA Kit (STJE0020323)

Applications :

ELISA

Reactivity :

Human

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options

192 of 704 Items

1
2
3
4
5
6
7
8
9

!

Footer Start

Information

about us
distributors
privacy policy
terms & conditions
blog

Customer service

contact us
shipping
FAQ
antibody troubleshooting

My Account

my account
order history

Company

St John's Laboratory Ltd
Knowledge Dock Business Centre
University Way
London
E16 2RD, UK

Subscribe

newsletter.subscribe_intro

Email Address

Receive discounts, product insights and technical resources as a subscriber.

© 2026 Product Ecommerce St John's Laboratory Ltd All Rights Reserved.

Terms
Privacy
Cookies