info@stjohnslabs.com

+44 (0)208 223 3081

EUR

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

EUR
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:

Porcine GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009195)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015575)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine Pg (Progesterone) Competitive ELISA Kit (STJE0006767)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Porcine PTH (Parathyroid Hormone) Competitive ELISA Kit (STJE0011744)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine PTH (Parathyroid Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0018130)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine RLN (Relaxin) Competitive ELISA Kit (STJE0011900)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine RLN (Relaxin) Competitive ELISA Kit Ready-To-Use Kit (STJE0018287)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €591.00 - €825.00

Choose Options
Porcine SST (Somatostatin) Competitive ELISA Kit (STJE0012352)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine SST (Somatostatin) Competitive ELISA Kit Ready-To-Use Kit (STJE0018739)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine vWF (Von Willebrand Factor) Competitive ELISA Kit (STJE0013078)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine vWF (Von Willebrand Factor) Competitive ELISA Kit Ready-To-Use Kit (STJE0019468)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Rabbit AngII (Angiotensin II) Competitive ELISA Kit (STJE0007129)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rabbit AngII (Angiotensin II) Competitive ELISA Kit Ready-To-Use Kit (STJE0013505)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rabbit APOA1 (Apolipoprotein A1) Competitive ELISA Kit (STJE0007225)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €451.80 - €625.80

Choose Options
Rabbit APOA1 (Apolipoprotein A1) Competitive ELISA Kit Ready-To-Use Kit (STJE0013601)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €472.20 - €655.80

Choose Options
Rabbit APOE (Apolipoprotein E) Competitive ELISA Kit (STJE0007257)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rabbit APOE (Apolipoprotein E) Competitive ELISA Kit Ready-To-Use Kit (STJE0013633)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rabbit Cortisol (Cortisol) Competitive ELISA Kit (STJE0006733)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rabbit E2 (Estradiol) Competitive ELISA Kit (STJE0006732)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rabbit EDN1 (Endothelin 1) Competitive ELISA Kit (STJE0008576)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rabbit EDN1 (Endothelin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0014954)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rabbit IgG (IgG) Competitive ELISA Kit (STJE0020091)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €538.20

Choose Options
Rabbit Pg (Progesterone) Competitive ELISA Kit (STJE0019547)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rat 11-DH-TXB2 (11-Dehydrothromboxane B2) Competitive ELISA Kit (STJE0020271)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat Ab1-40 (Amyloid Beta Peptide 1-40) Competitive ELISA Kit (STJE0006808)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rat Ab1-40 (Amyloid Beta Peptide 1-40) Competitive ELISA Kit Ready-To-Use Kit (STJE0013184)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat Ab1-42 (Amyloid Beta Peptide 1-42) Competitive ELISA Kit (STJE0006811)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rat Ab1-42 (Amyloid Beta Peptide 1-42) Competitive ELISA Kit Ready-To-Use Kit (STJE0013187)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit (STJE0005457)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit (STJE0006874)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €451.80 - €625.80

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0013250)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €472.20 - €655.80

Choose Options
Rat ADH (Antidiuretic Hormone) Competitive ELISA Kit (STJE0005832)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €540.60

Choose Options
Rat AFM (Afamin) Competitive ELISA Kit (STJE0006977)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €541.80 - €755.40

Choose Options
Rat AFM (Afamin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013353)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €568.20 - €791.40

Choose Options
Rat ALB (Albumin) Competitive ELISA Kit (STJE0007043)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €244.20 - €328.20

Choose Options
Rat ALB (Albumin) Competitive ELISA Kit Ready-To-Use Kit (STJE0006782)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €253.80 - €342.60

Choose Options
Rat Alpha-CTx (Alpha Crosslaps) Competitive ELISA Kit (STJE0020238)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat Ang-2 (Angiotensin 2) Competitive ELISA Kit (STJE0006341)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit (STJE0007119)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €527.40 - €735.00

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit (STJE0019831)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €196.20 - €462.60

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit Ready-To-Use Kit (STJE0013495)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €551.40 - €769.80

Choose Options
Rat AngI (Angiotensin I) Competitive ELISA Kit (STJE0007124)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rat AngI (Angiotensin I) Competitive ELISA Kit Ready-To-Use Kit (STJE0013500)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rat ANP (Atrial Natriuretic Peptide) Competitive ELISA Kit (STJE0005445)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat AP13 (Apelin 13) Competitive ELISA Kit (STJE0007198)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat AP13 (Apelin 13) Competitive ELISA Kit Ready-To-Use Kit (STJE0013574)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €544.20 - €757.80

Choose Options
Rat AP36 (Apelin 36) Competitive ELISA Kit (STJE0021988)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat APLN (Apelin) Competitive ELISA Kit (STJE0020387)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options

Porcine GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit (STJE0009195)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine GLP1 (Glucagon Like Peptide 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0015575)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine Pg (Progesterone) Competitive ELISA Kit (STJE0006767)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Porcine PTH (Parathyroid Hormone) Competitive ELISA Kit (STJE0011744)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine PTH (Parathyroid Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0018130)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine RLN (Relaxin) Competitive ELISA Kit (STJE0011900)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine RLN (Relaxin) Competitive ELISA Kit Ready-To-Use Kit (STJE0018287)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €591.00 - €825.00

Choose Options
Porcine SST (Somatostatin) Competitive ELISA Kit (STJE0012352)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine SST (Somatostatin) Competitive ELISA Kit Ready-To-Use Kit (STJE0018739)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Porcine vWF (Von Willebrand Factor) Competitive ELISA Kit (STJE0013078)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €540.60 - €751.80

Choose Options
Porcine vWF (Von Willebrand Factor) Competitive ELISA Kit Ready-To-Use Kit (STJE0019468)

Applications :

ELISA

Reactivity :

Porcine

MSRP:

Was:

Now: €564.60 - €787.80

Choose Options
Rabbit AngII (Angiotensin II) Competitive ELISA Kit (STJE0007129)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rabbit AngII (Angiotensin II) Competitive ELISA Kit Ready-To-Use Kit (STJE0013505)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rabbit APOA1 (Apolipoprotein A1) Competitive ELISA Kit (STJE0007225)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €451.80 - €625.80

Choose Options
Rabbit APOA1 (Apolipoprotein A1) Competitive ELISA Kit Ready-To-Use Kit (STJE0013601)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €472.20 - €655.80

Choose Options
Rabbit APOE (Apolipoprotein E) Competitive ELISA Kit (STJE0007257)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rabbit APOE (Apolipoprotein E) Competitive ELISA Kit Ready-To-Use Kit (STJE0013633)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rabbit Cortisol (Cortisol) Competitive ELISA Kit (STJE0006733)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rabbit E2 (Estradiol) Competitive ELISA Kit (STJE0006732)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rabbit EDN1 (Endothelin 1) Competitive ELISA Kit (STJE0008576)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rabbit EDN1 (Endothelin 1) Competitive ELISA Kit Ready-To-Use Kit (STJE0014954)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rabbit IgG (IgG) Competitive ELISA Kit (STJE0020091)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €538.20

Choose Options
Rabbit Pg (Progesterone) Competitive ELISA Kit (STJE0019547)

Applications :

ELISA

Reactivity :

Rabbit

MSRP:

Was:

Now: €193.80 - €433.80

Choose Options
Rat 11-DH-TXB2 (11-Dehydrothromboxane B2) Competitive ELISA Kit (STJE0020271)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat Ab1-40 (Amyloid Beta Peptide 1-40) Competitive ELISA Kit (STJE0006808)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rat Ab1-40 (Amyloid Beta Peptide 1-40) Competitive ELISA Kit Ready-To-Use Kit (STJE0013184)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat Ab1-42 (Amyloid Beta Peptide 1-42) Competitive ELISA Kit (STJE0006811)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €496.20 - €690.60

Choose Options
Rat Ab1-42 (Amyloid Beta Peptide 1-42) Competitive ELISA Kit Ready-To-Use Kit (STJE0013187)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit (STJE0005457)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit (STJE0006874)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €451.80 - €625.80

Choose Options
Rat ACTH (Adrenocorticotropic Hormone) Competitive ELISA Kit Ready-To-Use Kit (STJE0013250)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €472.20 - €655.80

Choose Options
Rat ADH (Antidiuretic Hormone) Competitive ELISA Kit (STJE0005832)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €540.60

Choose Options
Rat AFM (Afamin) Competitive ELISA Kit (STJE0006977)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €541.80 - €755.40

Choose Options
Rat AFM (Afamin) Competitive ELISA Kit Ready-To-Use Kit (STJE0013353)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €568.20 - €791.40

Choose Options
Rat ALB (Albumin) Competitive ELISA Kit (STJE0007043)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €244.20 - €328.20

Choose Options
Rat ALB (Albumin) Competitive ELISA Kit Ready-To-Use Kit (STJE0006782)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €253.80 - €342.60

Choose Options
Rat Alpha-CTx (Alpha Crosslaps) Competitive ELISA Kit (STJE0020238)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat Ang-2 (Angiotensin 2) Competitive ELISA Kit (STJE0006341)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit (STJE0007119)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €527.40 - €735.00

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit (STJE0019831)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €196.20 - €462.60

Choose Options
Rat Ang1-7 (Angiotensin 1-7) Competitive ELISA Kit Ready-To-Use Kit (STJE0013495)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €551.40 - €769.80

Choose Options
Rat AngI (Angiotensin I) Competitive ELISA Kit (STJE0007124)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €438.60 - €606.60

Choose Options
Rat AngI (Angiotensin I) Competitive ELISA Kit Ready-To-Use Kit (STJE0013500)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €457.80 - €634.20

Choose Options
Rat ANP (Atrial Natriuretic Peptide) Competitive ELISA Kit (STJE0005445)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €193.80 - €417.00

Choose Options
Rat AP13 (Apelin 13) Competitive ELISA Kit (STJE0007198)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €519.00 - €723.00

Choose Options
Rat AP13 (Apelin 13) Competitive ELISA Kit Ready-To-Use Kit (STJE0013574)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €544.20 - €757.80

Choose Options
Rat AP36 (Apelin 36) Competitive ELISA Kit (STJE0021988)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options
Rat APLN (Apelin) Competitive ELISA Kit (STJE0020387)

Applications :

ELISA

Reactivity :

Rat

MSRP:

Was:

Now: €306.60 - €402.60

Choose Options

432 of 704 Items

4
5
6
7
8
9
10
11
12
13
14

!

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