The most common and most likely answer to this crossword clue is the 9 letter word BVITAMINS which also is the latest solution we found used in LA Times in 2021.
*Niacin and riboflavin crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| BVITAMINS | 100 % | 9 | 
Words with a meaning similar to the clue: *Niacin and riboflavin
These words may or may not be a possible solution to this crosswords clue.- vitamin
 - adenosine
 - nicotinamide
 - b12
 - biotin
 - calcium
 - carbohydrate
 - choline
 - folate
 - folic
 - fucose
 - heme
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution