Vitamin B12 matters for a healthy nervous system and for making blood cells. Here is what its level in your blood can mean.
| Category | Reference range |
|---|---|
| 200 | 900 pg/mL |
Reference ranges can differ from lab to lab and depend on the method used. Always check the range printed on your own lab report.
Vitamin B12 is an essential nutrient with a key role in how your nervous system works and how your body makes blood cells. It takes part in building DNA and helps keep nerve cells healthy. Measuring vitamin B12 in the blood gives a sense of whether you are getting enough of it from food and how well your body is absorbing it.
A high vitamin B12 level in the blood is less common, but it can point to certain conditions. It may be linked to disorders of the liver, the kidneys or the blood-forming system, for example. A high result can also simply come from taking too much of a vitamin supplement.
A low vitamin B12 level turns up more often. It may mean you are not getting enough from your diet, which is especially common in vegetarians and vegans. It can also point to trouble absorbing the vitamin in the stomach and intestines, which may be linked to atrophic gastritis or other digestive conditions. A shortage of vitamin B12 can lead to anemia and to problems with the nervous system.
Keep in mind that no single number can show the full picture of your health. A vitamin B12 level is best read alongside other test results and your symptoms. Discuss your results with your doctor to get an accurate interpretation and advice on what to do next.
No need to decode the numbers yourself: take a photo of the report and the app explains “Vitamin B12” and the rest in plain words — what is normal and what deserves attention.
Get the appOpen in TelegramTalk to your doctor about possible changes to your diet or about taking supplements. Treating yourself on your own is not a good idea.
It can be linked to liver or kidney conditions, and also to taking too much of a supplement.
A normal level is usually between 200 and 900 pg/mL, but check the range used by your own lab.
Yes — a vitamin B12 deficiency can lead to anemia, which causes fatigue and weakness.
This material is for general information only. It is not a medical opinion and does not replace a consultation with a doctor. Reference ranges depend on the laboratory and the method — rely on the range printed on your own report. Your doctor makes the final interpretation. This page is a translation of the Russian original. The medical review applies to the original text.
Ponyatno