Symptoms of Crohnâs disease include abdominal pain, diarrhoea (which may contain blood), constipation, vomiting and weight loss. Ulcerative colitis is a disease of the colon whereby ulcers and open sores grow in this part of the intestine. Symptoms include constant diarrhoea which usually contains blood.
Overview. Vitamin B2, also called riboflavin, is one of 8 B vitamins. All B vitamins help the body to convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B complex vitamins, also help the body metabolize fats and protein.ataracts. Vitamin B2, along with other nutrients, is important for normal vision. Some early evidence shows that riboflavin might help prevent cataracts -- damage to the lens of the eye, which can lead to cloudy vision.
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak.irst, hydrochloric acid in the stomach separates vitamin B12 from the protein to which vitamin B12 is attached in food. After this, vitamin B12 combines with a protein made by the stomach called intrinsic factor and is absorbed by the body.