vitamin B6 vs pyridoxal

vitamin B6 and pyridoxal both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin B6	Yes	No	No	No
pyridoxal	Yes	No	No	No

As nouns, vitamin B6 and pyridoxal are synonyms defined as:

vitamin B6 and pyridoxal: a B vitamin that is essential for metabolism of amino acids and starch

Other synonyms of vitamin B6 include adermin, pyridoxamine, pyridoxine.

vitamin B6 (noun)	pyridoxal (noun)
a B vitamin that is essential for metabolism of amino acids and starch	a B vitamin that is essential for metabolism of amino acids and starch