vitamin B complex

American  

noun

1. an important group of water-soluble vitamins containing vitamin B 1 , vitamin B 2 , etc.

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vitamin B complex British  

noun

1. Sometimes shortened to: B complex.  a large group of water-soluble vitamins occurring esp in liver and yeast: includes thiamine, riboflavin, nicotinic acid, pyridoxine, pantothenic acid, biotin, choline, folic acid, and cyanocobalamin

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vitamin B complex Scientific  

1. Any of a group of water-soluble vitamins important for normal cell growth and metabolism. The vitamins of the vitamin B complex include thiamine (vitamin B ₁), riboflavin (vitamin B ₂), pyridoxine (vitamin B ₆), cobalamin (vitamin B ₁₂), pantothenic acid, niacin, biotin, and folic acid.

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Etymology

Origin of vitamin B complex

First recorded in 1925–30

Example Sentences

Egg white's avidin links up with biotin, part of the vitamin B complex essential for growth of both normal and cancerous tissues.

From Time Magazine Archive

By giving a 70-year-old woman vitamin B complex, Hauser claimed to have turned her white hair black.

From Time Magazine Archive

Rats whose diet was lacking in the vitamin B complex survived sleeping sickness better than better-fed rodents.

From Time Magazine Archive