Purple kale juice, as a common drink, has no effects or contraindications, but it can provide the body with dietary fiber, vitamins and other nutrients. Purple kale juice is a healthy drink made by juicing purple kale. Each 100 grams of purple kale can provide 19 calories, containing 6.2 grams of carbohydrates, 3 grams of dietary fiber, 1.2 grams of protein, 0.2 grams of fat. Drinking purple kale juice in moderation can provide the body with a variety of nutrients, especially the high content of dietary fiber, which can promote intestinal peristalsis, constipation patients can eat more appropriately, and healthy people drink also help to maintain intestinal health. Purple kale also contains more vitamin C, anthocyanins and other nutrients, beneficial to human health. However, it should be noted that when consuming kale juice, it is recommended not to add sugar, otherwise it is easy to lead to excessive calories, which is not conducive to good health. At the same time, it is recommended to drink it now, do not keep it for too long, so as not to oxidize and deteriorate. People with weak digestive function need to limit their intake to avoid nausea, vomiting, abdominal pain, diarrhea and other indigestion symptoms.