Yoon Si-yoon loses 5kg in a day → body fat percentage 3%…he sacrificed his body for 'Taxi Driver 3'

Actor Yoon Si-yoon lost about 5kg in just one day and reached a body fat percentage of 3%, showcasing his extreme dieting process for his character in 'Taxi Driver 3,' simultaneously inspiring astonishment and support from viewers.

In the SBS entertainment show 'My Ugly Duckling' aired on the 22nd, Yoon Si-yoon's unexpected daily life, known as 'Alarm King,' was depicted.

Maintaining a healthy physique of 177cm in height, 67kg in weight, and a body fat percentage of 6.7%, Yoon Si-yoon declared 'I need a transformation before filming 'Taxi Driver 3'' and surprised everyone by announcing a 24-hour water fasting.

He said, 'I need to look so gaunt that I appear sickly,' and began fasting without even drinking water from the day before. Already with a pale face, he engaged in high-intensity workouts, stating, 'I need to sweat as much as possible,' continuously training without rest. During this process, he remarked, 'It's tough, but I'll do it for the character,' demonstrating a professional attitude that made the studio solemn.

Yoon Si-yoon, who even challenged extreme sauna dehydration methods, eventually found himself so dry that he collapsed, and the cast expressed concern, saying, 'I'm feeling dizzy' and 'I'm afraid I might collapse.' However, he endured the thirst without a drop of water, mentally sustaining himself by repeating, 'Others live like this.'

As a result, he successfully lost 5kg in just one day, reducing his weight to 62.3kg, and his body fat percentage dropped to 3%, achieving complete dehydration. Fellow cast members exclaimed, 'This is truly severe,' and the MCs were astonished, asking, 'Is this really possible?'

Yoon Si-yoon expressed curiosity about how he would appear to the camera in such a condition, saying, 'I want to attempt a sharp and decadent look that I have not shown until now.' When he began actual filming, he appeared with a strikingly intense atmosphere, completely different from before, surprising everyone. The MCs questioned, 'Is that really Yoon Si-yoon?' while viewers responded with, 'What kind of role could it be?' and 'Is he playing a villain?'

'Taxi Driver 3', which will showcase a new facet of actor Yoon Si-yoon who sheds the image of a 'romantic comedy master.' Expectations are already rising about how his transformation will lead to results.

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