Fatigue and Energy, Page 3

The iron test is a blood test that measures the level of iron in the blood.

The procalcitonin (PCT) blood test is used to detect serious bacterial infections and strong inflammatory reactions in the body. Procalcitonin is a substance whose levels often...

Erythrocyte sedimentation rate (ESR) is a laboratory test that measures how quickly red blood cells settle at the bottom of a blood tube over the course of one hour....

The sGH (STH) test, i.e., the somatotropic hormone (growth hormone, GH), assesses its blood level.

The soluble transferrin receptor (sTfR) test measures the level of soluble transferrin receptor in the blood.  

The examination of vitamin A levels measures the amount of vitamin A (retinol) in the blood. This test is important for diagnosing a potential deficiency or excess of vitamin A...

A blood test for vitamin B12 is a laboratory examination used to measure the level of vitamin B12 in the blood. Vitamin B12, also known as cobalamin, is a key vitamin essential...

A vitamin B6 test is performed to determine the level of this vitamin in the blood.

A blood test for folate (folic acid) is a laboratory assessment that measures the level of folate (vitamin B9) in the blood. Folate is essential for DNA and RNA synthesis, cell...