Save a life. Donate your plasma! Find out how becoming a plasma donor can make a difference for patients and help you earn extra money. PlasmaCare is a Grifols company that specializes in the collection of protein-rich plasma from donors to help create life-saving therapies for patients with diseases, such as immune deficiencies, hemophilia, genetic emphysema, hepatitis, tetanus and rabies. We encourage donors to donate on a routine basis, and we compensate them for their time.