 [ Symptoms ] biotin & digestion after stumbling upon an article in my health textbook i found that biotin is actually essential to digestion & also produced in the colon i thought the biotin was what was causing my digestive issues being constipated after the morning go how is this possibl  omy doc says i could have irritable bowel because my mother has it i am 19 do not want to ask my dr cause i want a second opinion on this [ Disease ] biotin is involved in the breakdown of carbs protein and fat but i have never heard it being used to treat digestive issues additional biotin would only help if there was a deficiency which is not common see this article for symptoms you could always take a multivitamin which would cover you i recommend addressing your diet and how to improve it to help your symptoms getting a second opinion and seeing a registered dietitian who specializes in digestive issues can help good luck read more constipation digestive disorders i bs with constipation