The cause of death for Celebrity Chef Anne Burrell has been revealed.

The popular chef died by suicide at the age of 55 on June 17 at her home in Brooklyn, according to the New York City medical examiner’s office per the New York Post.

Her death was caused by acute intoxication from a combination of substances, including diphenhydramine (an antihistamine), ethanol (alcohol), cetirizine (an allergy medication), and amphetamine.

The 55-year-old Food Network star was found dead in the shower of her Brooklyn home on Tuesday, June 17. Per an internal NYPD report obtained by the Times, Burrell was discovered “unconscious and unresponsive” surrounded by approximately 100 assorted pills. A spokesperson for the NYPD confirmed to PEOPLE that emergency responders arrived on the scene but were unable to revive her. The New York City Fire Department’s 911 call report noted the caller believed Burrell may have suffered cardiac arrest.