Fiber is also filling, which is important for people trying to lose weight. Researchers at UCLA found that pectin, the fiber found in apples, doubles the time food takes to be emptied from the stomach. Therefore, people who consumed an apple prior to eating a meal felt satiated longer and decreased their caloric intake. 

Final Tips to Get the Most Out of Apples 

Never remove an apple's peel: you're losing the majority of the health benefits! As with most fruits and vegetables, the whole piece is the best method of consumption when it comes to apples. The apple's peel contains most of the fiber, vitamins and antioxidants that give apples their health benefits. 

Also beware of apple products, many apple sauces, jellies, jams and juices contain extra sugar, preservatives and even dyes to make them more appealing or palatable.