Fat loss can eat purple potatoes, but it is not recommended to eat too much purple potatoes. The nutritional value of purple potatoes is high, every 100 grams of purple potatoes contain 73.4g water, 24.7g carbohydrates, 1.1g protein, 0.6g ash, 0.2g fat and other nutrients, moderate consumption of purple potatoes can provide the body with the nutrients needed. In addition, purple potatoes contain dietary fiber, dietary fiber can promote gastrointestinal peristalsis, help digestion. Usually eat purple potatoes properly will not affect weight loss, so you can eat purple potatoes during weight loss. However, it is not advisable to consume too much purple potatoes during the weight loss period, so as not to have too much energy intake, which is converted into fat to cause fat. In summary, you can eat purple potatoes properly when you lose weight, but it is not recommended to eat too much.