1. Apples
Apples are highly nutritious and one of the most popular fruits in the United States (1).
One cup (109 grams) of apple slices provides 62 calories and almost 3 grams of dietary fiber (2Trusted Source).
Apples are not only low in calories but also a good source of nutrients, such as fiber, vitamin C, and potassium, as well as antioxidant compounds like the flavonoid quercetin .
2. Arugula
Arugula is a dark leafy green with a peppery flavor.
It’s commonly used in salads and rich in vitamin K. Plus, it contains folate, calcium, and potassium.
One cup (20 grams) of arugula has only 5 calories .