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After 100kg weight loss through juice fasts, semi-ketogenic and now a full-on keto diet, father of four is ‘no longer ashamed of my size’

  • After flatlining under anaesthesia during an emergency operation ‘because I was fat’, Hongkonger Gill Mahtani vowed to lose the excess kilos he was carrying
  • ‘I was 105kg overweight and really unhealthy,’ the father of four says. Juice fasts took care of 60kg, and a semi-ketogenic, then a full keto diet another 40kg

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Gill Mahtani in 2011 when he weighed 180kg and in December 2022. A financial consultant in Hong Kong, he used juice fasts and a semi-keto diet to shed 100kg. Photo: Gill Mahtani/Yik Yeung-man

Gill Mahtani remembers being a “fat and chubby” child, in part because of a diet of calorie-dense, processed and convenience foods.

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In his mid-teens, he became addicted to hard drugs and lost a good deal of weight. After kicking his addiction 15 years later, he turned to food for comfort – and saw the excess kilograms pile back on.

Over the next few years, Mahtani’s weight ballooned to 180kg (397 pounds) – until a health scare prompted him to spend the next 10 years trying to slim down.

“It was 2011; I was 34 years old and had to be hospitalised for an emergency,” says the now 45-year-old financial consultant and father of four, who was born and raised in Hong Kong and lives in Kowloon.

Mahtani and his wife Anne in 2014. The journey to a trimmer body was not easy for him. Photo: Gill Mahtani
Mahtani and his wife Anne in 2014. The journey to a trimmer body was not easy for him. Photo: Gill Mahtani

“The doctor put me under general anaesthesia and I ended up flatlining. For two whole minutes, I was basically dead. When the doctor revived me, he told me that being overweight increases one’s risk of dying while under general anaesthesia – and that I’d flatlined because I was fat.

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“He wasn’t wrong. I was 105kg overweight and really unhealthy; all my life, I’d followed a ‘see food’ diet – that is, I would see food and eat it.”

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