EMNote.org - Angular stomatitis in riboflavin (vit. B2) deficiency Riboflavin deficiency (also called ariboflavinosis) results in stomatitis including painful red tongue with sore throat, chapped and fissured lips (cheilosis), and inflammation of
![Vitamin B2 - Riboflavin - functions, daily requirements, deficiency symptoms and food sources - YouTube Vitamin B2 - Riboflavin - functions, daily requirements, deficiency symptoms and food sources - YouTube](https://i.ytimg.com/vi/googsPb3yeo/sddefault.jpg)
Vitamin B2 - Riboflavin - functions, daily requirements, deficiency symptoms and food sources - YouTube
![Amazon.com: Nature's Way Vitamin B2, 100 mg Riboflavin, 100 Capsules, Pack of 2 : Health & Household Amazon.com: Nature's Way Vitamin B2, 100 mg Riboflavin, 100 Capsules, Pack of 2 : Health & Household](https://m.media-amazon.com/images/I/41bb+fgrZWL._AC_UF1000,1000_QL80_.jpg)