Blueberry
Blueberries are very low in calories and are incredibly nutrient-dense. They are considered to be the richest food in antioxidants among all fruits and vegetables. They contain mainly flavonoids, more specifically anthocyanins giving them their deep blue color. Antioxidant properties of blueberries help reduce DNA damage and therefore slow down aging and have anti-cancer effect on our body. They are also believed to be mood boosters. Blueberries help reduce cholesterol levels, lower blood pressure and protect our heart. They have low glycemic index and are an excellent choice for people with diabetes and can be consumed as a prevention against this health issue. Lastly, they improve cognitive performance and brain health.