You won't believe what body builders are injecting themselves with now

Doctors are warning against a new practice among bodybuilders that can result in serious complications.

Some amateurs are ditching steroids and other performance-enhancing drugs for natural oils such as coconut or sesame oil, which they inject directly into the muscle to improve definition.

Doctors in West London say recent reports on the practice are just the tip of the iceberg.

While it’s unclear how widespread it is in Australia, “site enhancement oil” comprising mostly medium chain triglycerides, along with alcohol and lidocaine, can easily be bought online under the name of Synthol.

This month The BMJ highlights the case of  a 25-year-old man who was referred to hospital because of pain and loss of function in his right arm over several months. An ultrasound scan showed a rupture in his triceps and multiple cysts within the arm muscles.

He told surgeons