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Protein

Good sources of protein include meat, fish, eggs, soya, milk, cheese, nuts, pulses and beans. Unfortunately, some of the foods that are good sources of protein e.g. dairy products, are also high in fat so try to choose lower fat alternatives where possible (skimmed/ semi-skimmed milk and low fat yogurts, lean meat cuts, soy and whey protein powder).

Proteins are important for tissue growth, repair and maintenance. It is not stored in your body thus is not easily used as an energy source. However, if you have not got enough carbohydrate and fats available, your body may use proteins as a fuel to produce energy or glucose. This means that your body will use the proteins intended for muscle repair and growth as an energy source. Protein is also important for hormones, enzymes and the immune system.

In general, animal protein provides more value than vegetable protein, but a combination of both will give you the balanced protein intake.

Your body replaces approximately 5 million cells every second, as a natural part of living and breathing. When you exercise even more cells are killed off. This is why good quality protein input is so important after exercise – it gets the rebuilding underway properly and quickly.

Since protein is required for both muscle growth and repair, sports participants may require an increased amount of protein in their diet. As a guide, current knowledge suggests that protein requirements for endurance athletes are 1.2-1.4g protein per kg body weight per day, and 1.6-1.7g/kg body weight per day for weightlifters or strength athletes.