Protein Power Essays -- Eating Health Essays

Protein Power 1. Description Met-Rx can be used as a meal supplement or meal companion. It is mostly used by body builders in order to build body mass. It is packaged in the form of food bars or powdered shakes. (www.metrx.com/tutorials-and-quiz/quiz.html) The purpose of this treatment is to "support protein synthesis, energy production, and fat utilization" (www.met-rx.com/faq/default.htm). The ingredients contained in these combinations allow the body to acquire all the necessary nutrients for maximum metabolic effect. 2. Types of Protein Supplements Shakes are used so that the time consuming calorie counting, etc. can be avoided. They are also designed to "maximize the oxidation and storage potential of some metabolic pathways (protein and carbohydrates) and limits others (fat)" (www.metrx.com/tutorial-and-quiz/lesson7c.html). Currently, whey protein has the highest Biological Value (a number used for comparing protein value in foods.) The fact that whey protein was produced as a result of milk protein and there is no inclusion of fat or lactose allows whey protein to be very beneficial. Whey protein has also shown an increase in levels of glutathione (an antioxidant which is necessary in a healthy immune system). (www.powersupplements.com/protein.htm) For this reason, the University of Nebraska Medical Center studied the effects of a protein diet on hamsters. They concluded that the "life span of hamsters was extended by 60% by supplementing their diet with whey protein" (www.powersupplements.com/protein.htm). Considering this study deals with hamsters, the results can not be assumed exact for humans, nonetheless they are encouraging. 3. Food Vs. Protein Supplement ... ...cience Nutrition. Jul;39(4):317-328. (3) Dohm GL. (1984). Protein nutrition for athletes. Clinical Sports Medicine. Jul;3(3):s595-604. (4) Jenson, MB and I Hessov. (1997). Dietary supplementation at home improves the regain of lean body mass after surgery. Nutrition. May;13(5):422-430. (5) McCarthy, D and D Weihofen. (1999). The effect of nutritional supplements on food intake in patients undergoing radiotherapy. Oncol Nurs Forum. Jun;26(5):897-900. (6) Nesheim, MC. (1999). What is the research base for the use of dietary supplements? Public Health Nutrition. Mer;2(1):35-38. (7) Arslanian, S. and S DaSilva, FL Goss, J Kang, KF Metz, RJ Robertson, RR Suminski, and AC Utter. (1997). Acute effect of amino acid ingestion and resistance exercise on plasma growth hormone concentration in young men. Int. J. Sport Nutrition. Mar;7(1):48-60.