Spend more, Save more

The Spend More, Save More is back in 2022


The spend more, save more promotion is back with an opportunity to save up to $600 on all Proteintech products. Mix and match your favorite Proteintech, CHromoTek & HumanKine products. Use th elinks below to brows available products. 

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

Promo code will be available 8/18/2022.

Offer ends Oct. 31, 2022. Only valid in the US & Canada.

Antibodies against 13,000 human targets

HumanKine human cell-expressed cytokines and growth factors**

Nano-Traps for IP (10 and 20 reactions size)*

IHCeasy Ready-to-use IHC kits

Epitope tag & loading control antibodies Nano-Secondary® reagents*

Sandwich & AuthentiKine ELISA kits

Isotype Control Chromobodies®*

CoraLite® conjugated antibodies

Magnetic Cell Separation Systems Nano-Boosters & Nano-Labels*

Secondary antibodies

Cell health & proliferation kits Nano-Caps®*

NeutraKine™ neutralizing antibodies


Protein ladders Phantom Viability dyes Spot Capture and Detection System

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.

* A single product in this category must not exceed $500 to qualify.

**HumanKine proteins over 10ug are excluded from this promotion. GMP proteins are not included regardless of size.


Terms and conditions

  1. This promotional offer is only available to customers based in Europe only. Offer is not valid in the UK. Click here for UK promotion.

  2. This promotion is only valid until 30/11/2021.

  3. The discount cannot be applied to custom production projects, any ChromoTek product over 500, or GMP HumanKine products.

  4. Promotion includes all ChromoTek products with list prices below 500 Euro. Not in combination with other discounts or test samples. Void where prohibited.

  5. All sizes of GMP grade HumanKine are excluded from this promotion.

  6. Only one tier of discount (€100, €200, €300, or €650) is applicable to each order, dependent on the total order value. If the total order value exceeds €2,000, the maximum discount available remains 650.

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

  8. The SPENDSAVE21 promotion code must be entered at checkout or quoted on your email/fax order to be applied to your order. We cannot apply the promotion retroactively.

  9. Available for direct orders only.

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

  11. Usual shipping costs will still apply.