vitamin B1 vs thiamine

vitamin B1 and thiamine both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitamin B1	Yes	No	No	No
thiamine	Yes	No	No	No

As nouns, vitamin B1 and thiamine are synonyms defined as:

vitamin B1 and thiamine: a B vitamin that prevents beriberi; maintains appetite and growth

Other synonyms of vitamin B1 include aneurin, antiberiberi factor, thiamin.

vitamin B1 (noun)	thiamine (noun)
a B vitamin that prevents beriberi; maintains appetite and growth	a B vitamin that prevents beriberi; maintains appetite and growth