One cup of pineapple has only 82.5 calories, but provides 131% of your RDA of vitamin C and 76% of your RDA of manganese. Vitamin C is essential for many vital processes, including growth and development, immune system support, and absorption of iron from your diet.
Vitamin C also plays a role in keeping your skin looking young. Manganese is a mineral that supports healthy growth, regulates metabolism and has certain antioxidant properties.