There are several types of milk, each with its own nutritional characteristics and advantages. Cow's milk is most commonly consumed, but goat milk and sheep's milk are also popular. There are also soy milk, rice milk and other types of vegetable milk, which are often used by lactose or vegetarian intolerant people. Milk is an important source of proteins, vitamins and minerals, in particular vitamin D and calcium. It also contains iodine, phosphorus, potassium and magnesium. However, milk can also contain saturated fats and cholesterol, so it is recommended to consume it in moderation and choose lighter fat versions if you are at risk of cardiovascular disease.