"When you're training, time is of the essence," says sports nutritionist Drew Price (drewprice.co.uk). "Nutrient timing is the secret weapon employed by professional athletes to fuel training and race day, and to support recovery. "Carbohydrate

Q. If I train after work, I rarely sit down to eat before 9pm. Is it unhealthy to eat so late?A. This is a common situation for people trying to combine a regular training regime with a busy work schedule. After you've trained it is important

Q. I want to practise my nutrition for race day but my trainer says I should wait until a few weeks before the race so I get the maximum benefit - is he right?A. It's imperative that you experiment during training to find out what will work best

When you're sidelined by injury your natural reaction should be to cut back on calories until it's time to return to training - and burning energy. But the healing process demands fuel, too. "It's like fixing a house," says sports dietitian Cynthia

carbohydrate products that you have tried and tested during your training period. This is perhaps why people stick to pasta; it's often a regular feature in a triathlete's diet. It is also easy to prepare.Avoid overeating the night before a big race because you

ate delivered energy and good nutrition. That meant turning to whole foods."Appleman lost six stone and ran his first marathon. The key has been planning. "It can be tough to find healthy options on the go," says Appleman. Nutritionist Ruth Carpenter

the US Department of Agriculture appropriated it for a report on nutrition. Specifically, a calorie was defined as the unit of heat required to raise 1g of water 1 degree Celsius.To apply this concept to foods such as sandwiches, scientists would set food