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.
A number of health problems can be caused due to protein deficiency. It may even prove fatal in extreme cases. A protein deficiency disease is Kwashiorkor which exhibits the symptoms of diarrhea, fatty liver, edema of the legs and belly, failure to grow, inactivity, flaky skin and apathy. Protein deficiency is also known to be one of the causes of mental retardation. Poor people who face chronic hunger or are malnourished or take food low in protein are prone to protein deficiency. There are also known instances of people who are on to weight loss dieting becoming deficient in protein. Older people who are not taking a balanced diet are susceptible to protein deficiency. This might also be the condition of people who are just on their road to recovery from trauma, surgery or ill health. An intake of protein rich food can actually offset such a condition.
There are a variety of dietary supplements in the market containing carbohydrates, proteins, fats, minerals and vitamins. The source of protein is often soy, casein or whey. Flavors are added to make them tasty. These dietary supplements are available as energy drinks or energy bars. Energy bars offering primarily proteins are also available. Pure Protein Bars are also available in the market. These have more protein than other ingredients. Protein bars come in a variety of mouth watering flavors.
Besides, protein they are also rich in calories. Proteins enter into the body system along with other nutrients.
Protein is an important requirement for our bodies. Thus, we should all ensure that we have enough protein in our daily diet.
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