pyridoxine

noun

pyr·​i·​dox·​ine ˌpir-ə-ˈdäk-ˌsēn 

-sən

: a crystalline phenolic alcohol C₈H₁₁NO₃ of the vitamin B₆ group found especially in cereals and convertible in the organism into pyridoxal and pyridoxamine

Examples of pyridoxine in a Sentence

Recent Examples on the Web

Previous studies have tied B vitamins, such as folic acid, pyridoxine, and cobalamin, with a reduced risk of stroke. — Zoe Cunniffe, Health, 30 Apr. 2026

Also known as pyridoxine, vitamin B6 is a key part of gluconeogenesis, the process by which your body creates glucose for energy. — Brittany Lubeck, Verywell Health, 10 June 2026

This includes adhering to the dosage limits, TGA specifies a maximum dose of 100mg of pyridoxine per day, and labeling requirements. — Lucy Notarantonio, Newsweek, 8 Mar. 2025

Vitamin B6 may appear on nutrition labels as pyridoxine, pyridoxal or pyridoxamine, referring to its different chemical forms. — Lindsey Leake, NBC news, 29 Jan. 2026

Word History

Etymology

pyridine + ox- + -ine entry 2

First Known Use

1939, in the meaning defined above

Rhymes for pyridoxine

• thyroxine

Kids Definition

pyridoxine

noun

pyr·​i·​dox·​ine ˌpir-ə-ˈdäk-ˌsēn 

-sən

: an alcohol of the vitamin B₆ group found especially in cereals

Medical Definition

pyridoxine

noun

pyr·​i·​dox·​ine ˌpir-ə-ˈdäk-ˌsēn, -sən 

: a crystalline phenolic alcohol C₈H₁₁NO₃ of the vitamin B₆ group found especially in cereals and convertible in the body into pyridoxal and pyridoxamine