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:

Rat bEP (Beta-Endorphin) Competitive ELISA Kit (STJE0007469)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat bEP (Beta-Endorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013845)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat Beta-CTx (Beta Crosslaps) Competitive ELISA Kit (STJE0006324)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat Beta-EP (Beta-Endorphin) Competitive ELISA Kit (STJE0005500)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat BK (Bradykinin) Competitive ELISA Kit (STJE0020467)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat BNP (Brain Natriuretic Peptide) Competitive ELISA Kit (STJE0022257)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat C-Peptide (C-Peptide) Competitive ELISA Kit (STJE0007567)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £376.50 - £521.50

Choose Options
Rat C-Peptide (C-Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0013943)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £393.50 - £546.50

Choose Options
Rat CCK (Cholecystokinin) Competitive ELISA Kit (STJE0007745)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat CCK (Cholecystokinin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014120)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit (STJE0007749)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014124)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit (STJE0007912)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014287)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CNP (C-Type Natriuretic Peptide) Competitive ELISA Kit (STJE0020470)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat CORT (Corticosterone) Competitive ELISA Kit (STJE0006731)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat Crh (Corticoliberin) Competitive ELISA Kit (STJE0005631)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat CRH (Corticotropin Releasing Hormone) Competitive ELISA Kit (STJE0022102)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat D2D (D-Dimer) Competitive ELISA Kit (STJE0005663)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat DPD (Deoxypyridinoline) Competitive ELISA Kit (STJE0021333)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat Dyn (Big Dynorphin) Competitive ELISA Kit (STJE0008538)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat Dyn (Big Dynorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014916)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat E2 (Estradiol) Competitive ELISA Kit (STJE0006730)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat E3 (Estriol) Competitive ELISA Kit (STJE0006769)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat EDN1 (Endothelin 1) Competitive ELISA Kit (STJE0008575)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £365.50 - £505.50

Choose Options
Rat EDN1 (Endothelin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0014953)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £381.50 - £528.50

Choose Options
Rat EDN2 (Endothelin 2) Competitive ELISA Kit (STJE0008578)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £401.50 - £558.50

Choose Options
Rat EDN2 (Endothelin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014956)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £420.50 - £585.50

Choose Options
Rat FSH (Follicle Stimulating Hormone) Competitive ELISA Kit (STJE0008987)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £338.50 - £467.50

Choose Options
Rat FSH (Follicle Stimulating Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0015367)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £354.50 - £489.50

Choose Options
Rat Gast (Gastrin) Competitive ELISA Kit (STJE0005791)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat GC (Glucagon) Competitive ELISA Kit (STJE0005754)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Rat GHRL (Ghrelin) Competitive ELISA Kit (STJE0006069)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009196)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015576)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat IAPP (Islet Amyloid Polypeptide) Competitive ELISA Kit (STJE0020324)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat INS (Insulin) Competitive ELISA Kit (STJE0006569)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat INSL3 (Insulin Like Protein 3) Competitive ELISA Kit Ready-To-Use Kit (STJE0016413)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £473.50 - £659.50

Choose Options
Rat LHRH (Luteinizing Hormone-Releasing Hormone) Competitive ELISA Kit (STJE0022279)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat MT (Melatonin) Competitive ELISA Kit (STJE0005450)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat MTL (Motilin) Competitive ELISA Kit (STJE0005915)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat NMU (Neuromedin U) Competitive ELISA Kit (STJE0010992)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat NMU (Neuromedin U) Competitive ELISA Kit Ready-To-Use Kit (STJE0017379)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat Nppb (Natriuretic peptides B) Competitive ELISA Kit (STJE0005514)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat NPS (Neuropeptide S) Competitive ELISA Kit (STJE0011044)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat NPS (Neuropeptide S) Competitive ELISA Kit Ready-To-Use Kit (STJE0017431)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat NPY (Neuropeptide Y) Competitive ELISA Kit (STJE0021250)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat Npy (Pro-neuropeptide Y) Competitive ELISA Kit (STJE0005926)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options

Rat bEP (Beta-Endorphin) Competitive ELISA Kit (STJE0007469)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat bEP (Beta-Endorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013845)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat Beta-CTx (Beta Crosslaps) Competitive ELISA Kit (STJE0006324)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat Beta-EP (Beta-Endorphin) Competitive ELISA Kit (STJE0005500)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat BK (Bradykinin) Competitive ELISA Kit (STJE0020467)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat BNP (Brain Natriuretic Peptide) Competitive ELISA Kit (STJE0022257)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat C-Peptide (C-Peptide) Competitive ELISA Kit (STJE0007567)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £376.50 - £521.50

Choose Options
Rat C-Peptide (C-Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0013943)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £393.50 - £546.50

Choose Options
Rat CCK (Cholecystokinin) Competitive ELISA Kit (STJE0007745)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat CCK (Cholecystokinin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014120)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit (STJE0007749)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CCK8 (Cholecystokinin 8, Octapeptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014124)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit (STJE0007912)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat CGRP (Calcitonin Gene Related Peptide) Competitive ELISA Kit Ready-To-Use Kit (STJE0014287)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat CNP (C-Type Natriuretic Peptide) Competitive ELISA Kit (STJE0020470)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat CORT (Corticosterone) Competitive ELISA Kit (STJE0006731)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat Crh (Corticoliberin) Competitive ELISA Kit (STJE0005631)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat CRH (Corticotropin Releasing Hormone) Competitive ELISA Kit (STJE0022102)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat D2D (D-Dimer) Competitive ELISA Kit (STJE0005663)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat DPD (Deoxypyridinoline) Competitive ELISA Kit (STJE0021333)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat Dyn (Big Dynorphin) Competitive ELISA Kit (STJE0008538)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat Dyn (Big Dynorphin) Competitive ELISA Kit Ready-To-Use Kit (STJE0014916)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat E2 (Estradiol) Competitive ELISA Kit (STJE0006730)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat E3 (Estriol) Competitive ELISA Kit (STJE0006769)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £361.50

Choose Options
Rat EDN1 (Endothelin 1) Competitive ELISA Kit (STJE0008575)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £365.50 - £505.50

Choose Options
Rat EDN1 (Endothelin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0014953)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £381.50 - £528.50

Choose Options
Rat EDN2 (Endothelin 2) Competitive ELISA Kit (STJE0008578)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £401.50 - £558.50

Choose Options
Rat EDN2 (Endothelin 2) Competitive ELISA Kit Ready-To-Use Kit (STJE0014956)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £420.50 - £585.50

Choose Options
Rat FSH (Follicle Stimulating Hormone) Competitive ELISA Kit (STJE0008987)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £338.50 - £467.50

Choose Options
Rat FSH (Follicle Stimulating Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0015367)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £354.50 - £489.50

Choose Options
Rat Gast (Gastrin) Competitive ELISA Kit (STJE0005791)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat GC (Glucagon) Competitive ELISA Kit (STJE0005754)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options
Rat GHRL (Ghrelin) Competitive ELISA Kit (STJE0006069)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009196)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015576)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat IAPP (Islet Amyloid Polypeptide) Competitive ELISA Kit (STJE0020324)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat INS (Insulin) Competitive ELISA Kit (STJE0006569)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat INSL3 (Insulin Like Protein 3) Competitive ELISA Kit Ready-To-Use Kit (STJE0016413)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £473.50 - £659.50

Choose Options
Rat LHRH (Luteinizing Hormone-Releasing Hormone) Competitive ELISA Kit (STJE0022279)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat MT (Melatonin) Competitive ELISA Kit (STJE0005450)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat MTL (Motilin) Competitive ELISA Kit (STJE0005915)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £450.50

Choose Options
Rat NMU (Neuromedin U) Competitive ELISA Kit (STJE0010992)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat NMU (Neuromedin U) Competitive ELISA Kit Ready-To-Use Kit (STJE0017379)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £453.50 - £631.50

Choose Options
Rat Nppb (Natriuretic peptides B) Competitive ELISA Kit (STJE0005514)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £161.50 - £347.50

Choose Options
Rat NPS (Neuropeptide S) Competitive ELISA Kit (STJE0011044)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £413.50 - £575.50

Choose Options
Rat NPS (Neuropeptide S) Competitive ELISA Kit Ready-To-Use Kit (STJE0017431)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £432.50 - £602.50

Choose Options
Rat NPY (Neuropeptide Y) Competitive ELISA Kit (STJE0021250)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £255.50 - £335.50

Choose Options
Rat Npy (Pro-neuropeptide Y) Competitive ELISA Kit (STJE0005926)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: £163.50 - £357.50

Choose Options

480 of 704 Items

5
6
7
8
9
10
11
12
13
14
15

!

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