Pooled Human Plasma Apheresis Derived Li Heparin 50ml - This Pooled Human Plasma is apheresis derived, from donors in an FDA-approved collection center. Each unit is tested for the standard FDA-required viral markers, and found negative using FDA-approved methods. When applicable a licensed NAT for Babesia has been performed and found to be non-reactive, if you would like any further testing or analysis performed prior to shipping, please let us know. While we make every effort to ensure the safety of our products, we recommend following universal precautions as laid out the following organizations WHO, CDC and OSHA, handle biological materials as if capable of spreading infectious disease. We are able to add to this Na Citrate-collected product an anticoagulant that will work best for your research. Our standard anticoagulant options include K2 EDTA, K3 EDTA, Na EDTA, Na Citrate, Na Heparin, and Li Heparin, with others available upon request. Shipped Froxen