Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. It is one of eight B vitamins. It is required by animals, which...

Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin...

measuring the B12 content does not measure the B12 directly. Instead, it measures a bacterial response to the food. Chemical variants of the B12 vitamin found...

where not enough red blood cells are produced due to a deficiency of vitamin B12. Those affected often have a gradual onset. The most common initial symptoms...

folates) Vitamin B12 (cobalamins) Vitamin C (ascorbic acid and ascorbates) Vitamin D (calciferols) Vitamin E (tocopherols and tocotrienols) Vitamin K (phylloquinones...

Vitamin fortification programs exist in one or more countries for folate, niacin, riboflavin, thiamin, vitamin A, vitamin B6, vitamin B12, vitamin D...

Methylcobalamin (mecobalamin, MeCbl, or MeB12) is a cobalamin, a form of vitamin B12. It differs from cyanocobalamin in that the cyano group at the cobalt...

cells (in rodents) of the stomach. It is necessary for the absorption of vitamin B12 later on in the distal ileum of the small intestine. In humans, the gastric...

methylmalonic acidemias. Methylmalonyl-CoA requires vitamin B12 to form succinyl-CoA. When the amount of B12 is insufficient for the conversion of cofactor...

The total synthesis of the complex biomolecule vitamin B12 was accomplished in two different approaches by the collaborating research groups of Robert...

as vitamin B12a and hydroxycobalamin, is a vitamin found in food and used as a dietary supplement. As a supplement it is used to treat vitamin B12 deficiency...

Vitamin B12 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. B12...

Serum vitamin B12 is a medical laboratory test that measure vitamin B12 only in the blood binding to both transcobalamins. Most of the time, 80–94% of...

Zinc Growth retardation Thiamine (Vitamin B1) Beriberi Niacin (Vitamin B3) Pellagra Cobalamin (Vitamin B12) Vitamin B12 deficiency anemia, and irreversible...

1971). "[205] Preparation of the reduced forms of vitamin B12 and of some analogs of the vitamin B12 coenzyme containing a cobalt-carbon bond". In McCormick...

Zhang D (April 2021). "Associations of dietary vitamin B1, vitamin B2, vitamin B6, and vitamin B12 with the risk of depression: a systematic review...

acids, vitamin D, calcium, zinc, and vitamin B12. Researchers agree that those on a vegan diet should take a vitamin B12 dietary supplement. The American...

(B7), Folate (B9) and Vitamin B12. Vitamin intake below recommended amounts can result in signs and symptoms associated with vitamin deficiency. There is...

the spinal cord as a result of vitamin B12 deficiency (most common). It may also occur similarly as result of vitamin E deficiency, and copper deficiency...

biosynthesis is the process by which bacteria and archea make cobalamin, vitamin B12. Many steps are involved in converting aminolevulinic acid via uroporphyrinogen...

(AdoCbl), also known as coenzyme B12, cobamamide, and dibencozide, is one of the biologically active forms of vitamin B12. Adenosylcobalamin participates...

In enzymology, a vitamin B12-transporting ATPase (EC 3.6.3.33) is an enzyme that catalyzes the chemical reaction ATP + H2O + vitamin B12out ⇌ {\displaystyle...

childhood, and adolescence. However, vegetarian diets deficient in vitamin B12 or calories may compromise children's health and development. The UK...

for patients with vitamin B12 (cobalamin) deficiency. The purpose of the test was to determine how well a patient is able to absorb B12 from their intestinal...

of some B-complex vitamins and contains trace amounts of several other vitamins and minerals. It may be fortified with vitamin B12. Nutritional yeast...

Metafolin, a calcium salt of vitamin B9), methylcobalamin (vitamin B12) and pyridoxal 5'-phosphate (vitamin B6). It is a vitamin B supplement. Metanx is indicated...

British company Unilever. Marmite is a vegan source of B vitamins, including supplemental vitamin B12. A traditional method of use is to spread it very thinly...

commonly fortified with protein and micronutrients, such as vitamin B12, calcium, iron, or vitamin D. The exact origin of rice milk is uncertain. In 1914,...

In molecular biology, the vitamin B12-binding domain is a protein domain which binds to cobalamin (vitamin B12). It can bind two different forms of the...

triamcinolone, a corticosteroid. Other anti-ulcer supplements include vitamin B2 and vitamin B12. Antibiotics and agents to reduce gastric acid secretion are used...