These tests may include 25 : Complete blood count (CBC) to screen for anemia and conditions affecting red or white blood cells or platelets Comprehensive metabolic panel to check kidney function and general health status Erythrocyte sedimentation rate (ESR) and/or C-reactive protein (CRP) to screen for inflammatory disorders Thyroid stimulating hormone (TSH) to rule out thyroid disease 25-hydroxy vitamin D to identify cases of deficiency Ferritin to assess iron status, especially in those with fatigue, cognitive dysfunction, restless leg syndrome, or a high risk of deficiency Vitamin B12 to test for deficiency, especially in cases involving cognitive dysfunction Various additional blood tests may be ordered when indicated to rule out other suspected diagnoses, such as autoimmune diseases, muscle diseases, neurologic disorders, and infections

A variety of xenobiotic-metabolizing enzymes contribute to the placental metabolism of several drugs and pollutants during pregnancy to produce metabolites that may have very different toxicity, but not necessarily greater than the parent compounds [11,112,132]
Fluorescence correlation spectroscopy and quantitative cell biology
This is why it is important that we get our B12 by either consuming or injecting it