Kalonji Powder Take ¼ - ½ teaspoon of powdered Kalonji. Swallow it with water or honey after taking lunch or dinner. 2. Kalonji Capsule Take 1 capsule with water after taking lunch or dinner. 3. Kalonji Oil Take ¼ - ½ teaspoon of Kalonji oil with warm water once a day after a meal. Do check the label of Kalonji oil bottle before using internally.