Mar 19, 2024 · A vitamin B-12 test measures the amount of B-12 in your blood. Find out what your B-12 results mean and how to optimize your B-12 intake.

May 29, 2023 · Low levels of vitamin B12 can cause problems with your nervous system and blood cell production. A simple blood test can tell you whether your levels are low. Find out more from the experts...

Unfortunately, the regular total-B12 blood level test doesn’t tell us nearly as much as people think it does. This is due to a number of reasons: In most countries, the lower vitamin B12 range of what’s considered normal levels is too low (100-250), often missing severe deficiencies.

Jan 9, 2024 · The vitamin B12 level test checks how much vitamin B12 is in the body. The results can help doctors to determine if abnormal vitamin B12 levels are causing symptoms.

Talk to your provider about what your specific test results mean. Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this degree of deficiency are likely to have or develop symptoms. Deficiency should be confirmed by checking the level of a substance in the blood called methylmalonic acid.

It's crucial to interpret results in the context of your overall health and symptoms. If B12 deficiency is suspected, your doctor might also check your folate levels, as these deficiencies often occur together. A complete blood count (CBC) can reveal anemia, which is common in B12 deficiency.

Jan 15, 2025 · Preparing for a vitamin B12 blood test is straightforward but essential for accurate results: Fasting requirements: Some tests may require fasting for 6-8 hours before the blood draw. Confirm with your healthcare provider. Medication considerations: Inform your provider about any supplements or medications you take, as they may influence results.

Normal range for vitamin B12 is 200-900 ng/mL. Normal range and unit of measurement may vary between different laboratories. What does high level of Vitamin B12 mean? Vitamin B12 levels higher than 900 ng/mL indicates abnormally high levels of Vitamin B12. This could indicate liver or kidney problems, diabetes, or certain forms of leukemia.

Optimal Result: 232 - 1245 pg/mL, 171.22 - 918.81 pmol/L, or 232.00 - 1245.00 ng/L. Interpret Your Laboratory Results Now.

3 days ago · What does a vitamin B12 test do for you? Read the full article to find out.