LIFENOW Black Seed (Kalonji) Oil Supplement, 500mg- 60 Veg. CapsulesBlack seed Oil is the seed extract from black cumin. It is well known to a few people in the Middle East and Indian Subcontinent areas. What are Black Seeds and Black seed Oil? Black seed is widely used in Ayurved. The Black seed oil is extracted from the blue coloured flowers and black seeds produced by Kalonji herbal tree. The seeds are called nigella seeds, which were famous by the name kalonji in the Middle East, India, Bangladesh, Pakistan, etc.