They achieve the body and endurance that we envy because of regular exercise, body training, proper diet and sports nutrition supplements. Sports nutrition supplements may be in a form of capsule, powdered shakes, liquid food and candy-like bars. What are sports nutrition supplements and what they can do to your body are the things that you should know first before you head to your local health stores for gallons of protein shakes, carbohydrates bar, and amino acid capsules. 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. They ate several variety of cereals, vegetables, fruits (fresh and dried), and lots of wine (usually diluted with water in varying degree). The result is that the distinction between a nutrient and a performance-enhancing substance has become increasingly blurred. Some of these supplements contain ingredients that can cause athletes to violate the rules and regulations governing their sport because of unintentional contamination by other, exotic , substances present in the supplement manufacturing environment. You need glucose to keep your blood sugar in normal levels. Glucose fuels the brain and the muscles during an activity. If you lack glucose in your body, you cannot think properly because your brain does not have enough fuel that it needs. Worse, you might faint even before the race begins of hypoglycemia. You see, sports nutrition is different from normal nutrition because with sports nutrition, the athletes require more nutrients to keep their energy up during their various activities. Athletes perform strenuous activities, that is why more nutrients are needed to keep them running. Athletes lose a lot of fluids during their game. Post menopausal women should have at least one thousand milligrams per day of calcium, while women who are pregnant and who are also breastfeeding should have one thousand two hundred milligrams per day. Keeping your body s fat levels low is the aim of many female athletes. Excess fats may be detrimental to performance.