1. Avocado Calories: Approximately 160 calories per 100 grams, with about 15 grams of fat. Why eat it? Avocado is packed with monounsaturated fats that are heart-healthy, helping to reduce bad cholesterol (LDL) while increasing good cholesterol (HDL). It’s rich in vitamin E, vitamin K, potassium (more than a banana!), and dietary fiber, all of…