Waistab Diet Konkuk University is a salad and protein box restaurant near Konkuk University Station in Seoul. It serves a beef protein box, a smoked duck light box, and beef pasta, with vegetables, protein, and carbohydrates in each box. One box contains 30g of protein and takeout is available, and the meat does not become tough over time. Side dishes include tomato soup and thick Greek yogurt, and staff guide customers to the sauce that matches their menu.