Sports Nutrition

3880 Words Oct 31st, 2010 16 Pages
Sports Nutrition Assignment 1 task 1
Nutrition is the process by which chemicals from the environment are taken up in the body to provide the energy and nutrients which are needed to keep us alive and healthy. Also providing the body with growth and repair to our muscles. Apart from water and oxygen, the needs of the body must be met by the intake of foods. Our recommended daily amount (RDA) on calories is 2500 for men and 2000 for women to maintain a healthy diet.
Our bodies need nutrients to remain fit and healthy and are all found in the seven components of a normal diet. They consist of carbohydrates, protein, fats, minerals, vitamins, water and fibre. Nutrients can be divided into two main groups; macronutrients and micronutrients.
…show more content…
On average adults in Britain eat the right amount of fat but eat too much saturated fat. It is recommended that our fat intake is reduced to 30% of our total calorie intake.
Another nutrient is protein that we need to have in our diets. There are two main roles of protein, growth and repair of our muscles. Protein is made up essential and nonessential amino acids, which are good for our health. Our bodies produce 20 amino acids, 12 non essential and 8 essential. For our bodies to process protein properly the food we eat must contain the eight essential amino acids that are available only from dietary sources. There are four types of protein, whey, soy, egg and casen.
Protein helps to maintain and replace the tissues in our bodies. Both children and adults need plenty of protein to grow and develop. The body uses protein as a secondary source for energy. It forms the structure of every cell, tissues, internal organs, tendons, skin, hair and nails. Meat, eggs and dairy products are considered complete proteins, but vegetables, beans and other plant products are considered incomplete proteins.
The recommended daily allowance for protein depends on the amount of energy intake and the person exercise levels. Women aged 19–70 on average need to consume 46 grams of protein per day, while men aged 19–70 on average need to consume 56 grams of
Open Document