, nervous system Sources: Bread, wholemeal foods, fortified breakfast cerealsVitamin B2 (riboflavin)   Function: Tissue building, energy metabolism. Helps the body absorb folic acid Sources: Milk, meat (especially liver), green leafy vegetables, eggs

dairy products - milk, soft cheese, yoghurt, ice cream and cream sauces. Make sure all meat and seafood is well cooked (served steaming or piping hot) - stay away from raw shellfish.  TreatmentThere are a number of over-the-counter medicines

-containing foods if you go slower for a while (See Solid Advice, below). Liquid canned meals also work well, or even chocolate milk.Recent research has found that sports drinks with combinations of glucose and fructose, or maltodextrin and fructose, can result