energy levels on an even keel. It’ll improve your health for the rest of your life.All this brought to you by a team of passionate runners with a wealth of nutrition knowledge and experience - the Runner's World team.Buy The Runner's World Complete Guide

SchenkerDr Sarah Schenker is a registered dietician, accredited sports dietician and registered public-health nutritionist. Sarah works part-time as a nutrition scientist for the British Nutrition Foundation. She is a member of the British Dietetic

impact recovery and health. There is no harm in taking in a few sugars, treating yourself to confectionary or the odd cake in this scenario, it will simply aid refueling.Ideally however, you should aim for 80 per cent of your calories to be from 'healthy

bad reputation but a certain amount are vital for good health and not all fats are bad for you. They provide energy and lots of calories; however, fats alone do not make you fat. (Your body will also convert excess carbs and proteins into fat