Kalonji seeds are a powerhouse of crude fibres, amino acids, iron, sodium, calcium, and potassium. Kalonji is also rich in vitamins that include - Vitamin A, Vitamin B, Vitamin B12, Niacin, and Vitamin C. Kalonji seeds are powerhouse of crude fibers, amino acids, iron, sodium, calcium, and potassium. BLACK SEED is also rich in vitamins that include- Vitamin A, Vitamin B, Vitamin B12, Niacin and Vitamin C.