what's in pineapple
âAs well as having high amounts of manganese, which is important for antioxidant defenses, pineapples also contain high amounts of thiamin, a B vitamin that is involved in energy production,â Flores said. For all its sweetness, one cup of pineapple chunks contains only 82 calories. Pineapples are also fat-free, cholesterol-free and low in sodium. Not surprisingly, they do contain sugar, with 16 grams per cup.