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Vitamin B 6 MeSH Descriptor Data 2021

MeSH Heading
Vitamin B 6
Tree Number(s)
Unique ID
RDF Unique Identifier
/ther use: coordinate with disease /‌drug ther, not /‌diet ther
Scope Note
VITAMIN B 6 refers to several PICOLINES (especially PYRIDOXINE; PYRIDOXAL; & PYRIDOXAMINE) that are efficiently converted by the body to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, and aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into PYRIDOXAMINE phosphate. Although pyridoxine and Vitamin B 6 are still frequently used as synonyms, especially by medical researchers, this practice is erroneous and sometimes misleading (EE Snell; Ann NY Acad Sci, vol 585 pg 1, 1990). Most of vitamin B6 is eventually degraded to PYRIDOXIC ACID and excreted in the urine.
Entry Term(s)
Vitamin B6
Pharm Action
Vitamin B Complex
Registry Number
NLM Classification #
QU 187
Previous Indexing
Pyridoxine (1965-2001)
Public MeSH Note
2002; see PYRIDOXINE 1963-2001
History Note
2002; use PYRIDOXINE 1963-2001
Entry Combination
deficiency:Vitamin B 6 Deficiency
Date Established
Date of Entry
Revision Date
Vitamin B 6 Preferred
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