kinds of b12 vitamins
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Vitamin B12 Background. Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods, such as fish, shellfish, meat, eggs, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.ackground. Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods, such as fish, shellfish, meat, eggs, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.
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What is vitamin B12 used for? All B vitamins are water soluble, meaning that the body does not store them. Vitamin B12 is an especially important vitamin for maintaining healthy nerve cells, and it helps in the production of DNA and RNA, the body's genetic material. Vitamin B12 works closely with vitamin B9, also called folate or folic acid, to help make red blood cells and to help iron work better in the body. Folate and B12 work together to produce S-adenosylmethionine (SAMe), a compound involved in immune function and mood.
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Healthy Foods that Contain Vitamin B12 Vitamin B12 is also known as cobalamin. In most nutritional supplements, B12 comes as cyanocobalamin, which breaks down in a healthy body into two active forms of cobalamin: methylcobalamin and 5-deoxyadenosyl cobalamin.itamin B12 is also known as cobalamin. In most nutritional supplements, B12 comes as cyanocobalamin, which breaks down in a healthy body into two active forms of cobalamin: methylcobalamin and 5-deoxyadenosyl cobalamin.
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Vitamin B12 Background. Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods, such as fish, shellfish, meat, eggs, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.cid in the stomach releases B12 from protein during digestion. Once released, B12 combines with a substance called intrinsic factor (IF) before it is absorbed into the bloodstream. The human body stores several years' worth of vitamin B12 in the liver, so low levels in the body are rare.
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Vitamin B6 Poultry and eggs also contain vitamin B12. 1  Includes a variety of vegetables, fruits, whole grains, fat-free or low-fat milk and milk products, and oils. 2  Includes a variety of protein foods, including seafood, lean meats and poultry, eggs, legumes (beans and peas), nuts, seeds, and soy products.
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Cyanocobalamin The two bioactive forms of vitamin B12 are methylcobalamin in the cytosol and adenosylcobalamin in mitochondria. For humans vitamin B12 is only present in animal products (ox liver, mackerel and ox meat) - Reference Intake RI-but also injections of hydroxocobalamin can be used as a source of vitamin B12.
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Vitamin B12 Dietary supplements that contain only vitamin B12, or vitamin B12 with nutrients such as folic acid and other B vitamins, are also available. Check the Supplement Facts label to determine the amount of vitamin B12 provided. Vitamin B12 is also available in sublingual forms (which are dissolved under the tongue).
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- Food. Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 is generally not present in plant foods, but fortified breakfast cereals are a readily available source of vitamin B12 with high bioavailability for vegetarians [ 5, 13-15 ].Some nutritional yeast products also contain vitamin B12.ood. Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 is generally not present in plant foods, but fortified breakfast cereals are a readily available source of vitamin B12 with high bioavailability for vegetarians [ 5, 13-15 ].
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Vitamin B12 Plant foods have no vitamin B12 unless they are fortified. You can get recommended amounts of vitamin B12 by eating a variety of foods including the following: 1  Beef liver and clams, which are the best sources of vitamin B12. 2  Fish, meat, poultry, eggs, milk, and other dairy products, which also contain vitamin B12.itamin B12 is found in almost all multivitamins. Dietary supplements that contain only vitamin B12, or vitamin B12 with nutrients such as folic acid and other B vitamins, are also available.
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Vitamin B12 Plant foods have no vitamin B12 unless they are fortified. You can get recommended amounts of vitamin B12 by eating a variety of foods including the following: 1  Beef liver and clams, which are the best sources of vitamin B12. 2  Fish, meat, poultry, eggs, milk, and other dairy products, which also contain vitamin B12.itamin B12 is found in almost all multivitamins. Dietary supplements that contain only vitamin B12, or vitamin B12 with nutrients such as folic acid and other B vitamins, are also available. Check the Supplement Facts label to determine the amount of vitamin B12 provided.
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Vitamin B12 Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food. First, hydrochloric acid in the stomach separates vitamin B12 from the protein to which vitamin B12 is attached in food. After this, vitamin B12 combines with a protein made by the stomach called intrinsic factor and is absorbed by the body.
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- Vitamin B12 is found naturally in animal-based foods, such as meat, fish, poultry, eggs and dairy foods. Particularly rich sources of vitamin B12 include shellfish, herring, sardines, trout and some game meats.Vegans and strict vegetarians can get B12 from some fortified foods, such as ready-to-eat cereals and meal replacements (e.g., bars and drinks).itamin B12 is a water-soluble B vitamin that helps transform fats and proteins from foods into energy and works with folic acid to produce normal red blood cells. An adequate supply of vitamin B12 is also necessary for normal neurological function.
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Anemia This type of anemia often is treated with vitamin B12 supplements. Good food sources of vitamin B12 include: 1  Breakfast cereals with added vitamin B12. 2  Meats such as beef, liver, poultry, and fish.his type of anemia often is treated with vitamin B12 supplements. Good food sources of vitamin B12 include: 1  Breakfast cereals with added vitamin B12. 2  Meats such as beef, liver, poultry, and fish.
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Vitamin B 12 Because intrinsic factor is crucial for the normal absorption of B 12, its lack in pernicious anemia causes a vitamin B12 deficiency. Many other subtler kinds of vitamin B 12 deficiency and their biochemical effects have since been elucidated.itamin B12, vitamin B12 or vitamin B-12, also called cobalamin, is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins.
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Vitamin B12 Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak.irst, hydrochloric acid in the stomach separates vitamin B12 from the protein to which vitamin B12 is attached in food. After this, vitamin B12 combines with a protein made by the stomach called intrinsic factor and is absorbed by the body.
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Vitamin B12 Vitamin B12 is found naturally in a wide variety of animal foods. Plant foods have no vitamin B12 unless they are fortified. You can get the recommended amounts of vitamin B12 by eating a variety of the foods including: 1  Organ meats (beef liver). 2  Shellfish (clams).
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- [accessed March 22, 2012]. The best sources of Vitamin B 12 include: eggs, milk, cheese, milk products, meat, fish, shellfish and poultry. Some soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12.
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- The B vitamins are. 1  B1 (thiamine) 2  B2 (riboflavin) 3  B3 (niacin)  B5 (pantothenic 1  acid) 2  B6. B7 (biotin) 3  B12. Folic  acid.
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Vitamin B12 in the Vegan Diet Other sources of vitamin B12 are vitamin B12 fortified soy milk, vitamin B12 fortified meat analogues (food made from wheat gluten or soybeans to resemble meat, poultry, or fish), vitamin B12-fortified energy bars, and vitamin B12 supplements.There are vitamin supplements that do not contain animal products.itamin B12 is needed for cell division and blood formation. Neither plants nor animals make vitamin B12. Bacteria are responsible for producing vitamin B12. Animals get their vitamin B12 from eating foods contaminated with vitamin B12 and then the animal becomes a source of vitamin B12.
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- 1 Vitamin B12 is found only in animal foods and fortified foods. 2  People who avoid all animal products should look for meat alternatives, such as soy products fortified with vitamin B 12. 3  Ten to thirty percent of older people may not absorb vitamin B 12 well.he best sources of Vitamin B 12 include: eggs, milk, cheese, milk products, meat, fish, shellfish and poultry. Some soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12. To see if a product contains vitamin B 12 check the Nutrition Facts on the food label.
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Functions and Food Sources of Some Common Vitamins Some people may need extra vitamins to help them meet their special needs. There are two types of vitamins: water soluble and fat soluble. Water soluble vitamins include vitamins B1, B2, B3, B6, B12, vitamin C, biotin and folate. They are not stored in large amounts in the body, and any extra is lost through your urine.
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Vitamin B12 Vitamin B12 is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication.Vitamin B12 exists in several forms and contains the mineral cobalt [ 1-4 ], so compounds with vitamin B12 activity are collectively called cobalamins.ietary supplements. In dietary supplements, vitamin B12 is usually present as cyanocobalamin [ 5 ], a form that the body readily converts to the active forms methylcobalamin and 5-deoxyadenosylcobalamin. Dietary supplements can also contain methylcobalamin and other forms of vitamin B12.
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- Vitamin B12 is an essential vitamin. This means that the body requires vitamin B12 to work properly. Vitamin B12 can be found in foods such as meat, fish, and dairy products. It can also be made in a laboratory. It is often taken in combination with other B vitamins. Vitamin B12 is taken by mouth to treat and prevent vitamin B12 deficiency, a condition in which vitamin B12 levels in the blood are too low.
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Inexpensive Vitamin Treats âSo Many Diseasesâ it Threatens Big Pharma Our bodies need 13 different B vitamins, and B12 can be especially lacking. Most of us are already familiar with B1 (thiamine), B2 (riboflavin), B3 (niacin), B6, and folic acid. But the B complex also includes vitamin B5 (pantothenic acid), B12, biotin, PABA, choline, and inositol. These water-soluble vitamins are indispensable for good health. What’s more, the high sugar diet that many Americans partake of also destroys Vitamin B12 in the intestinal tract.
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Food Sources of Vitamin B12 The best sources of Vitamin B 12 include: eggs, milk, cheese, milk products, meat, fish, shellfish and poultry.Some soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12. To see if a product contains vitamin B 12 check the Nutrition Facts on the food label.The following table shows you which foods are sources of vitamin B 12.ome soy and rice beverages as well as soy based meat substitutes are fortified with vitamin B12. To see if a product contains vitamin B 12 check the Nutrition Facts on the food label. The following table shows you which foods are sources of vitamin B 12.