Calorie restriction on a number of days each week mimics our genetic roots, when we lived in a time of famine followed by fast.

Common supplements include vitamins, minerals, herbs, plant material, amino acids, probiotics, fibre and fatty acids that can be added to the diet.   Food quality can be compromised by production methods, lengthy storage and long distance transportation of so called 'fresh' fruits and vegetables.

Food producers work hard at attracting consumers with a myriad of health claims and 'nutritional speak' around food, aimed at making it sound more healthy and appealing. However, these descriptions can be vague or downright misleading.

Race coming up? Carb loading is one of the best ways   of maximising the amount of fuel stored in your muscles. Check out our 7 day plan for effective carb loading.

Different sports have different requirements when it comes to ideal body composition, but the key is to include enough of the right nutrients to provide sufficient energy for the physical demands whilst maintaining a healthy body fat ratio.