Buy 1, Get 1 50% off: ELISA Kits

Stock up and save on Proteintech ready-to-use two-site sandwich ELISA kits

Use promo code: B1ELISA50

Browse all ELISA Kits

Offer valid July 1st - September 30th 2024 (Valid in US, Canada, and Europe*) Terms and conditions apply.

Search our catalog of over 3,500 ELISA Kits from just $299 each, in stock for next-day delivery.


Browse all ELISA Kits 

AuthentiKine™ ELISA Kits

AuthentiKine™ ELISA kits are Proteintech’s premium line of ELISA kits for measuring minute quantities of human serum factors.


View all AuthentiKine ELISA Kits

ELISA Kits for SARS-CoV-2 / COVID-19

Explore sensitive indirect and sandwich ELISA kits for detecting immunoglobulins against SARS-CoV-2.


View all SARS-CoV-2 related ELISA kits

How To Optimize Your ELISA Experiments

Before running your ELISA check out our technical tips to ensure you get accurate and consistent data. 


Read the blog


What can you expect from a Proteintech ELISA Kit?

  • 1
    Quick and simple to use.
  • 4
    Detects quantitative protein level in serum, plasma or supernatant of cell lysates.
  • 2
    High sensitivity and broad assay range.
  • 5
    Delivers consistent results with high reproducibility.
  • 3
    Kits conveniently include protein standards and strip-well plates.
  • 6
    Self-manufactured catalog with in-house validation.


Browse all ELISA Kits



 Terms and Conditions:

  1. This promotion is only available to customers based in the USA, Canada and Europe.
  2. Offer cannot be used in conjunction with any other offers or discounts.
  3. Offer is valid from July 1st - September 30th 2024.
  4. Purchase one full price ELISA kit and get a second half price.
  5. Discount is applied to product(s) of the lowest cost.
  6. This promotion is only applicable to ELISA kits.
  7. Discount may be applied to order of up to 10 ELISA Kits (up to 5 full price and 5 50% discounted per order).
  8. Shipping costs still apply.
  9. Offer is subject to stock availability.
  10. Available for direct order only.
  11. The promotion code must be entered at checkout or quoted on your email/fax order to be applied. We cannot apply the promotion retroactively.
  12. For further inquires, contact our customer service team or live chat.
  13. Proteintech has the right to cancel or refuse this promotion at any time.
  14. Personal data captured during this promotion will be processed in accordance with applicable data protection regulations and Proteintech's privacy policy. You will be able to, at any time, modify, update, or remove personal data by writing to / emailing Proteintech.