Triangular gimbap is very convenient. It is easy to replace meals with it. However, it has a few side effects that are harmful to people's health. The amount of sodium and fat it contains is near the Daily Reference Value. The nutrients it contains are 20~30% of the amount a person needs to take a day. Also, synthetic preservative was found. It was revealed that several food additives are added to it because the main resource, rice, is at least 2-3 years old and manufacturers added artificial flavor enhancer to remove rice smell and bleach to make the rice whiter.