It involves the entire body and may significantly cause negative effects if not properly administered and controlled. Health is greatly dependent thus, one should indeed be cautious. Sports is generally positive and healthy but at times, it is coupled with improper nutrition that significantly depletes its favourable effects. For girls with ages twelve to fifteen, they must have at least one thousand milligrams of calcium per day. For teenagers with ages sixteen to eighteen, on the other hand, should have a normal calcium intake per day, which is eight hundred milligrams. For women who are having their menstrual periods, they should also take eight hundred milligrams of calcium a day. Powdered proteins and carbohydrates are delicious ingredients to a glassful of smoothies or fruit punch. These sports nutrition supplements are also good for people who are on the go. They are good meal replacements for those who want to lose weight or meal addition for those who want to gain weight. But if you want to be recognized as an athlete, you ve got to have the right nutrients in your regular food intake, specifically sports nutrition protein. While it is true that drinking enough water and eating a balanced diet is enough for the regular guy, sports people you included need additional nourishment, for the efficient production of energy and fuel. Basic dietary patterns of our ancestors Evidences about prehistoric people s diets can be glimpsed from the artifacts used in food preparation such as milling, baking, and ultimately cooking. From these bits of information, we are informed that the basic diet of early Greeks and Romans for instance was a perfect combination of plant and animal products. As scientists learned more and more about our bodies and the optimum level of strength and physical fitness they can harbor, businessmen jumped the gun and manufactured products and services that actually help athletes meet these optimum levels. The media joined in the ruckus and published materials leading to the promotion of both the scientific and the commercial side of the field.