Kalonji Seed powder- Benefits, Price & Uses Kalonji seed powder is widely used for medicinal purposes and has a history of a thousand years. It is found in various forms like Kalonji oil, roasted seeds, raw seeds, etc. Kalonji seeds powder has amino acids, iron, calcium, and potassium. more : https://www.theyoungchemist.com/detail/kalonji-seed-powder.html