buy direct or through our distribution partners

buy growth factors direct

Please place your order online (where you can upload a PO), or send by email to

Our team are always happy to help and if you need reserved stock from batches you have validated, bulk orders or any further information, please email or phone +44 (0) 1223 491486 / USA toll free 1-866 877 2185.

We accept the following currencies for online orders or purchase orders sent by email

  • GBP: Pound sterling (£)
  • EUR: Euro (€)
  • USD: United States (US) dollar (US$)
  • CAD: Canadian dollar (C$)
  • JPY: Japanese yen (¥)

To change the currency displayed on our website, simply click ‘currency’ on the top navigation bar and select your currency from the dropdown list.

We ship worldwide with rapid delivery, orders received before 12 pm (GMT) will be despatched same or next day.  We do not ship on a Friday to prevent delivery problems over weekends.

shipping costs

Until the end of 2021 we are offering free UK shipping on orders over £200!

UK £12.50 free shipping for orders over £1,000.00
Europe & Nordics € 30.00 free shipping for orders over € 1,000.00
USA $40.00 free shipping for orders over $1,000.00
Canada CAD 50.00 free shipping for orders over CAD 1,500.00
Japan ¥5,000.00 free shipping for orders over ¥150,000.00
ROW $60.00 free shipping for orders over $1,000.00

For priority delivery, or shipping on your courier account, please email

Please find our terms and conditions here. If you would like to purchase for resale or other commercial use, please contact us and we’ll be happy to help.

download the growth factor buying guide

Buy through local distributors


UK and Ireland 

2B Scientific Qkine Distributior UK Ireland and Nordics

2BScientific supply Qkine proteins in UK and Ireland. 2BScientific offer a 100% product satisfaction guarantee as well as price matching all its products and being carbon neutral.

Germany, Austria, Switzerland, Poland 

Biozol distributor logo

Biozol supply Qkine products to Central Europe. Biozol say ‘For our customers we overcome national borders, customs and import regulations. So, you receive for your research the perfect product, wherever it is manufactured.’

Nordic/Baltic regions

BioNordika supply Qkine proteins for customers in Denmark, Sweden, Estonia, Finland and Norway. “SCIENCE WHERE YOU ARE” is BioNordika motto, a concept that means local warehouse, local support and local language.


South Korea


MBL logo

MBL was founded in 1969, and since then has offered clinical diagnosis and research reagents that measure biomarkers such as disease related proteins and/or genes related to human diseases.



Axil Scientific supply Qkine products in Singapore. Axil scientific are committed to being attentive, continually innovating, seeking to create superior workflow and re-investing for the long term as they recognize that scientific endeavour is constantly moving forward.


Custom Science was established in April 2015 to deliver best in class products to the Australian Scientific Community. Custom Science represents a range of products and services for Genomics and Cell Biology.


Dornon Scientific distribute Qkine products in Israel. Dornon Scientific’s goal is to offer their customers an extensive and complete range of high quality products with high availability and competitive pricing for all their laboratory needs.

Any questions? Please get in touch, we’re here to help.