When kidney functioning declines, direct special attention toward creatinine clearance, Bun, serum creatinine, albumin, phosphorus, and potassium serum levels. Albumin, in particular, is one indicator of outcome. Choose from among the above medical articles on Albumin. Albumin is like the glue that holds it all together. Doctors previously thought that individuals on dialysis needed more protein to raise serum albumin level. It turns out they need more of leucine, an essential amino acid. Essential amino acids designed specifically for kidney patients manufactured by Gambro and Calwood, contains 16% of leucine amino acid.