Superfood (noun)

1. A food that is considered to be particularly nutritious or beneficial to one's health.
2. A food that is packed with nutrients and is considered to be particularly good for one's health.

Origin:

From the prefix super- meaning above, beyond, in addition to and food.

Examples:

1. Blueberries are considered a superfood.
2. Avocados are considered a superfood.
3. Salmon is a superfood that's rich in omega-3 fatty acids.
4. Broccoli is a superfood that's high in Vitamin C.
5. Dark chocolate is a superfood that's high in antioxidants.