What Did Park Ji-hoon’s Eat To Lose 15kg?

Actor Park Ji-hoon recently revealed that he lost 15 kilograms (about 33 pounds) to portray King Danjong in the upcoming film “The King’s Warden“. His diet shocked many fans as the transformation sparked concern around the communities.

Park Ji-hoon with short, dark hair is winking and forming a frame with his hands against a patterned background.
Park Ji-hoon / News 1

Park Ji-hoon shared during a variety show appearance that he drastically reduced his weight by following a strict diet and eating just one apple a day. The actor explained that he intentionally chose apples because it is a fruit he dislikes, believing it would help suppress his appetite. “I love eating, but I thought I needed to feel hunger so that emotion would show on my face,” he said while discussing the preparation process for the role.

His statement drew the attention of not only fans but also health experts that were concerned about the extreme diet measures the actor took preparing for his role.

When calorie and protein intake drops too low, the body may begin breaking down muscle tissue to generate energy. As muscle mass decreases, the body’s ability to support bones and protect joints also weakens. A prolonged lack of nutrients such as calcium, vitamin D, and magnesium can also affect bone health. In some cases, the body compensates by pulling calcium from bones, potentially lowering bone density. If bone density declines significantly, it can lead to osteoporosis, a condition where bones become fragile and more prone to fractures.

Although osteoporosis is often associated with older adults, specialists note that it can also appear in younger individuals who experience severe nutritional imbalance or rapid weight loss.

Park Ji-hoon with short hair, wearing a brown suede jacket and a light checkered shirt, looks directly into the camera at a promotional event.
Park Ji-hoon / News 1

Experts emphasize that healthy weight loss should involve balanced nutrition combined with exercise, rather than extreme restrictions. Many fans expressed their concern for the actor’s health as well wishing him a healthy lifestyle.

Park Ji-hoon’s transformation highlights the intense preparation sometimes required in film productions. At the same time, the conversation surrounding his diet has sparked broader awareness about the importance of protecting muscle and bone health during weight loss.