Winter Antibody Special

Buy two 150ul size antibodies, get two 20ul size antibodies free. Valid in the US & Canada.


Order any two 150ul antibodies priced $299 and above and choose any two 20ul trial size antibodies ($99 value) for free. Valid in US and Canada only.

Choose from antibodies against over 12,000+ targets, all manufactured and validated by in-house scientists. 

To take advantage of this offer, place an order online using the code below.

 This promotion has now ended.

Offer ends March 31st, 2020

Shop now!
Click here to browse antibodies against over 12,000 targets

If you need assistance with ordering or have any questions relating to our products or services, please contact us or speak to a Proteintech representative via our 24-hour Live Chat.

Terms and conditions apply. Offer only available in US and Canada.

* 2 x 150ul antibodies and 2 x 20ul antibodies must be added to the basket for the promotional code to work. CoraLite antibodies are not available for free 20ul size.

Offer is applied to the initial order and cannot be redeemed at a later date.


Terms and conditions                                                                                                                                               

  • This promotional offer is only available to customers based in US and Canada.

  • This promotion allows the customer to choose any two free 20ul antibodies when any two 150ul antibodies are purchased at full $299 price or above. 

  • This promotion is valid on any 150ul/20ul antibodies currently available in the Proteintech catalog. Custom produced antibodies are not included.

  • This promotion is only valid from 01-06-2020 to 03-31-2020.

  • This promotion can only be used once in a single order. A maximum of 2 free 20ul antibodies per order, regardless of additional 150ul vials included in that order. Any additional antibodies in the same order will be charged at full price.

  • This promotion is valid on antibodies only. HumanKine Active Cytokines and Growth-Factors are not included. CoraLite antibodies not eligible for free 20ul trial size.

  • This promotion code cannot be used in conjunction with any other promotional offer.

  • This promotion is only valid for orders quoting the promotional code and cannot be redeemed after order has been placed.

  • The promotion code must be entered at checkout or quoted on your email/fax order to be applied to your order.

  • Proteintech reserves the right to cancel or refuse this promotion at any time.

  • Standard shipping costs will still apply.