Question: Does High B12 Mean Deficiency?

What causes high 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..

What food has b12 in them?

Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 is generally not present in plant foods, but fortified breakfast cereals are a readily available source of vitamin B12 with high bioavailability for vegetarians [5,13-15].

At what level should b12 be treated?

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.

How long does b12 deficiency take to correct?

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.

How do you know if your b12 is low?

You might lose your appetite, drop too much weight, or have trouble pooping (constipation). If your B12 levels are low, your doctor will often inject it into a muscle to be sure your body absorbs it. Sometimes, high doses of pills work just as well.

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 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. The laboratory diagnosis is usually based on low serum vitamin B12 levels or elevated serum methylmalonic acid and homocysteine levels.

What medications affect vitamin b12 levels?

Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers …

Can you have high b12 levels and still be deficient?

Serum B12 can be false normal or even false high, while a deficiency is present. A value above the reference value does not automaticcaly rule out a deficiency and a (slightly) lower value does not automatically mean a B12 deficiency, although a B12 value beneath 150 pmol/L has a specificity of 95% or more.

What does it mean if your b12 is too high?

People with low vitamin B-12 levels often experience neurological symptoms. High. An abnormally high vitamin B-12 status is anything over 900 ng/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.

Can anemia cause high b12?

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. For intrinsic factor antibodies and parietal cell antibodies.

How can I lower my b12 levels naturally?

You can change your diet to include vitamin B12-fortified grains, a supplement or B12 injections, or a high-dose oral vitamin B12 if you are deficient. Older adults who have a vitamin B12 deficiency will likely have to take a daily B12 supplement or a multivitamin that contains B12.

Which fruit is rich in vitamin b12?

Dietary sources of vitamin B12Vitamin B12 FoodServing sizeB12 (mcg)Salmon3 ounces4.9Tuna, canned3 ounces2.5Beef3 ounces1.510 more rows•Dec 20, 2018

Is it bad if your b12 is low?

Weakness and fatigue are common symptoms of vitamin B12 deficiency. They occur because your body doesn’t have enough vitamin B12 to make red blood cells, which transport oxygen throughout your body. As a result, you are unable to efficiently transport oxygen to your body’s cells, making you feel tired and weak.

What are the symptoms of high b12 levels?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause:Dizziness.Headache.Anxiety.Nausea.Vomiting.

Can too much b12 cause high blood pressure?

An elevated plasma homocysteine level is an established independent risk factor for cardiovascular disease. Moreover, a higher plasma homocysteine level has been linked with higher blood pressure. Dietary intake of vitamins B6, B12, and folic acid has been reported to reduce the plasma homocysteine level.

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 can lower your b12 levels?

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).

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.