Protein is an essential nutrient for our body. Protein is made up of chemical bonds of amino acids. Amino acids are a great source of nitrogen. Positive balance of nitrogen in the body is essential for proper growth and repair of tissues. Protein is also needed to keep body’s immune system strong, to maintain the levels of hormone, building muscle mass and strength and to regulate body’s fluid balance.
One can get proteins from natural as well as artificial sources like protein supplements. Protein supplements are generally taken by body builders, athletes and enthusiastic amateurs as they know the importance of proteins in their diet. Athletes and body builders are constantly on resistance training programs and vigorous weight training regime resulting in a lot of wear and tear of tissues. They require large intake of proteins for proper growth, to increase and maintain muscle mass, and for repair and growth of tissues. Natural sources alone are not sufficient to meet their high protein requirements. Thus protein supplements are very essential to meet their high protein demands.
Protein supplements are artificial source of protein and nutrition that are prepared to fulfill the desired protein requirements of an individual. These supplements usually contain 20 to 30 grams of protein per serving and are fortified with vitamins and minerals. Thus fair demand of vitamins and minerals is also fulfilled. Protein supplements are available in form of bars, powders and liquid. These are available in number of flavors like fruity, vanilla, chocolate, peanut butter, etc. Casein, whey, egg and soya are main sources used in protein supplements.
Whey proteins are by product formed during preparation of cheese. The main function of this protein is muscle mass building. Casein protein is a major component of milk protein. It accounts for 80% of milk protein. It is a great source for energy needs and building muscle power. Egg albumin is white of egg having high protein content. It is available in powder form. Persons having lactose allergy can go for egg proteins.