info@stjohnslabs.com

+44 (0)208 223 3081

USD

Search

Compare
Login / Register
View Cart

Search

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

USD
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:

Universal VK1 (Vitamin K1) Competitive ELISA Kit (STJE0013051)

Applications :

ELISA

Reactivity :

Universal

MSRP:

Was:

Now: $580.29 - $788.67

Choose Options
Universal VK1 (Vitamin K1) Ready-To-Use Competitive ELISA Kit (STJE0019441)

Applications :

ELISA

Reactivity :

Universal

MSRP:

Was:

Now: $603.75 - $824.55

Choose Options
VB6 (Vitamin B6) Competitive ELISA Kit (STJE0006572)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VD (Vitamin D) Competitive ELISA Kit (STJE0006574)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VD3 (Vitamin D3) Competitive ELISA Kit (STJE0006575)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VMA (Vanillylmandelic Acid) Competitive ELISA Kit (STJE0006633)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options

Universal VK1 (Vitamin K1) Competitive ELISA Kit (STJE0013051)

Applications :

ELISA

Reactivity :

Universal

MSRP:

Was:

Now: $580.29 - $788.67

Choose Options
Universal VK1 (Vitamin K1) Ready-To-Use Competitive ELISA Kit (STJE0019441)

Applications :

ELISA

Reactivity :

Universal

MSRP:

Was:

Now: $603.75 - $824.55

Choose Options
VB6 (Vitamin B6) Competitive ELISA Kit (STJE0006572)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VD (Vitamin D) Competitive ELISA Kit (STJE0006574)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VD3 (Vitamin D3) Competitive ELISA Kit (STJE0006575)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options
VMA (Vanillylmandelic Acid) Competitive ELISA Kit (STJE0006633)

Applications :

ELISA

Reactivity :

All

MSRP:

Was:

Now: $225.63 - $493.35

Choose Options

630 of 630 Items

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