Essential Fatty acids, Sterols, & More Natural omega-3s, -6s, and -9s. Remote source Highly aromatic Natural antioxidant Oil of Black Seed is the natural way to feed the cells of the body with a luscious, aromatic oil. This is a top source of essential fatty acids, among other vital nutrients. This is 100% cold-pressed Mediterranean black seed oil. Oil of a Black Seed is a natural source of vitamin E, sterols, sterolins, and vital omega-3s, -6s, and -9s.