Our prepackaged DD brand all natural grass-fed lean ground beef has been raised without growth hormones, antibiotics or any other drugs. When compared to grain-fed beef it is lower in total fat, higher in beta-carotene, higher in vitamin E, higher in the B vitamins thiamin and riboflavin, higher in omega-3's, higher in CLA (a potential cancer fighter), higher in vaccenic acid, lower in saturated fats (linked to heart disease) and has a healthier ratio of omega-6 to omega-3 fatty acids.