Hazelnuts can be supplemented with substances: 1, polyunsaturated fatty acids, because as a nut food, hazelnuts are rich in polyunsaturated fatty acids, can well regulate the metabolism of the nervous system, has a very good educational brain function. 2, zinc, and zinc for wound healing has a significant role in promoting. 3, rich fat, 1 gram of fat can produce 9 kcal of heat, hazelnuts in the supplement Physical strength, relieve fatigue, improve physical fitness is also very obvious.