IT PLAYS A CENTRAL ROLE IN THE COMPLEMENT SYSTEM AND CONTRIBUTES TO INNATE IMMUNITY. C3 HELPS THE BODY’S IMMUNE SYSTEM REACT TO INFLAMMATION AND INFECTION AND GLOBULINS CARRY SUBSTANCES THROUGH THE BLOODSTREAM. C3 AND C4 COMPLEMENT HELPS MONITOR THE CONDITION OF PEOPLE WHO HAVE KIDNEY DISEASE (NEPHRITIS) OR LUPUS.
COMPLEMENT C3 IS A PROTEIN OF THE IMMUNE SYSTEM. C3 AND C4 COMPLEMENT IS PARTS OF A GROUP OF GLOBULIN PROTEINS FOUND IN THE BLOOD.