How many 1000 mcg B12 can I take a day?

Vitamin B12 dosage and frequency

But dosages can vary depending on if you're treating severe, mild, or asymptomatic B12 deficiency. For vitamin B12 pills, most people take these daily in doses recommended by their doc but taking 1,000 mcg daily is pretty standard.

Can I take 2 B12 1000 mcg?

While megadoses of up to 2,000 mcg are considered safe in treating B12 deficiency, it's always best to avoid excessive amounts of any vitamin, especially when it's not needed.

How often should you take 1000 mcg of B12?

The usual dose for: diet-related deficiency is 50 micrograms to 150 micrograms, taken once a day. B12 deficiency not caused by your diet is one to two 1,000 microgram tablets, taken once or twice a day – this is usually if you cannot have vitamin B12 injections.

Is 10000 mcg of B12 a lot?

Supplementation of 25-100 mcg per day has been used to maintain vitamin B12 levels in older people. For vitamin B12 deficiency: Vitamin B12 doses of 300-10,000 mcg daily have been used. However, some evidence suggests that the most effective oral dose is between 647-1032 mcg daily.

Is 1000mcg too much B12?

High doses of B vitamins over 1,000 mcg have also been associated with complications in people with kidney disease ( 22 ). Furthermore, extremely high blood levels of B12 in mothers was connected to a higher risk of autism in their children ( 23 ).

Ask Dr. Nandi: Should you take Vitamin B12 to boost mood?

Can you overdose on vitamin B12?

You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may experience side effects like dizziness, nausea, and fatigue. It is possible to have elevated B12 levels in blood tests, which may indicate cancer or diabetes.

What are the side effects of B12 1000 mcg?

Is it OK to take 2 500 mcg of B12 a day?

Cobalamin Has Few Side Effects

Fortunately, the authors of a 2018 report in Food Fortification in a Globalized World concluded that even large doses of B12 remain safe, so 2,500 micrograms shouldn't pose a health problem.

What does 1000 mcg stand for?

As such, "B12 vitamin 1,000 mcg" refers to a high dose (1,000 micrograms) of vitamin B12 suitable for someone with nutrient absorption issues or pernicious anemia.

Is B12 level of 1200 too 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.

What is vitamin B12 1000 mcg good for?

Vitamin B12 is a nutrient that helps keep your body's blood and nerve cells healthy and helps make DNA, the genetic material in all of your cells. Vitamin B12 also helps prevent megaloblastic anemia, a blood condition that makes people tired and weak.

Can I take 1500 mcg B12 daily?

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.

How much B12 should a woman over 50 take daily?

The latest guidelines recommend 2.4 micrograms per day of vitamin B12 for those aged 51 and older. Most daily multiple vitamins supply this amount.

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 vitamin B12 damage your liver?

Vitamin B12 therapy has not been linked to ALT elevations or to clinically apparent acute liver injury. Likelihood score: E (unlikely cause of liver injury).

When should I take B12 morning or night?

As a general rule of thumb, take your B vitamins in the morning or with a meal. Vitamin B12, for example, should definitely be taken in the morning. This is because it is important for energy metabolism, which may interrupt your sleep if taken at night.

Does vitamin B12 cause weight gain?

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.

What does a B12 overdose feel like?

Potential symptoms of a B12 overdose include: Tingling/Numbness of the fact, arms, and hands. Mild diarrhea. Anxiety/Panic.

What are the symptoms of low B12?

What does MCG mean in vitamin B12?

Unlike some vitamins, vitamin B12 is measured in micrograms, not milligrams. A microgram is a thousandth of a milligram, so 500 mg of vitamin B12 is 500,000 micrograms. The recommended daily intake is between 2 and 2.8 micrograms. However, you can safely go well beyond that number.

Can you overdose on vitamin B?

Mild overdose of Vitamin B can cause problems like Headache, Upset stomach, and Weakness of the body. Acute overdose can cause symptoms like Cardiac arrhythmia i.e, irregular heartbeats, Hypotension, convolutions, a key symptom for thiamine overdose is lips turning blue.

Why is my B12 over 2000?

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 should a women's B12 level be?

Normal values are 160 to 950 picograms per milliliter (pg/mL), or 118 to 701 picomoles per liter (pmol/L).

Can too much B12 cause neuropathy?

Thus, vitamin B12 may be associated with both sensory and motor peripheral nerve function. In older adults, the prevalence of poor peripheral nerve function and neuropathy is high and increases with age^18–21.