Definition of vitamin B in English:

vitamin B


  • [mass noun] Any of a group of substances (the vitamin B complex) which are essential for the working of certain enzymes in the body and, although not chemically related, are generally found together in the same foods. They include thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12).

    • ‘Also, fresh grapes provide potassium, vitamin C, vitamin B6 and thiamin.’
    • ‘Avocados are high in fiber, and provide substantial amounts of folate (folic acid), vitamin B6, and pantothenic acid.’
    • ‘Some are also fortified with riboflavin and vitamin B - 12.’
    • ‘Other eye essentials, such as vitamin B1, or thiamin (found in pork, legumes, whole-grain cereals and breads, wheat germ and potatoes), can prevent cataracts by reinforcing the optic nerve and guarding the retina from cell damage.’
    • ‘Liver, low-fat yogurt and dry cereal enriched with riboflavin, or vitamin B2, are good dietary sources to choose from to prevent this condition.’
    • ‘Bison meat contains many vitamins but is highest in vitamin B 12, vitamin B 6, and niacin content.’
    • ‘Vegetarians need to get enough protein, iron and vitamin B12, nutrients usually found in meat.’
    • ‘Vitamin C, vitamin B complex and lysine may speed healing when taken orally at the onset of lesions.’
    • ‘To produce red blood cells, the body needs iron, vitamin B12 and folic acid.’
    • ‘He then injected the rats with vitamin B1, B6, B12 and a combination of the three.’
    • ‘Other vitamins that are needed to manufacture red blood cells include folate (folic acid) and vitamin B12.’
    • ‘A decreased production of red cells is usually from a lack of iron, vitamin B12 and folic acid in the diet, which are essential for the production of these cells in the bone marrow.’
    • ‘Dietary reference intakes for thiamine, riboflavin, niacin, vitamin B6, folate, vitamin B12, pantothenic acid, biotin, and choline.’
    • ‘Another cause of this condition is the lack of other nutrients in the body, such as vitamin B12 or folic acid.’
    • ‘Anemia can be caused by vitamin or mineral deficiencies, particularly of iron, vitamin B12, and folic acid.’
    • ‘In addition to being a great source of complex carbohydrates, vitamin B6 and potassium, sweet potatoes also contain significant amounts of folate.’
    • ‘One good source of several of these nutrients is brown rice which contains thiamin, vitamin B6, and niacin.’
    • ‘Low levels of vitamin B6, folic acid, and vitamin B12 are quite common in the elderly population and may contribute to osteoporosis.’
    • ‘Since vitamin B6 helps in creating enzymes needed by the brain, some experts predict that large doses might foster stronger brain activity in people with autism.’
    • ‘The researchers are looking at nutrients such as vitamin B12, amino acids and the popular pregnancy supplement, folic acid.’