Nigella Sativa
Nigella sativa is an annual flowering plant in the family Ranunculaceae, native to south and southwest Asia. N. sativa grows to 20–30 cm tall, with finely divided, linear leaves. The flowers are delicate, and usually colored pale blue and white, with five to ten petals.

Also known as black cumin, nigella or by its scientific name Nigella sativa, kalonji belongs to the buttercup family of flowering plants.

It grows up to 12 inches (30 cm) tall and produces a fruit with seeds that are used as a flavorful spice in many cuisines.

In addition to its culinary use, kalonji is known for its medicinal properties.

In fact, its use can be traced back several centuries as a natural remedy for everything from bronchitis to diarrhea.

This article discusses 9 of the most impressive science-backed benefits of kalonji, plus how you can add it to your diet.