This is the eatwell plate and it shows how much of different types of food you need. You can save the picture to see it in more detail.
www.brainmac.co.uk says
Carefully planned nutrition must provide an energy balance and a nutrient balance. The nutrients are:
Proteins - essential to growth and repair of muscle and other body tissues.
Fats - one source of energy and important in relation to fat soluble vitamins.
Carbohydrates - our main source of energy.
Minerals - those inorganic elements occurring in the body and which are critical to its normal functions.
Vitamins - water and fat soluble vitamins play important roles in many chemical processes in the body.
Water - essential to normal body function - as a vehicle for carrying other nutrients and because 60% of the human body is water.
Roughage - the fibrous indigestible portion of our diet. digestive system
The balance is very important they go on to say
Like fuel for a car, the energy we need has to be blended.
The Dietary Guidelines for Americans recommends the following blend:
45-65% Carbohydrates (sugar, sweets, bread, cakes)
20-35% Fats (dairy products, oil)
10-35% Protein (eggs, milk, meat, poultry, fish)
What are they?
Carbohydrates Proteins Fats