Many of us are still not fully aware what this item is ..... and how serious it could be, if left unattended without proper medical attention. When we goes for our health examination by the laboratory, this item is often included and it will be measured from the urine. When the level is too high, it would mean that the kidneys' function is facing problem and should the problem becomes critical, ones may even need to undergo renal dialysis to resolve it. Creatine is stored mostly in our muscles' system and when, ones goes for vigorous exercises, this item will be flushed out. Of course, the level measured for man is higher than the level for woman ... because the former has more muscles in their body. As MedicineNet.Com explains ......... Creatinine is a chemical waste molecule that is generated from muscle metabolism. Creatinine is produced from creatine, a molecule of major importance for energy production in muscles. Approximately 2% of the body's creatine is converted...