Is B12 level of 200 low?
Understanding the Results But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.
What level of B12 is dangerously low?
What Abnormal Results Mean. Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.
What is the optimal B12 level?
The vitamin B12 standard reference range is 200–700 pg/ml whereas the proposed optimal range is 500–1300 pg/ml [10]. Higher vitamin B12 ranges have been associated with increased cognitive function, and reflexes, decreased brain atrophy, confusion, weakness and depression [10].
Why is my vitamin B12 so low?
Lack of vitamin B12 in your diet: People who don’t eat enough foods that naturally have vitamin B12 or don’t eat foods fortified with vitamin B12 can develop vitamin B12 deficiency. Gastritis: Gastritis is inflammation of the stomach lining, and it’s a common cause of vitamin B12 deficiency.
What are symptoms of low B12?
Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms. These usually develop gradually, but can worsen if the condition goes untreated.
- extreme tiredness (fatigue)
- lack of energy (lethargy)
- breathlessness.
- feeling faint.
- headaches.
- pale skin.
- noticeable heartbeats (palpitations)
What is borderline range B12?
Patients with B12 levels between 200 and 300 pg/mL are considered borderline, and further enzymatic testing may be helpful in diagnosis. Patients with B12 levels below 200 pg/mL are considered deficient. However, a low serum B12 level does not determine the etiology of the deficiency.
What level of B12 is dangerous?
Methylmalonic acid (MMA) B12 helps converting methylmalonyl CoA,one of the forms of MMA,into succinyl Coenzyme A.
What does it mean when your blood test shows high B12 levels?
High vitamin B12 is a symptom of an underlying illness that causes the amount in your blood to increase. For example, a damaged liver may release the vitamin out of storage and into the blood. In early stages, illnesses associated with high vitamin B12 often have generic symptoms, such as fatigue and loss of appetite.
What does a high B12 level mean?
High B12 levels in the blood can be the result of liver disease, kidney failure and blood cancers. There is also a condition where a person has too many white blood cells that causes high vitamin B12. These conditions, however, will all have other symptoms other than this blood test result, and your medical doctor will test if he suspects any
What does high B12 blood levels really mean?
Liver disease due to release of B12 from damaged liver cells into the bloodstream