A post mortem report showed Michael Jackson was in overall good health before his overdose, according to Associated Press.
The report, obtained by the news agency allegedly says the star's arms were covered with punctures, his face and neck were scarred and he had tattooed eyebrows and lips.
But he was not the sickly skeleton of a man portrayed in media reports.
AP claims the Los Angeles County coroner's report shows Jackson was a fairly healthy 50-year-old before he died of an overdose.
His heart was strong and his kidneys and most other major organs were normal, according to the leaked report.
Jackson did have health issues including arthritis in the lower spine and chronically inflamed lungs that could could have left him short of breath.
However, according to the document, the lung condition was not serious enough to be a direct or contributing cause of death.
"His overall health was fine," said Dr Zeev Kain, chairman of the anesthesiology department at the University of California, who reviewed a copy of the report for the AP.
"The results are within normal limits."
Jackson died at his rented Los Angeles mansion on June 25 after his personal doctor, Dr Conrad Murray, administered the anesthetic propofol and two other sedatives to get the chronic insomniac to sleep, court documents state.
Propofol, normally a surgical anesthetic used in operating rooms, acts as a respiratory depressant and requires constant monitoring.