The main reason why you should not peel apples is because apple’s skin contains ursolic acid which is a substance that may ward off muscle atrophy and promote muscle growth according to a study from the University of Lowa.
The main reason why you should not peel apples is because apple’s skin contains ursolic acid which is a substance that may ward off muscle atrophy and promote muscle growth according to a study from the University of Lowa.