This content is about how to build a body for people who play sports, but... It also applies to the general public. Carbohydrates, protein, how to consume them, when to eat to avoid gaining weight, and what to eat when. How does this affect the skin? I was able to understand, "So that's what was causing my skin problems!" It's important to understand things without wasting time. I read this to learn the basics of diet and body shape maintenance. Retail price: ¥1,430