Cereal is a food, does not have any efficacy and effect, can only supplement the body nutrition, provide energy, moderate consumption of the body is beneficial. Cereal is a common food with some nutritional value, but there is no authoritative information that cereal has any efficacy and effect. From a nutritional point of view, cereal contains 11.3% water, 67.3% carbohydrates and 12.4% protein. 100g of cereal can provide about 1629KJ of energy. Therefore, muesli can replenish the nutrients contained in the body and provide energy, and moderate consumption of muesli is beneficial to health. However, not everyone can consume it, and if you are allergic to cereal, you need to avoid it. In your daily life, you need to have a balanced nutrition and a varied diet. When you feel unwell, you should seek medical advice.