No food sources; glucosamine is produced in the body from glucose and glutamine Supports the health, flexibility and functions of the joints Inconclusive but promisingInformation obtained from: Runner's World archives, Boots, Solgar Vitamins, the British

UAN:254 Article type:--Of all the risk factors for coronary heart disease, a high blood cholesterol level is probably the most widely publicised. In fact, cholesterol is essential for good health, but the body is efficient at making its own

Getty Images Most runners are keen to eat a healthy, balanced diet, and plumping for the fresh, seasonal food on your doorstep is an easy way to make sure your diet is made up of the freshest and most nutritious food around