What are the symptoms of high B12 levels?

How do you feel when your B12 is high?

In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues. Pregnant and breastfeeding women may also need to be especially mindful of B12 levels.

Should I be worried if my B12 is high?

Excess B12 is either stored in the liver, present in the blood without any adverse effects, or excreted. There are no studies investigating the potential clinical effects of high B12 because, in general, there are no known adverse effects caused by elevated B12.

What does it mean if your B12 is too high?

An abnormally high vitamin B-12 status can be an early sign of liver disease, diabetes, or certain types of leukemia. A doctor may use the results of a vitamin B-12 test to help form their diagnosis.

How do I lower my B12 levels?

Research has suggested that the consumption of alcohol may reduce vitamin B12 levels. An older study indicated that moderate alcohol intake diminished vitamin B12 by 5% among “healthy, well-nourished, postmenopausal women.”

What are the Side Effects of Over Dosage of Vitamin B Overdose? | Vitamin B Overdose | Vitamin B12

How long does it take to get rid of excess B12?

Unlike most other vitamins, B12 is stored in substantial amounts, mainly in the liver, until it is needed by the body. If a person stops consuming the vitamin, the body's stores of this vitamin usually take about 3 to 5 years to exhaust.

Can high B12 be treated?

Specific correction of the hypervitaminemia B12 can frequently be obtained by treatment of the underlying disorder.

What cancers cause high B12?

Other studies focusing on specific cancers have shown a strong association between elevated B12 levels and liver cancers (OR 3.3 [95%CI: 1.1–10.4] for hepatocellular carcinomas and OR 4.7 [95%CI: 1.2–17.9] for other liver cancers) [16], a moderate association with prostate cancer (OR 1.1 [95%CI: 1.0–1.2]) [17], and no ...

What foods to avoid if B12 is high?

Reduce the amount of animal-derived foods that appear in your diet, as they contain vitamin B12. These include meat, poultry, dairy and shellfish.

Can high B12 be toxic?

Since 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.

What foods causes B12 to be high?

It's found in large amounts in animal products, fortified foods, and dietary supplements. Some of the richest sources are liver, beef, sardines, clams, and dairy products. Whether you want to increase your vitamin stores or prevent deficiency, eating these foods may considerably improve your overall health.

Can B12 cause neuropathy?

B12 deficiency may cause demyelination of nerves in the peripheral and central nervous system¹³ and has been associated with peripheral neuropathy, loss of sensation in peripheral nerves, and weakness in lower extremities in older adults^{1, 14–16}.

What autoimmune diseases cause high B12 levels?

Significantly Elevated Vitamin B12 Levels in Autoimmune Lymphoproliferative Syndrome (ALPS), a Rare Lymphoproliferative Disorder with Apoptosis Defect | Blood | American Society of Hematology.

Does high B12 mean liver damage?

Vitamin B₁₂ is stored primarily in the liver, and highly elevated serum vitamin B₁₂ levels occur in acute hepatitis and severe alcoholic liver disease.

Does your body flush out extra B12?

The body will typically excrete excess vitamin B-12 that a person gets from the diet or via supplements. The body does not absorb vitamin B-12 supplements very effectively. This means that even if a person takes very high amounts of vitamin B-12, their body still does not absorb a significant amount.

What level of B12 causes neurological symptoms?

Patients with neurological symptoms, serum B12 level lower than 200 pg/mL, and with normal folic acid levels were included in the study.

Can too much B12 cause numbness and tingling?

In rare cases, people who take high doses of vitamin B for a long period of time may experience extreme numbness or a tingling sensation. In some patients, tingling sensation is experienced mostly in the right side of the body. This symptom is one of the early warning indicators of Vitamin B12 overdose.

Can B12 affect your feet?

Vitamin B₁₂deficiency symptoms may include: strange sensations, numbness, or tingling in the hands, legs, or feet. difficulty walking (staggering, balance problems)

Can B12 cause tingling in feet?

Tingling hands or feet

Vitamin B-12 deficiency may cause “pins and needles” in the hands or feet. This symptom occurs because the vitamin plays a crucial role in the nervous system, and its absence can cause people to develop nerve conduction problems or nerve damage.

How do you flush out excess vitamin B?

Increase Fluids

Since B vitamins are water-soluble, adding more fluid to your body helps remove them before they undergo absorption. Your health care provider may suggest consuming a large quantity of water in a short amount of time to flush excessive B vitamins out of your bloodstream.

What causes high B12 in elderly?

Elevated cobalamin levels often accompany diseases such as leukemia, myeloproliferative disorders, hypereosinophilic syndrome, and metastatic cancer—especially when involving the liver.

What happens to your body if you have too much vitamin B?

Very high overdose of vitamin B can cause liver damage, jaundice, and stomach ulcers. There's also a typical side effect referred to as “Niacin Flush” which induces symptoms like burning, tingling, and itching sensation in the face and chest area along with severe dizziness.

What is normal level of vitamin B12 in elderly?

A serum vitamin B₁₂ level between 200 pg/mL and 900 pg/mL is considered normal, but a threshold of 300 to 350 pg/mL is recognized as a marker for a desirable status in the elderly.

Does B12 affect circulation?

Vitamin B12 is most beneficial for circulation as it helps to keep nerve and blood cells working well. Without enough vitamin B12, the body may not be able to create enough red blood cells to transport oxygen around the body.

What vitamin stops tingling in hands and feet?

B vitamins for neuropathy. B vitamins are useful in treating neuropathy since they support healthy nervous system function. Peripheral neuropathy is sometimes caused by a vitamin B deficiency. Supplementation should include vitamin B1 (thiamine and benfotiamine), B6, and B12.