“ L-carnitine treatment was associated with a significant drop … of serum urea nitrogen, creatinine and phosphorus (means +/- SEM, 101 +/- 4.5 to 84 +/- 3.9, 16.7 +/- 0.67 to 14.7 +/- 0.….4 +/- 0.3 to 5.5 +/- 0.4 mg/dl, respectively, P less than 0.004).”