- 1 What causes high B12 levels in blood?
- 2 Is B12 level of 1500 too high?
- 3 How do I lower my vitamin B12?
- 4 What causes high B12 and folate levels in blood?
- 5 Is High B12 a concern?
- 6 Can fatty liver cause high B12 levels?
- 7 What should your B12 level be?
- 8 Can your B12 levels fluctuate?
- 9 Can you have pernicious anemia with high B12 levels?
- 10 What are the symptoms of high B12 levels?
- 11 What foods have high B12?
- 12 How long does it take to get rid of excess B12?
- 13 What medical conditions cause high folate levels?
What causes high B12 levels in 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.
Is B12 level of 1500 too high?
There is no consensus on the definition of high or elevated B12. Previous studies have chosen a variety of levels to represent high or very high B12 (pmol/l) levels. Some examples include: 664.219; 5131; 700 (high) and 1500 (very high)11; and 601 (high) and 1000 (very high)10.
How do I lower my vitamin B12?
As summarized in the table provided, vitamin B12 (cobalamin) absorption and utilization by the body can be compromised with the chronic use of certain medications which include: colchicine, chloramphenicol, ethanol, histamine 2 receptor antagonists (H2RA), metformin, and proton pump inhibitors (PPI).
What causes high B12 and folate levels in blood?
However, if someone has a condition such as chronic myeloproliferative neoplasm, diabetes, heart failure, obesity, AIDS, or severe liver disease, then that person may have an increased vitamin B12 level. Ingesting estrogens, vitamin C or vitamin A can also cause high B12 levels.
Is High B12 a concern?
There is no upper limit for vitamin B-12 intake because consuming high levels does not cause problems. However, having naturally high levels of vitamin B-12 in the body may be a cause for concern, as it suggests a severe underlying condition.
Can fatty liver cause high B12 levels?
The levels of vitamin B12 were correlated with the stage of NAFLD, lipid profile and liver parameters. Results: Vitamin B12 levels were significantly lower in patients with NAFLD. Vitamin B12 levels inversely correlated with cholesterol and triglyceride levels.
What should your B12 level be?
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.
Can your B12 levels fluctuate?
Serum vitamin B12 levels can fluctuate significantly over time in the same individual. Median intraindividual variation is 23 percent (range: 0 to 119 percent). Absolute differences of more than 100 pmol/L have been seen in as many as 20% of patients during repeat testing.
Can you have pernicious anemia with high B12 levels?
A low level of vitamin B12 in the blood indicates pernicious anemia. However, a falsely normal or high value of vitamin B12 in the blood may occur if antibodies interfere with the test. Your homocysteine and methylmalonic acid (MMA) levels. High levels of these substances in your body are a sign of pernicious anemia.
What are the symptoms of high B12 levels?
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.
What foods have high B12?
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.
How long does it take to get rid of excess B12?
If a person stops consuming the vitamin, the body’s stores of this vitamin usually take about 3 to 5 years to exhaust. People should not take high doses of vitamin B12 as a cure-all, but otherwise the vitamin does not appear to be toxic; consuming excess amounts of B12 is not recommended.
What medical conditions cause high folate levels?
There are several other medical conditions that may increase folic acid needs including anyone taking medications for epilepsy, Rheumatoid arthritis, lupus, psoriasis, asthma, and inflammatory bowel disease; anyone with kidney disease who is on dialysis; anyone with liver, sickle cell, or celiac diseases.