- 1 What is the normal range for B12 levels?
- 2 What is considered a low B12 level?
- 3 What happens when your vitamin B12 is low?
- 4 What happens if Vitamin B12 is high?
- 5 Should I be worried if my B12 is high?
- 6 Is 400 a low B12 level?
- 7 How long does it take to recover from B12 deficiency?
- 8 What are the neurological symptoms of B12 deficiency?
- 9 How can I raise my B12 levels?
- 10 What does a B12 deficiency tongue look like?
- 11 Can low B12 cause weight gain?
- 12 What is the best B12 supplement?
- 13 What does high B12 mean in blood test?
- 14 Why do doctors check B12 levels?
- 15 What causes too much B12 in the blood?
What is the normal range for B12 levels?
Normal values are 160 to 950 picograms per milliliter (pg/mL), or 118 to 701 picomoles per liter (pmol/L). Normal value ranges may vary slightly among different laboratories.
What is considered a low B12 level?
Levels of vitamin B-12 are low if they are below 200 ng/mL. This result suggests a vitamin B-12 deficiency, pernicious anemia, or an overactive thyroid. People with low vitamin B-12 levels often experience neurological symptoms.
What happens when your vitamin B12 is low?
Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired. Vitamin B12 deficiency can cause damage to your nerves and can affect memory and thinking.
What happens if Vitamin B12 is high?
However, supplementing with excessively high levels of B12 has been linked to some negative side effects. Several studies have shown that megadoses of the vitamin can lead to outbreaks of acne and rosacea, a skin condition that causes redness and pus-filled bumps on the face.
Should I be worried if my B12 is high?
Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless prescribed by a healthcare professional. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
Is 400 a low B12 level?
Patients with serum vitamin B12 levels between 150 and 400 ng/L are considered borderline and should be evaluated further by functional tests for vitamin B12 deficiency.
How long does it take to recover from B12 deficiency?
Recovery from vitamin B12 deficiency takes time and you may not experience any improvement during the first few months of treatment. Improvement may be gradual and may continue for up to six to 12 months.
What are the neurological symptoms of B12 deficiency?
A lack of vitamin B12 can cause neurological problems, which affect your nervous system, such as:
- vision problems.
- memory loss.
- pins and needles (paraesthesia)
- loss of physical co-ordination (ataxia), which can affect your whole body and cause difficulty speaking or walking.
How can I raise my B12 levels?
To increase the amount of vitamin B12 in your diet, eat more of foods that contain it, such as:
- Beef, liver, and chicken.
- Fish and shellfish such as trout, salmon, tuna fish, and clams.
- Fortified breakfast cereal.
- Low-fat milk, yogurt, and cheese.
What does a B12 deficiency tongue look like?
B12 deficiency will also make the tongue sore and beefy-red in color. Glossitis, by causing swelling of the tongue, may also cause the tongue to appear smooth.
Can low B12 cause weight gain?
People with vitamin B12 deficiency are likely to experience a wide range of symptoms, though weight gain is unlikely one of them. If you’re experiencing unexplained weight gain, consider discussing it with your healthcare provider or a registered dietitian to determine the root cause.
What is the best B12 supplement?
The best B12 supplement
- Best B12 supplements of 2020.
- Jarrow Formulas’ Methyl B12: A previous favorite that’s held onto the top spot due to its special methylcobalamin formulation that’s easier to absorb than other types.
What does high B12 mean in blood test?
Elevated levels of serum cobalamin may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin.
Why do doctors check B12 levels?
Vitamin B12 deficiency can lead to problems with brain function, your nervous system, and other aspects of your health. It’s important to check your levels if there are any signs that they are low. Older adults are at increased risk for low levels of vitamin B12.
What causes too much B12 in the blood?
The most common cause of high B12 in the blood is due to recent ingestion or injection of supplemental vitamin B12. We don’t worry about overdosing on B12 supplements because excess can be excreted in your urine. It could also be possibly from your diet if high in animal products such as meat, eggs, and shellfish.