Raw walnuts are rich in nutrients, containing a large amount of essential amino acids, fats, vitamins and other nutrients that can improve immunity, as well as provide anti-aging and brain-supporting and calming effects. Walnuts are also a good source of alpha-linolenic acid. Raw walnuts are a good brain food, rich in large amounts of zinc, manganese, chromium, etc. The total amount of walnuts taken daily should be about 20-40 grams, about 4-5 walnuts, which should not be excessive to avoid excessive calorie intake and lead to obesity. It is recommended that you can supplement 2 raw walnuts at 10:00 am and 3:00 pm to meet the body’s nutritional needs. They can be consumed at these two times as a snack to replenish energy and not interfere with the main meal. In addition, raw walnuts are not recommended for patients with Yin deficiency and diarrhea.