She can consume enough food for more than a dozen adults in a single day — but her latest health check left fans stunned. South Korean mukbang YouTuber Tzuyang, famous for devouring up to 30,000 calories in a day while maintaining a petite frame, revealed that she weighs just 45 kilograms (about 99 pounds) and has muscle mass comparable to that of a teenage high school student. On March 1, Tzuyang uploaded a video titled “What is the weight and fitness level of someone who eats 30,000 calories a day? I got an X grade” on her YouTube channel V-log Tzuyang. In the video, she underwent a comprehensive physical fitness test at a certified fitness evaluation center, including treadmill endurance, grip strength and sit-up measurements. Tzuyang said she had previously maintained a weight between 46 and 48 kilograms before bulking up to 58 kilograms through exercise. However, after she stopped working out entirely, she said she lost 14 kilograms rapidly. “I thought I would get Grade 2,” she said confidently before the test results were revealed. Instead, she received Grade 3. An official