Quick Answer: What Happens If Your B12 Is Low?

Do you need a prescription for B12 injections?

A B12 shot contains high levels of cyanocobalamin, which quickly elevates B12 levels in the body.

Injections are water-soluble, which helps your body store and use the vitamin as it’s needed.

Shots can be self-administered or given by a doctor.

You need a prescription for injections..

What level of vitamin B12 is too low?

Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.

What is the best B12 supplement?

1. Jarrow Formulas’ Methyl B12: A previous favorite that’s held onto the top spot due to its special methylcobalamin formulation that’s easier to absorb than other types.

How long does it take to recover from B12 deficiency?

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 long does it take to get B12 levels up?

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.

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 does a B12 deficiency tongue look like?

B12 deficiency will also make the tongue sore and beefy-red in color. Glossitis, by causing swelling of the tongue, may also cause the tongue to appear smooth.

Which fruits are rich in vitamin B12?

Here’s a list of vitamin B-12 foods to help you meet your nutrition goals:Clams. 84.1 mcg per 3 ounces. … Beef liver. 70.7 mcg per 3 ounces. … Fortified breakfast cereals. 6.0 mcg per 1/2 cup. … Salmon. 4.8 mcg per 3 ounces. … Trout. 3.5 mcg per 3 ounces. … Milk. 1.2 mcg per cup. … Yogurt. 1.1 mcg per cup. … Ham. 0.6 mcg per 3 ounces.More items…

Can lack of B12 cause joint pain?

Vitamin B12 deficiency is very common, especially with age, and can result in a number of symptoms such as fatigue, balance problems, anemia, numbness and tingling in the extremities, and joint pain.

What causes vitamin B12 deficiency?

However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. This type of anemia is called pernicious anemia.

When should I take B12 morning or night?

You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. Don’t take vitamin B-12 supplements if you have sensitivities or allergies to vitamin B-12, cobalt, and any other ingredients.

How can I raise my B12 levels fast?

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.Eggs.Dec 16, 2020

Is B12 deficiency serious?

If left untreated, the symptoms of vitamin B12 deficiency tend to worsen and irreversible problems involving the nerves and brain may develop. The risk of experiencing a number of serious complications, including heart failure, may also increase.

Should I take a B12 supplement?

An essential vitamin B12 (also known as cobalamin) is essential for keeping your brain and nerves healthy and for making DNA and red blood cells. B12 also helps lower levels of homocysteine, an amino acid linked (in high levels) to dementia, heart disease, stroke, and osteoporosis. We typically get B12 through diet.

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 …

What are the symptoms of low vitamin B12?

Symptoms of vitamin B12 deficiencya pale yellow tinge to your skin.a sore and red tongue (glossitis)mouth ulcers.pins and needles (paraesthesia)changes in the way that you walk and move around.disturbed vision.irritability.depression.More items…