vitamin B complex

vi·ta·min B com·plex

a pharmaceutical term applied to drug products containing a mixture of the B vitamins, usually B1, B2, B3, B5, and B6.

vitamin B complex

n.

A group of water-soluble vitamins, including thiamine, riboflavin, niacin, pantothenic acid, biotin, folic acid, vitamin B₆, and vitamin B₁₂, that are found in a variety of foods, especially yeast, liver, eggs, cereal grains, legumes, and some vegetables. Also called B complex.

vitamin B complex

a group of water-soluble vitamins differing from each other structurally and in their biological effect. All of the B vitamins are found in large quantities in liver and yeast, and they are present separately or in combination in many foods. Heat and prolonged cooking, especially cooking with water, can destroy B vitamins. See also folic acid and vitamins B₁ through B₁₂.

vi·ta·min B com·plex

(vī'tă-min kom'pleks)

A pharmaceutical term applied to drug products containing a mixture of the B vitamins, usually B₁ (thiamine), B₂ (riboflavin), B₃ (nicotinamide), and B₆ (pyridoxine).

vitamin B complex

see B-COMPLEX.

vi·ta·min B com·plex

(vī'tă-min kom'pleks)

Pharmaceutic term applied to drug products containing a mixture of the B vitamins, usually B1, B2, B3, B5, and B6.

vitamin B, vitamin B complex

a group of water-soluble substances described separately. Includes biotin, choline, folic acid, niacin, pantothenic acid, pyridoxine, riboflavin, thiamin and vitamin B₁₂ (below). Most domestic animals do not require dietary supplementation if they are fed natural feeds. Artificially prepared feeds are usually supplemented because losses may occur during storage and preparation.

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vitamin B B₁

thiamin.

vitamin B B₂

riboflavin.

vitamin B B₃

the niacin group of B-vitamins, nicotinic acid and nicotinamide.

vitamin B B₆

a group of methylpyridine derivatives that includes pyridoxine, pyridoxamine, pyridoxal.

vitamin B B₇

an uncharacterized promoter of digestion in pigeons, possibly a mixture of compounds; called also vitamin I.

vitamin B B₁₂

a generic term describing all corrinoids with biological activity of cyanocobalamin. Required by all cells for nuclear maturation and cell division but required particularly for erythropoiesis. The vitamin is produced by ruminants who require only cobalt in sufficient quantities in their diet. A nutritional deficiency of the vitamin causes a maturation failure anemia, anorexia and failure to thrive. An inherited defect in absorption of vitamin B₁₂ has been described in Miniature schnauzers. Called also cyanocobalamin. See also hydroxocobalamin.

vitamin B B₁₂ absorption test

measurement of radiolabeled cyanocobalamin excreted in the urine after oral administration (with parenteral administration to saturate the vitamin B₁₂ binding sites). Used as a measure of intestinal absorption and, in humans, the presence of intrinsic factor. Called also Schilling test.

vitamin B B_c

folic acid.

vitamin B B_T

see carnitine.

Patient discussion about vitamin B complex

Q. When is the best time to take vitamin B complex? I mean- after / before a meal? with what foods? etc.

A. vitamin B complex is acidic, you might want to take it right after meals. i tried taking it on an empty stomach and got a terrible nausea...

Q. I took vitamin B on an empty stomack and then had coffee. it gave me a terrible Stomach ache. why?

A. hi again! you should take them right after a meal. those pills are vary concentrated and some of the B vitamins are acidic. taking it without eating first will get your stomach protesting ...as you well saw...