eremesu, I believe the OP wants to reduce CREATININE, not Creatine. There is a difference. However if I am misunderstanding mrpotato, I'm sure he will let me know and I can correct myself.
How to reduce Urine protein(creatinine)in body? Increase in the levels of creatinine will lead to kidney failure and it also affects other parts of the body. Keep your creatinine(PROTEIN) levels in control which helps you to stay healthy. Follow these simple steps to keep your creatinine (HIGHER LEVEL OF PROTEIN) levels in control.
Drink 6 glasses of water every morning when you wake up.Try to avoid morning coffee, instead you can go for Green tea or Hibiscus tea which also helps in lowering cholesterol levels.
Step 2 Avoid taking diary products, meat, fish, etc.. Avoid foods rich in protein.
Step 3Avoid foods rich in protein and have a steady walk every day and keep yourself away from high protein foods and keep your kidney healthy.
Step 4Use a protein tracker to have an eye on your daily protein intake.
Step 5Monitor the level of creatinine periodically. Keep your protein levels in control and stay healthy.
How to Reduce Creatinine Levels in Blood | eHow.com