– and three sizes: 100g, 500g and 1,600g. 100g contains 350kcal, 26g protein, 59g carbohydrate and 1.3g fat.Contact www.scienceinsport.com; 01254 246 060

with a little protein: (eg High5 4:1) These products are still relatively rare but some research suggests that a little protein in a carbohydrate drink can improve performance on the run.Recovery drinks Post-run drinks usually contain around 70

calories' worth of after-dinner treats. These might range from 60 calories in an apple, to 100-150 calories in a pot of fat-free yoghurt or rice pudding, or 170 calories in a bottled beer.Say 'yes' to hot chocolate: Look at the benefits. First, it

, nuts and legumes Encourage muscle growth and prevent muscle breakdown May offset protein breakdown in muscles; supplements can increase muscle growth or recoveryCoenzyme Q-10 Helps release energy from food to body's cells Can be made in the body; food

the carb-loading low-down with these simple dos and don'ts.Rest and RecoveryBecome a better runner even after you've pulled off your trainers with these quick and easy recovery tips.Core StabilityA strong core will make you fitter and faster, as well

Is nutrition too complicated? These 10 simple commandments are guaranteed to make you healthier, fitter and faster1. Plan your diet Devise a sensible eating plan that you can stick to, which will suit your lifestyle. Don’t set yourself

before. Running 26.2 miles places high demands on the body and you’re likely to end up with depleted fuel stores, accumulated fluid in the muscles, dehydration and perhaps some damaged muscle tissue. So, not surprisingly, you will be susceptible to injury

?• Hills• Cross-trainingMARATHONING• When to move on from base training in a marathon build-up?• How Janice Moorekite jumped from 3:10 to 2:48• I've run 3:12 - how long should I wait to run sub-3?• How often to race in marathon training?• I missed 2

the contour of the foot won almost unanimous praise from our testers. This latest shoe continued the line's impressive track record – the previous model, the Gel Kayano 14, was voted the International Editors' Choice 2008 by the staff of Runner's World's 14

(5k), 36:21 (10k during marathon), 58 (10m), 1:17 (1/2m) 1:36 (16m)] Mike Gratton I would use the period going into the summer to do a lot more interval work and try to improve your 10K times, since this will be key to achieving a faster marathon time