Should I stop taking vitamin B12?

You may be able to stop taking cyanocobalamin when your vitamin B12 blood levels are back to normal. However, you may need to take it for the rest of your life if your diet does not have enough vitamin B12 or you cannot absorb enough vitamin B12 from your food.

Can I stop B12 supplements?

The bottom line. If you develop any side effects from taking vitamin B-12, you can stop taking the supplement and the symptoms should subside. After this, you'll need to determine either an appropriate dose or how to get the vitamin B-12 you need from food sources.

Is there a downside to taking B12?

Vitamin B12 benefits include forming red blood cells, preventing dementia, and reducing birth defects. Vitamin B12 is found in foods like meat, eggs, dairy, and fish. Side effects of B12 are rare but can include headaches, anxiety, and nausea.

How long should I take B12 supplements?

However, B12 supplements have been found to improve energy levels in those who are deficient in this nutrient ( 17 ). One review recommended that those with vitamin B12 deficiency take 1 mg of vitamin B12 daily for a month, followed by a maintenance dose of 125–250 mcg per day ( 18 ).

Can I take vitamin B12 regularly?

People over 50 years of age are advised to eat foods fortified with vitamin B12 or to take a vitamin B12 supplement. 25-100 mcg daily has been taken by mouth to maintain vitamin B12 levels in older adults. Speak with a healthcare provider to find out what dose might be best for a specific condition.

⚠️ Top 10 DANGERS of Vitamin B12 Deficiency ▶ BEWARE ❗

What happens if your B12 is too high?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache. Nausea and vomiting. Diarrhea.

What happens when vitamin B12 is very high?

High. An abnormally high vitamin B-12 status is anything over 900 pg/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.

Is it OK to take 1000 mcg of B12 a day?

What is the dosage for cyanocobalamin tablets? The recommended dose for treating vitamin B12 deficiency is 1000 mcg daily. The recommended dose for preventing vitamin B12 deficiency is 1500 mg or 2500 mcg (sublingual tablets) daily.

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 tingling?

Tingling sensation or Numbness

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 vitamin B12 cause heart problems?

Macrocytosis associated with vitamin B12 deficiency is also associated with fatal and non-fatal coronary disease, myocardial infarction, stroke, and other circulatory health problems.

How long does it take to recover from B12 deficiency?

Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it's a good idea to address what's causing the deficiency.

What are the symptoms of B12 deficiency?

Does B12 raise blood pressure?

We found that a higher intake of vitamin B12 was associated with lower systolic and diastolic blood pressure and a higher intake of folic acid was associated with lower systolic blood pressure in children.

How much B12 does a woman need?

Who needs more B12? Most women get the recommended daily amount — 2.4 micrograms (mcg) for most adults, 2.6 mcg for pregnant women, and 2.8 mcg for women who are breastfeeding — in their diets.

What vitamins should I not take together?

Can you get 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.

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 B12 deficiency affect eyesight?

Vitamin B12 (also known as cobalamin) is an essential vitamin for neurological function. Vitamin B12 deficiency optic neuropathy is a rare complication of this deficiency that results in progressive, bilateral, painless vision loss that is often associated with reduced color vision and central or cecocentral scotomas.

Does exercise affect B12 levels?

Conclusion: Regular moderate exercise training decreased plasma folate and increased plasma vitamin B12 levels. However, no significant changes in plasma folate and vitamin B12 concentrations were observed by increasing duration of acute aerobic exercise.

Can vitamin B12 cause heart palpitations?

Symptoms of Vitamin B12 Deficiency

A mild deficiency may cause no symptoms. But if untreated, it may lead to symptoms such as: Weakness, tiredness, or lightheadedness. Heart palpitations and shortness of breath.

Can vitamin B12 cause fast heart rate?

5. Fast heart rate. Share on Pinterest A fast heart rate and shortness of breath may be symptoms of vitamin B-12 deficiency. A fast heart rate may be a symptom of vitamin B-12 deficiency.

Can vitamin B12 cause insomnia?

The direct relationship between insomnia and vitamin B12 levels is yet to be established. However, vitamin B12 deficiency is known to be involved in the pathophysiology of depression, which can commonly be associated with insomnia [19].

Can vitamin B12 cause joint pain?

Not getting enough vitamin B12 to the point of a deficiency can cause a variety of serious symptoms including depression, joint pain, and fatigue. Sometimes these effects can be debilitating to the point where you might think you're dying or seriously ill.