Michelle Trachtenberg’s cause of death revealed after ‘Gossip Girl’ alum’s sudden death at 39

Michelle Trachtenberg’s origin of decease has been revealed astir 2 months after her death.

The “Gossip Girl” alum died of complications from glucosuria mellitus, nan New York City Office of nan Chief Medical Examiner confirmed to Page Six Wednesday.

Her mode of decease was wished to beryllium natural.

Trachtenberg’s origin of decease had initially been ruled “undetermined” aft her family objected to an autopsy.

The character was recovered dormant successful her New York City flat connected Feb. 26. She was 39.

Sources antecedently told The Post that nan “Buffy nan Vampire Slayer” alum received a liver transplant wrong nan past year.

Less than a week earlier she passed, Trachtenberg appeared to beryllium “in very bad shape” while eating astatine Italian eatery Sartiano’s pinch friends, Page Six learned.

Trachtenberg reportedly looked “frail” and could hardly “walk down nan stairs.”

The “Ice Princess” prima sparked concerns astir her health erstwhile she shared a photograph of herself appearing gaunt connected Instagram past year.

At nan time, fans flooded nan remark conception pinch interest and Trachtenberg responded, “Explain to maine really I look sick.”

“Did you suffer a almanac and not recognize I’m not 14. I’m 38. How sad for you to time off specified a comment,” she wrote.

The Disney alum past shared different photograph of herself, claiming she was “happy and healthy.”

“I’ve received respective comments precocious astir my appearance. I person ne'er had integrative room I americium happy and healthy,” she captioned nan snap. “Check yourself haters.”

While Trachtenberg ne'er said retired astir her health, she allegedly knew it was a “high possibility” that she would die, according to her pal Amanda de Cadenet.

“I will not stock nan specifications of our conversations complete nan past 6 months, but you knew that decease was a precocious anticipation and I americium only sorry that nan result was not a amended one,” nan photographer wrote successful a tribute to nan precocious prima successful February.

Blake Lively, Ed Westwick, Rosie O’Donnell and much celebs besides mourned nan “Inspector Gadget” star.