27 Jul 09 Complete Nutrition For Complete Health

All organisms contain proteins. The cells require protein to carry out all its functions. Proteins are organic compounds. They are formed by amino acids through the process of digestion of food in the stomach. Proteins are decisive for metabolism. Proteins, carbohydrates and fat are the main source of energy. Energy is expressed as calories that are contained in food items. The main source of protein that we take as food includes meats, nuts, eggs, legumes, grains, and dairy products like cheese and milk. The body breaks down the food particles continuously from which protein is derived. The enzymes in the stomach then break down protein through digestion. Men are estimated to need 56 grams of protein every day. Women need lesser protein per day estimated to be 46 grams. Consumption of protein below this level leads to protein deficiency.

Protein deficiency can be the cause of ill health and even death. Kwashiorkor with such symptoms as diarrhea, inactivity, apathy, failure to grow, fatty liver, flaky skin, and edema of the belly and legs is caused by chronic protein deficiency. Protein deficiency can also cause mental retardation. It usually afflicts poor people everywhere as they face nutritional deficiency or chronic hunger. Protein deficiency is known to also occur amongst those who are crash dieting or dieting in order to lose weight. Sometimes older people too have protein deficiency when their diet is not balanced. This could also be the case with people convalescing from illness, trauma or surgery. High protein diet or protein rich food is required in these instances to provide the required protein.

Dietary supplements are a growing business in health business. They contain carbohydrates, proteins, fat, minerals and vitamins. The main source of protein in these products is soy, casein and whey. Flavors are added for taste. They come in the form of energy drinks and energy bars. There are energy bars which have protein as the main ingredient. Pure protein Protein Bar is one such protein rich supplement that comes in a variety of flavors.

Besides protein, they are also rich in calories. Proteins enter into the body system along with other nutrients.

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