Is 5000 mcg of vitamin B12 too much to take?

Summary answer

Since B12 is a water-soluble vitamin, it’s generally considered safe, even at high doses. No Tolerable Upper Intake Level (UL) has been established for B12, due to its low level of toxicity.

How much B12 MCG can you take a day?

The recommended daily amount of vitamin B-12 for adults is 2.4 micrograms.

What is 5000 mcg B12 used for?

B12 5000 mcg Fast Absorption; Fast-dissolving sublingual tablets accelerate absorption to help quickly boost energy production and metabolism. Essential B12 Support; Vitamin B12 supplementation may be particularly beneficial for vegetarians, vegans, and people suffering from age-related degenerative conditions.

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 happens when vitamin B12 is very high?

Elevated levels of serum cobalamin may be a sign of a serious, even life-threatening, disease. Hematologic disorders like chronic myelogeneous leukemia, promyelocytic leukemia, polycythemia vera and also the hypereosinophilic syndrome can result in elevated levels of cobalamin.

How much vitamin B12 should I take a day?

Vitamin B12 is an essential nutrient. Fish, shellfish, meat, eggs, and dairy products are good sources of vitamin B12. The amount that should be consumed on a daily basis is called the recommended dietary allowance (RDA). The RDA is 2.4 mcg daily for people 18 years and older.

Can you overdose on vitamin B12?

No, you cannot overdose on B12 Vitamin B12 is a water-soluble vitamin, meaning it dissolves in water and is quickly absorbed by the body. It is stored in the liver and whatever your body doesn’t use is excreted through urine, Allen says. Even in high doses, your body can only absorb a fraction of B12 supplements

How much B12 should a senior take daily?

Dosages for Older People Around this age, you should be getting around 2.4 micrograms of B12 a day. Not only does this mean consciously eating foods that contain vitamin B12 but it also means that you should ingest this vitamin as a supplement. By taking supplements, you will ensure that your body absorbs vitamin B12.

What are the side effects of B12 1000 mcg?

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.Meer items…

How much B12 should a woman over 50 take daily?

Vitamin B12 Time Release provides 1,000 mcg of vitamin B12. Vitamin B12 not only helps convert the food you eat into cellular energy, it’s also important for proper red blood cell formation and the normal function of your nervous system.

What does B12 1000 mcg do?

Vitamin B12 Time Release provides 1,000 mcg of vitamin B12. Vitamin B12 not only helps convert the food you eat into cellular energy, it’s also important for proper red blood cell formation and the normal function of your nervous system.

What level of B12 is dangerously high?

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 …

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.

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