Indirect indicators of proper nutrition (quantitative and qualitative) but also indicators of the liver metabolism and the immune system's general health correct function. Swelling in the lower limb, fevers, and bone pains are some of the indications of albumin disorders.

They are the main trace elements of man. Food malabsorption problems from a change in nutritional conditions, and an intake of medication, can remarkably modify their levels, degrading the overall health. Hives and muscle cramps are a strong indication of these trace elements' disorders.

The most important salts in the body are regulated through the kidneys. Overloading the kidney function and drug intake disturbs their levels and causes confusion, drowsiness, deterioration in mental functions, and disturbance of the heart function. Measurements of diuretic and cardiac drugs are absolutely necessary when the patient is lying down or has a limited perception of thirst.