However, it is extremely rare to have a high blood level from too much vitamin B12 in the diet. There are cases where an individual has an elevated vitamin B12 level that is seen as an incidental finding in someone who has not recently received a vitamin B12 injection or taken a vitamin B12 supplement.
In this case, you may actually have a B12 deficiency, even though you have high blood levels. Symptoms of a B12 deficiency include fatigue and weakness. Finally, high blood levels of B12 can be a sign of more serious health conditions, including liver disease and blood cancer.
This threshold has not been set for B12 because your body excretes whatever it doesn’t use through your urine. However, supplementing with excessively high levels of B12 has been linked to some negative side effects.
More Answers On Should I Be Worried If My B12 Is High
Signs and Symptoms of High B12 That You Should Tell Your Doctor
The B12 normal range for healthy adults is between 160 to 950 picograms per milliliter (pg/mL). Anything over 950 (pg/mL) is considered high. There are a few reasons why your blood levels may be elevated: If you’ve just had a B12 injection, your blood levels could be temporarily high.
What Do High B12 Levels Mean? – PA Relief
If your test shows excessive B12 levels – in the absence of supplementation – this may be a sign of liver disease or cell death (and the breakdown of tissues) that release the B12 back into your blood circulation. Therefore, hypercobalaminemia (high serum B12 levels) may be a warning sign of some serious underlying pathology:
What Happens When You B12 Is High? – Sublingual Vitamin B12
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.
How Much Vitamin B12 Is Too Much? – Healthline
Feb 15, 2022Since B12 is a water-soluble vitamin, it’s generally considered safe, even at high doses. No Tolerable Upper Intake Level (UL) has been established for B12, due to its low level of toxicity. UL…
How Dangerous Are High Vitamin B12 Levels? – People’s Pharmacy
Jul 11, 2022″A high B12 reading could indicate a methylation issue which causes the B12 to “pool” in one’s system because it can not be broken down and used properly. There is a low-cost blood test available that can detect this genetic defect. It is MTHFR.
My B12 levels are high but my doctor says it’s not a problem. Should I …
If you do not have a diagnosed (by a real doctor) deficiency and you are taking B12 supplements then you don’t need to waste your money on them. Stop taking the supplements. If you are not taking B12 supplements and your levels are very high then your doctor should investigate further with liver and kidney function tests.
What does it mean when your blood test shows High B12 Levels?
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.
What High B12 blood levels REALLY mean – The Nutrition Clinic
High Serum B12 Can Be Caused By A Functional B12 Deficiency. This means that there is enough B12 in the body, but the cells are not able to use it, so they export it back to the blood, and it builds up there, bound to haptocorrin. After a week, the haptocorrin-bound B12 is imported by the liver and recycled via the bile to the gut.
Help! Should I be worried? Extremely high B12 levels… could it be …
Codified approach is needed to determine the potential indications of the search for a hypervitaminemia B12 and practice what to do to pass before the discovery of a high serum level of cobalamin.” 2 comments
B12 Levels are too high – www.Easy-Immune-Health.com
My naturopath told me high levels can be because the B12 is not being utilized in the cells,that it is only in the blood and that you can be deficient despite the high level.There is another test which should be done to be sure. Yes, it’s a genetic test. by: Kerri Knox, RN.
High Vitamin B12: What Does That Mean? – SF Gate
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…
Why is my B12 level high? – Speaking of Women’s Health
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.
Causes of High Blood Levels of Vitamin B12 | Healthfully
Vitamin B12, or cobalamin, is important for the development of healthy red blood cells and proper nervous system function. The main dietary sources of vitamin B12 include meat, dairy and fish. While doctors are often more concerned with low vitamin B12 levels, high levels might also signal a serious medical problem. Elevated blood levels of …
Quick Answer: What Causes B12 To Be High – BikeHike
Oct 29, 2021Should I be worried if my B12 is high? 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.
What should I do if my vitamin B12 levels are too high? – Quora
Answer (1 of 7): I cannot imagine any way to have B12 levels that are too high except by taking very large amounts of supplements or B12 injections. If that is the case, then stop taking them and/or reduce the doses. The human body is very good at eliminating excess unused B vitamins through th…
Readers ask: What Causes High B12 Blood Levels?
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 B12 level of 1500 too high?
Vitamin B-12 level test: Uses, normal ranges, and results
Serum folate is the level of folic acid in the blood. High serum folate levels can mask the symptoms of vitamin B-12 deficiency and make its neurological symptoms worse. They can also increase the…
What Does A High B12 Level Mean? – Acupuncture
Choline is an essential part of our cell membranes. As noted in scenario number two, poor cell membranes can lead to high B12 levels. Because much of the choline and the cell membranes are produced in the liver, a compromised liver leads to compromised cell membranes. So when you have hepatitis or problems with your liver, this can lead to high …
What Are The Normal B12 Levels By Age? – Health CheckUp
Alteration is also found in normal B12 levels by age. Male children have a slightly lower level of Vitamin B12 as compared to female Children. Characteristics. Normal B12 Levels. Adult male and female. 200 pg/ml to 900 g/ml. 0-1 year (Male) 227 pg/ml to 1500 pg/ml. 0-1 year (Female)
Can a very high B12 blood test result… – Pernicious Anaemi…
Hi Miaa. You are quite right, as I have stated below, a person can be B12 Deficient at any Blood Serum level reading. This test is about as much use as a chocolate teapot. The B12 reading which is important, is the Holotranscobalamin level (aka the Active B12). this is acquired via a test called HoloTC level reading.
Signs Signs and symptoms of High B12 – Proper Nutrition …
Sep 5, 2020The 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.High serum folate levels can mask the symptoms of vitamin B-12 deficiency and make its neurological symptoms worse. They can also …
Signs and Symptoms of High B12 That You Should Tell Your Doctor
Still, high doses of B12 via supplements or injections may cause temporary symptoms. Dizziness, anxiety, headache and nausea are potential signs of elevated B12 levels, Mayo Clinic reports. According to WebMD, potential but unlikely side effects of B12 injections include muscle cramps, weakness and irregular heartbeat.
How Much Vitamin B12 Is Too Much? – Healthline
For reference, the recommended daily intake (RDI) of vitamin B12 is 2.4 mcg for both men and women, though pregnant and breastfeeding women have a higher need ( 12 ). Summary. Although there is …
How Dangerous Are High Vitamin B12 Levels? – People’s Pharmacy
Unless a doctor prescribes 1,000 mcg (1 mg) to correct a deficiency, most people should be taking a much lower dose of vitamin B12. Anyone taking high-dose supplements should make sure to have their vitamin B12 levels tested periodically. Persistently high results could signal a blood disorder, a malignancy or a problem with the liver or kidneys.
Should we worry about elevated B 12 levels in children? – OAText
While B 12 deficiency has been extensively studied, the importance of elevated B 12 is under investigation. High levels are described in adults with malignancies and many other conditions. Limited and conflicting data exists pertaining to children with elevated levels. Methods: A single institution retrospective study was conducted.
What should I do if my vitamin B12 levels are too high? – Quora
Answer (1 of 7): I cannot imagine any way to have B12 levels that are too high except by taking very large amounts of supplements or B12 injections. If that is the case, then stop taking them and/or reduce the doses. The human body is very good at eliminating excess unused B vitamins through th…
High B12 level – Nutrition – MedHelp
B-12 is better high than low. What your body does not need, it excretes in the urine. The original posters homeocysteine level was very high, that would worry me, it should be no higher than 6, a high homeocysteine level is not healthy for the heart, and the vitamin B-12, along with Folic acid and B-6 are needed.
Your B12 and Folic Acid Labs May Be Misleading You – Peoples Rx
The blood levels of B12 and Folic Acid can be misleading. If elevated, it does not automatically mean you should stop taking all B vitamins. It actually indicates that methylcobalamin (a form of B12) or methylfolate (the enzyme needed to convert folate to its active form) is necessary, and likely deficient. One key lab value that confirms this …
My B12 level came back very high – 1668. It says that
the most common cause of high B12 level is from diet. you can get B12 from multivitamins and from B vitamin supplements and also from foods like bread and cereals and pastas which are very commonly fortified with B12 vitamins. usually high B12 levels is not a sign of liver problems or cancer. hemoglobin of 10.9 is low. are you a woman or man?
B12 – Too High???? – DINET Dysautonomia Information Network
Posted October 23, 2007. Polycythemia Rubra Vera can be associated with high B12 levels. If you have had routine bloodwork done, polycythemia would be picked up by a very high haemoglobin and red cell count, and often high white cells and platelets too.
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