Is biotin good for gut health? Proper Digestion Biotin is an important vitamin for digestion. In addition to breaking down the compounds in foods you eat, it converts folic acid into its active form so it can help your body make new red blood cells.
Does biotin have negative side effects? There are currently no known adverse side effects of biotin when taken as prescribed by a doctor or through normal dietary intake. There are some cases where certain dietary or other habits have caused a deficiency of biotin.
Why do I feel sick after taking biotin? People who are allergic to vitamin B12 are commonly allergic to biotin, as well. An allergic reaction to biotin will often include nausea, a rash, or swelling of the throat and face.