: Runner's World archives, Boots, Solgar Vitamins, the British Nutrition Foundation and The Complete Guide to Sports Nutrition by Anita Bean. 'Supplementary Benefits' main articleMineralsOther supplements

, capsules and powders Improves stamina and immunity; helps maintain the natural balance of the body Studies show ginseng doesn't increase speed in runnersGlucosamine Sulphate Helps to rebuild connective tissue such as cartilage, tendons and ligaments

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

help to prevent calcium deficiency and osteoporosis There is no evidence that extra calcium prevents osteoporosis; exercise - with adequate calcium intake - prevents bone loss. Runners who eat few or no dairy products may benefit from supplements

Nutrition IndexHere are seven must-read nutrition articles for every runner: • Food Groups: The Basics• Eating And Training: How To Time It Right• The Ultimate Runners' Snacks• Healthy Takeaway Options• Vegetarian tips• Five healthy eating plans