A vitamin B12 blood test is one way to know if you’re B12 deficient. Some people opt for a urine test instead. Learn when levels are low, normal, or high.

Three experts explain what to watch for and how to correct low stores of this B vitamin. By Jenny McCoy Feeling ...

Normal value ranges for vitamin B12 vary slightly among different laboratories and can range anywhere between 200 to 900 pg/mL. The general consensus is values less than 200 pg/mL constitute a B12 ...

Methods 4 children were identified in the last 5 years with a diagnosis of vitamin B12 deficiency (2006-2011). The age range was 11 months to 15 years. Parameters assessed were presenting symptoms, ...

On average, participants had low haemoglobin ... and improved vitamin B12 levels in the blood. Vitamin B12 deficiency is known to cause a range of health problems, from tiredness and weakness ...

Transcobalamin (TC) deficiency is a rare autosomal recessive inborn error of cobalamin transport which clinically manifests in early infancy. We describe a child with ...

All patients had hypogonadism and proteinuria and case 1 had glycosuria. All patients had normal 25-OH vitamin D, vitamin B12, PTH, serum protein electrophoresis, magnesium, CBC, calcium, CPK, ...