A main component of our body is protein. Protein constitutes about half of body’s dry weight. The major source of natural protein from diet includes beef, chicken, lamb, fish and legumes such as beans and lentils. Amino acids are released when the proteins are digested. The source of energy is these amino acids. The amino acids are also used to produce new proteins or are also converted into hormones. 22 different kinds of amino acids make up proteins. Some 50 to tens of thousands of amino acids are usually linked together to form protein. Amino acids are of two types. There are the non-essential amino acids which the human body manufactures. There are also the essential amino acids that food supplies.
The normal dietary intake of protein for women is 0.75 gram per kilogram of body weight where as for adult men it is 0.84 gram per kilogram of body weight. The weight and age of the person determines the extent of protein needed. The major source of protein are poultry, meat, eggs, fish, seeds and nuts, dairy products, soy products, beans and lentils, and grains principally wheat.
Athletes and bodybuilders may require excess protein in order to support the rigorous training and muscle repair. The generally recommended intake of protein is twice the amount taken by less active people. However, some bodybuilders have taken the need for extra proteins beyond rational limits. Though consumption of excess protein is generally considered to be not harmful, yet there is risk for people with such problems as kidney problem, diabetes and overweight. The powdered protein supplementary industry has been vigorously over stressing on protein supplement. These are expensive too when natural food, for instance, skim milk powder is cheaper. There are a range of products to choose such as Ny-Tro Pro-40, BSN Cell Mass, BSN No-Xplode, Controlled Labs Purple Wraath and BSN Syntha-6.
A protein intake of 40 percent along with 40 percent carbohydrate and 20 percent fat is recommended by some bodybuilding coaches and weight trainers. When a bodybuilder takes 4000 calorie which is quite reasonable, it means an intake four times the normal recommended protein intake and twice that of the acceptable norm.
Our bodies are composed of cells and these cells are composed of protein. That is why, we all need to try our best to have adequate protein in the body.
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