Zucchini is a summer squash that is native to the Americas. Due to its high water percentage, zucchini is low in calories, carbs and sugars, and high in essential nutrients like potassium, manganese, and antioxidants like vitamin C and vitamin A. It helps improve heart health, digestion, control diabetes, lowers cholestrol and can also help improve thyroid. It is a favorite among low-carb dieters and anyone who wants to lose weight quickly. You can use it in a variety of recipes: a healthy snack, dips and vegetarian entrée.