Multiple choice general knowledge science & technology What is another name for vitamin B2? THIAMINE PYRIDOXINE RIBOFLAVIN CYANOCOBALAMIN Reveal answer Fill a bubble to check yourself C Correct answer Explanation Vitamin B2 is riboflavin. Thiamine is B1, pyridoxine is B6, and cyanocobalamin is B12. Riboflavin comes from 'flavus' (yellow) due to its yellow color.