Black Seed plus capsules are a natural source for trace minerals including iron, zinc, calcium, magnesium, and chromium. All the ingredients found in Black Seed plus are completely wild from remote, high-mountain regions. Black Seed is one of the most aromatic of all wild spices. North American Herb's Black Seed Plus capsules are non-irradiated and free of all chemicals and additives. It is so tasty you can open the capsule and add it to your food.