What are the snacks that don't gain weight?

South Korea's clean garden olive oil seaweed, Korean laver and seaweed are both famous. This kind of seaweed is crisp and healthy with little salt content, and it is not easy to gain meat. There is also a kind of temporary kelp in Taiwan Province and Japan, which is actually Undaria pinnatifida. It has almost no calories and is very chewy. It can be eaten slowly for a long time. Dark chocolate is also not easy to gain weight. The sugar content and fat content of dark chocolate are relatively low. After it becomes glucose, it enters the blood and slowly releases energy in the body. Peanut is rich in linoleic acid, which can help the blood flow in the brain. It is also rich in protein and vegetable oil, and peanuts, almonds and walnuts are not easy to get fat. Beef jerky is rich in protein, with some heme iron, zinc, selenium and various B vitamins, and it is not easy to get fat.