High-quality red blood cells processed for integrity and consistency
We offer high-quality fresh human red blood cells from a diverse pool of healthy, consented donors. Each sample is processed promptly to maintain integrity and support a broad range of research applications.
Fresh red blood cells
Processed for purity and performance
Customisable options
Flexible delivery
Explore the research applications
Haematology research
Transfusion medicine
Parasitology studies
Drug development
Flexible & customisable biospecimens for your research
At Research Donors, we are committed to providing you with the samples you need for your research.
Whether you’re looking for specific anticoagulants, volumes, or donor profiles, our team is here to customise your order for optimal results.
Choice of anticoagulant
Choose from citrate phosphate dextrose (CPD) or K2EDTA for optimal RBC preservation.

Flexible volumes
Available in 4 mL, 10 mL, 50 mL, 100 mL, and 200 mL, with additional volume options upon request.

Donor selection
Select RBCs based on age, sex, health status, and other key donor characteristics.

What our customers say
How to order
Request a biospecimen collection
Design a custom collection based on your specific research needs
1. Specify your sample, donor & delivery criteria
2. Add to your selection to your quote
3. Submit the request from your basket
4. Your local distributor will be in touch to confirm
What are red blood cells?
Red blood cells are essential for oxygen transport and play a crucial role in various physiological processes. They serve as a vital resource in medical research, haematology and diagnostic test development.


Right donor.
Right sample.
Right time.
If you can’t see exactly what you need, our team is ready to collaborate on custom collections designed to meet your specific requirements.
Repeat donors for longitudinal studies
HLA-matched and tailored sample collections
Flexible volumes to support large-scale studies or specific applications
Ordering & delivery
We prioritise fast and reliable delivery to maintain sample viability
Same-day delivery options available in select UK locations
Standard next-day delivery across Europe
We're here to help
Whether you need more information about our donor collections or want to
discuss a custom request, our team is ready to assist.