Purple kale juice is an ordinary food that does not possess the so-called magical properties, and its main value is in providing the body with vitamins, minerals and other nutrients. Purple kale juice is made by juicing purple kale. Each 100 grams of purple kale contains 19 calories, including 1.2 grams of protein, 6.2 grams of carbohydrates, 0.2 grams of fat, and contains calcium, iron and other minerals and anthocyanins. Proper consumption can add a variety of nutrients to the body and is also a good source of water. However, if you consume purple kale juice in excess, it can easily cause indigestion and other symptoms, increasing the probability of abdominal pain, diarrhea, nausea and vomiting. So, it is recommended to consume purple kale juice just properly.