Donating Plasma

Blood plasma is the liquid component of blood. Plasma is the largest single component of blood, making up about 55% of total blood volume. Blood plasma contains many vital proteins including fibrinogen, globulins and human serum albumin.

Serum refers to blood plasma in which clotting factors (such as fibrin) have been removed naturally by allowing the blood to clot prior to isolating the liquid component.

Plasma is mainly composed of water, blood proteins, and inorganic electrolytes. It serves as transport medium for glucose, lipids, amino acids, hormones, metabolic end products, carbon dioxide and oxygen.

Learn more about blood donations, blood plasma donations, and related health topics.

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NHS lifetime ban on 'high-risk' gay men donating blood to be reviewed

A longstanding ban that prevents gay and bisexual men from giving blood is being reviewed and could be overturned as early as next year, the Government has said. Men who have had sex with other men are currently banned for life from donating blood, under measures designed to reduce the risk of passing on infections such as HIV. But gay rights campaigners have condemned the policy as being irrational. The Advisory Committee on the Safety of...

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