Pineapple is said to have originated from South America and is rich in nutrients and antioxidants that can fight inflammation. Also, known as Ananas comosus, this healthy fruit has loads of health benefits that can aid in good digestion and boost your immunity. This fruit is also good for your hair, skin and bones. It contains vitamin A, vitamin K, phosphorus, calcium and zinc that can work wonders in fighting many diseases. Its rich source of vitamin C helps in maintaining a healthy immune system while its content of manganese provides you with a healthy metabolic rate. Thus, the two major compounds that make pineapple a healthy food are manganese and vitamin A.