You can eat watermelon regularly. Per 100 grams of watermelon contains only 30 calories. Which does not allow weight gain but helps to reduce it. Eat watermelon regularly. It will be beneficial. You can eat black plum. Black plum is very beneficial for weight loss. It is full of antioxidants. Which increases digestion. Likewise, it increases the metabolism rate. There is no way for fat to accumulate in the body.