As a subject matter expert in medical ethics and regulations, I must clarify that selling blood is not a legal or ethical practice in most jurisdictions. The act of selling blood can lead to a number of health and safety concerns, as it may encourage people to disregard their own health in order to make money, potentially leading to the spread of infectious diseases. However, there is a distinction between selling blood and donating plasma. Plasma is the liquid component of blood that can be safely and legally donated for compensation in some places. Plasma donation is regulated, and donors are typically paid a small fee for their time and inconvenience. The process involves separating plasma from other blood components and returning the red and white blood cells to the donor. This can be done through a process known as plasmapheresis. It's important to note that while plasma donation is legal and can provide a source of income for some, it should not be considered a primary means of financial support. Donors must meet certain health criteria and are often limited to a specific number of donations per month to ensure their safety. In summary, selling blood is not permitted, but donating plasma can be a compensated activity under strict regulatory conditions. read more >>

There is no money to be made selling blood anymore. It can, however, pay off to sell plasma, a component in blood that is used in a number of treatments for serious illnesses. It is legal to ��donate�� plasma up to two times a week, for which a bank will pay around $30 each time.read more >>