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For a healthy person, the dosage may vary from 1 to 5 mcg per day. When it is prescribed to treat neurological problems, the dosage can reach 15000 mcg per day. Vitamin B12 works better with cobamamide, that is a co-enzyme of the vitamin B12.

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11y ago
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2.5Mcg (micrograms)

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500mcg

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Q: How much vitamin b12 per day?
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Related questions

How many cc of VITAMIN b12 DO I GIVE per horse lb?

The standard dose of Vitamin B12 delivered by intramuscular injection is 1,000 mcg. This is equal to one syringe once per day.


How do you convert Vitamin B12 mcg to IU?

1000 mcg per 100 IU


How much vitamin B1 do you need?

About 1.4 mg per day.


What dosage of B12 Should i take a day?

Depending on your age, the dosage of B12 per day can vary anywhere between .4 micrograms and 2.8 micrograms.


Is 20000 IU of Vitamin A too much to take per day?

Chronic toxicity can occur at 4,000 IU/kg per day. However, liver toxicities can occur as low as 15,000 IU per day. Since vitamin A is a fat-soluble vitamin, it is important not to supplement too much, especially since it is often taken in through diet anyway. While vitamin A is better consumed in the beta-carotene form, it is much more healthy to consume vitamin A through diet than through supplementation.


What liquid vitamin b supplements are there?

Apex Energetics makes a wonderful (seriously great) liquid Vitamin B12 supplement (and I am sure other liquid supplements with full Vitamin B ranges). If you search Apex Energetics you will find it (I get it from NaturalHealthyConcepts.com, but there are a lot of online suppliers). I had a Vitamin B12 deficiency so low that my doctor was making me come in for shots which I hate, but then I started taking Apex's Vitamin B12 (10 drops under tongue 3x per day) and my B12 is way up and perfectly healthy now without any shots (even though I only got one b/c I avoided the rest and it was still low in following blood tests before I started taking the liquid drops).


What is another name for vitamin c and how much of it should a person have per day?

Ascorbic acid.About 100mg


How much Vitamin E per day?

The recommended daily allowance for Vitamin E is 500 IU. Vitamin E should only be taken be people who are 18 years of age or older.


Vitamin B12?

DefinitionVitamin B12 is a water-soluble vitamin. Water-soluble vitamins dissolve in water. After the body uses these vitamins, leftover amounts leave the body through the urine.Typically, water-soluble vitamins can not be stored by the body. Vitamin B12 is special, because the body can store it for years in the liver.Alternative NamesCobalamin; Deficiency - B12FunctionVitamin B12, like the other B vitamins, is important for metabolism. It helps in the formation of red blood cells and in the maintenance of the central nervous system.Food SourcesVitamin B12 is found in eggs, meat, poultry, shellfish, milk, and milk products.Side EffectsVitamin B12 deficiencies occur when the body is unable to properly use the vitamin. Pernicious anemia can make the body unable to absorb vitamin B12 from the intestinal tract.Because vitamin B12 comes primarily from animal products, people who follow a strict vegetarian or vegan diet and do not consume eggs or dairy products may require vitamin B12 supplements. (Non-animal sources of vitamin B12 exist but are highly variable in their B12 content. They are considered unreliable sources of the vitamin.)Those who had surgery on specific parts of the small intestine or stomach are also prone to a deficiency if they do not take B12 supplements.Low levels of B12 can cause anemia, numbness or tingling in the arms and legs, weakness, and loss of balance.RecommendationsThe Food and Nutrition Board at the Institute of Medicine recommends the following dietary intake for vitamin B 12:Infants0 - 6 months: 0.4 micrograms per day (mcg/day)7 - 12 months: 0.5 mcg/dayChildren1 - 3 years: 0.9 mcg/day4 - 8 years: 1.2 mcg/day9 - 13 years: 1.8 mcg/dayAdolescents and AdultsMales and females age 14 and older: 2.4 mcg/daySpecific recommendations depend on age, gender, and other factors (such as pregnancy). Women who are pregnant or producing breast milk (lactating) need higher amounts. Ask your health care provider which amount is best for you.The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods from the food guide pyramid.ReferencesRakel D, ed. Integrative Medicine. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2007.Hamrick I, Counts SH. Vitamin and mineral supplements. Wellness and Prevention. December 2008:35(4);729-747.Mason JB. Vitamins, trace minerals, and other micronutrients. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 237.Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes: Thiamin, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline. Washington, DC: National Academy Press; 1998.


What is the maximum amount of vitamin a per day?

The absolute upper limit of Vitamin A is 10,000 international units per day for an adult. It's much less than that for someone under 18, and for a one-year-old the absolute maximum is 1000 units per day. Vitamin A is one vitamin you absolutely must not, whatever you do, overdose on. It can kill you dead if you take too much of it.


How Much Vitamin a Is In Milk Per Serving?

Depends on what kind of vitamin you're talking about.


How much vitamin c tablets you can take per day to lose weight fast?

There are no vitamins or other products that will "burn" belly fat. Vitamin C is for your immune system, not for fat. To get rid of belly fat, you need to stop eating junk food, stop drinking sodas and energy drinks, and start eating healthy food in smaller portions, plus get some exercise to burn off the fat.