This profile helps in determining the causative factors of long-term fatigue and weakness. The profile includes an assessment of key vitamins, minerals and essential parameters, deficiency of which may cause fatigue. Additionally, it also includes an inflammatory marker, liver enzymes, electrolytes, blood counts along with a complete kidney function test, tests for diabetes, cortisol-the bodies stress hormone as well as urine analysis to ascertain the cause of fatigue. ANA (antinuclear antibody) screening for autoimmune disorders is also included in the fatigue profile.