Well, the good news is that it really does have a role to play when it comes to feeling fitter and healthier. Dietitian Dr Carrie Ruxton, from the Health & Food Supplements Information Service (hsis.org), says: “Most regular runners are aware of carbs and protein, but micronutrients – vitamins and minerals – often get forgotten. Hard training may be great for your muscles, but it can have a detrimental impact on immune function. This is why runners tend to be more at risk from upper respiratory tract infections than the general population.
“Vitamin A, vitamin C, vitamin D, selenium, iron and zinc are the key immune-support nutrients. A diet that includes 5-7 portions of fruit and vegetables plus nuts, seeds, oily fish, lean red meat, beans, pulses and turkey will…
