what is albumin
By Donna Swartzendruber, MSN, RN, CNN. Albumin is the most common protein found in the blood. It provides the body with the protein needed to both maintain growth and repair tissues. During a dialysis treatment, the albumin in your blood also helps with fluid removal.lbumin is the most common protein found in the blood. It provides the body with the protein needed to both maintain growth and repair tissues.