ovoflavin vs B vitamin

ovoflavin and B vitamin both are nouns.

Word	Noun	Adjective	Verb	Adverb
ovoflavin	Yes	No	No	No
B vitamin	Yes	No	No	No

As nouns, B vitamin is a hypernym of ovoflavin; that is, B vitamin is a word with a broader meaning than ovoflavin:

ovoflavin: a B vitamin that prevents skin lesions and weight loss
B vitamin: originally thought to be a single vitamin but now separated into several B vitamins

Other hypernyms of ovoflavin include B-complex vitamin, B, B complex, vitamin B, vitamin B complex.

ovoflavin (noun)	B vitamin (noun)
a B vitamin that prevents skin lesions and weight loss	originally thought to be a single vitamin but now separated into several B vitamins