<prompt> Magenta red tongue with cheilosis is caused by deficiency of?ThiamineRiboflavinCyanocobalamineAscorbic acid  <response>: Ans. B. RiboflavinNutrientClinical findingDietary level per day associated with overt deficiency in adultsContributing factors to DeficiencyRiboflavinMagenta tongue, angular stomatitis, seborrhoea, cheilosis0.6mg- 