Vitamin Korean is an integrated textbook series designed to help learners from diverse backgrounds accurately understand and communicate in Korean while gaining insights into Korean culture. The series strengthens all four language skills through engaging activities and provides practical language functions needed for daily life and various professional fields. With structured activities tailored for real-world learning environments, this book helps learners develop reading comprehension, situational awareness, and problem-solving skills. Each of the five themed units includes a review section with TOPIK-style practice questions, allowing learners to prepare for the exam at their own level. Vitamin Korean 3 is designed for intermediate learners who have completed the beginner level. It focuses on real-life situations that foreign students may encounter while studying and living in Korea. By learning practical expressions and communication strategies, learners can navigate daily life in Korea with confidence and ease.