Both developed the rare kidney disease nephrotic syndrome and Vidiri said “it does make you wonder” about use of the substance.
Creatine is a legal amino acid supplement marketed as boosting muscle mass and energy.
The University of Maryland Medical Center says that in high doses it has the potential for serious side effects, including kidney disease.
However, former All Blacks medic John Mayhew said Lomu’s renal problems had been diagnosed during the period Vidiri was referring to and there was no evidence the player took creatine.
