Urea
Type:
Waste Product
Primary Function:
Measures kidney function
Normal Values:
2.5-8.0 mmol/L
Pathological Values:
>8 mmol/L
Symptoms/Pathology in Deficiency:
Low levels often indicate decreased protein intake
Elevated urea levels can signal kidney function issues and, although non-toxic, can cause headaches, fatigue, or vomiting when concentrations are high.
Symptoms/Pathology in Increase: