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Protein Supplements – Are They Beneficial For Athletes?

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The proteins in the diet can be used for all three main functions of food: as a component of most tissues in the body, as a source of energy, and for regulating metabolism . For the athlete, it is customary to use intentionally instead of carbohydrates for energy, but it is critical for maintaining and building muscle and regulate metabolism during exercise. Adequate dietary protein is necessary to maintain a positive protein balance to accomplish these tasks. Particular amino acids such as leucine, isoleucine and valine, which are branched chain amino acids or BCAA, represent a significant part of muscle tissue.

branched chain amino acid supplementation was thought to improve athletic performance by preventing or decreasing protein degradation and prevent adverse changes in neurotransmitter function. Studies of fatigue during prolonged exercise show that it is related to the increase of the neurotransmitter serotonin in the brain. A high ratio of free tryptophan / BCAA in the blood can lead to a greater production of serotonin and thus to fatigue feelings and perceived increased effort. It is also known that serum levels of BCAAs, which are metabolized primarily in the muscles, drop during prolonged exercise. Research has shown that taking oral BCAA will increase serum and can be used as energy fuel and reduce protein breakdown during exercise.

Research has also shown that the addition of amino acids in the blood facilitates release of HGH or human growth hormone. HGH stimulates the production of IGF-1 (insulin like growth factor) which promotes the growth of tissue, including muscle. Oral intake of amino acids such as glutamine, arginine, lysine or ornithine, in high doses can also increase the levels of hormones, but can cause some gastric problems to go with it.

Bovine colostrum is another supplement in the protein category which is widely used to enhance athletic performance. Studies show that its use is in adults for security settings. The main benefit of colostrum appears to be in its enhancement of immunity and healing properties. It contains high levels of immunoglobulin G, and lactopeptides to regulate the immune system. Colostrum has also been proven to heal damage to the intestinal mucosa caused by anti-inflammatory drugs or ulcerative intestinal diseases, and to encourage the growth of appropriate bacteria while destroying harmful bacteria and fungi. It contains growth promoting factors which stimulate the circulation of amino acids into muscle cells, DNA synthesis and cell division. The most powerful is the one that colostrum is collected in the first 24 hours, preferably the first 8 hours after the birth of the calf.

Since IGF-1 and HGH are banned substances in athletics, it is a major concern for any competitive athlete to avoid anything that could lead to positive doping tests. The American College of Sports Medicine found no positive results for both substances after four weeks of supplementation with bovine colostrum.

normal protein intake lasts about 0.8-1.4 grams per kg of body weight, while the amount suggested for those in the formation is from 1.6 to 2.8 g per kg body weight body. The higher protein intake creates a more positive protein balance, the higher the body weight tends to be gained lean body mass. Since protein supplements are not all created equal, it pays to read the list of contents to be sure of the amount of protein, calories and carbohydrates per serving. If weight gain is a priority, opt for the more high-calorie high protein. To stay slim, take the higher protein with fewer calories and fat. It should also be noted that the increased protein in the diet may lead to more acidic urine and increased calcium excretion. An average increase of 1 gram dietary protein results in the loss of 1 mg of calcium in the urine, so it is important to ensure sufficient calcium is included in the diet.

Protein supplementation is not a substitute for a balanced, nutritious meals, but is an effective way for athletes in hard training to increase their protein intake without much additional volume, calories, fat or carbs in their diet.



Source by Lorrie Wren

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