Protein: Combination of many chemicals called amino acids, Important for muscle growth and repair, A minor source of energy, used after glycogen and fat, Used by power athletes, Carbohydrates: The simple form is the quickest energy source and is easily digested, Consists of two types - simple and complex, The principal source of energy used by the body, The main fuel used for high-intensity and low intensity, aerobic and anaerobic exercise, These foods are digested and converted into glucose and enter the bloodstream, Stores are limited so refuelling regularly is necessary, Fibre: Found in wholemeal bread and pasta, potatoes, nuts, pulses and fruit and veg, Slows down the time it takes for the body to break down food, A slow and sustained release of energy, Aid digestion and prevent constipation, Fats - Saturated, Cholesterol, Trans-fat: Too much leads to excessive weight gain, reduced stamina and health problems , This type is found in the blood and leads to high cholesterol , Acts as an insulator, Slow-release at low intensity, Water: Makes up 60% of body weight, Regulates body temperature, Transports nutrients, hormones and waste products,

Nutrients

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