Erbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68.A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements on Earth.rbium is a chemical element in the lanthanide series, with symbol Er and atomic number 68.
Many factors may result in elevated creatinine and BUN numbers, but we will only talk about those numbers caused by kidney damage here. So you should make sure you have already been diagnosed with kidney diseases. The normal range of creatinine level for men is 0.6-1.2mg/dl; for women is 0.5-1.1mg/dl. The normal range of BUN numbers for adults is 9-20mg/dl.
Creatine turnover is a function of total muscle mass and for an average sized male is rougemy 2 grams per day. Therefore, an average sized male (70 kilograms / 154 pounds) should never take more than 20 grams per day! How to accurately calculate your creatine dose according to these guide lines is discussed next.