Question: Can You Have Too Much B12?

How can I get my b12 levels down?

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..

Are there any side effects taking vitamin b12?

What are the side effects of vitamin B-12?mild diarrhea.itching.skin rash.headache.dizziness.nausea.vomiting.pulmonary edema and congestive heart failure early in treatment.More items…

How much b12 do you need?

The typical general supplemental dose of vitamin B12 is 1-25 mcg per day: The recommended dietary allowances (RDAs) of vitamin B12 are: 1.8 mcg; older children and adults, 2.4 mcg; pregnant women, 2.6 mcg; and breast-feeding women, 2.8 mcg.

What does high b12 mean in blood test?

Usually, excess vitamin B12 is removed in the urine. Conditions that can increase B12 level include: Liver disease (such as cirrhosis or hepatitis) Myeloproliferative disorders (for example, polycythemia vera and chronic myelogenous leukemia)

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.

Can too much vitamin b12 cause high blood pressure?

Higher levels of homocysteine has been linked to cardiovascular disease. The exact cause of the link isn’t entirely understood, however. Vitamin B12 breaks down the amino acid in the body, and could therefore lower your risk of hypertension.

Why does b12 make me tired?

Constant fatigue is one of the main symptoms of a B12 deficiency, because when this vitamin is low, the body has fewer red blood cells. The primary job of those red blood cells is to transport oxygen from the lungs to other parts of the body.

What medications should not be taken with b12?

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 too much b12 cause neuropathy?

Vitamins E, B1, B6, B12, and niacin are essential for healthy nerve function. A B12 deficiency, for example, can lead to pernicious anemia, an important cause of peripheral neuropathy. However, too much B6 also can cause tingling in the hands and feet.

Can you have too much vitamin B?

You’re unlikely to get too much vitamin B complex from your diet. That’s because B complex vitamins are water soluble. That means they aren’t stored in your body but are excreted in your urine daily. You’re also unlikely to get too much vitamin B if you’re taking any supplementation as directed.

What are the symptoms of high b12 levels?

Low levels of the vitamin can cause neurological symptoms, as well as fatigue, constipation, and weight loss. High B-12 levels may indicate liver disease, diabetes, or another condition….Symptoms of pernicious anemia include:constipation.fatigue.loss of appetite.pale skin.weakness.weight loss.

Should I be worried if my b12 is high?

Ask the Nurse 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. However, it is extremely rare to have a high blood level from too much vitamin B12 in the diet.

Can diabetes cause high b12 levels?

For example, having diabetes mellitus can increase your risk of having a B-12 deficiency because it may be a side effect of metformin, a common treatment for type 2 diabetes mellitus. A 2009 study found that 22 percent of people with type 2 diabetes were low in B-12.

What happens if your b12 is too high?

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 is the treatment for high vitamin b12?

If you’re diagnosed with a B-12 deficiency, the goal of treatment is to increase your level of vitamin B-12. Your treatment may include: vitamin B-12 injection, with more frequent injections for those with severe deficiencies. daily vitamin B-12 supplements, such as Cyanocobalamin, which is a manmade vitamin B-12.

Does b12 make you gain weight?

Why a vitamin B12 deficiency is unlikely to affect your weight. Despite the numerous processes in which vitamin B12 is involved, there’s little evidence to suggest that it has any influence on weight gain or loss.

When should I take b12 morning or night?

B Complex Splitting the dose can ensure steady blood levels. B vitamins tend to boost energy, so take them in the morning; at night, they can lead to restlessness and insomnia. They’re best absorbed on an empty stomach, but if you have a sensitive tummy, take them with a little food.

How long does it take for b12 supplements to work?

A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells. Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.