Boost omega-3 fatty acids and vitamin A with Dr. Berg Cod Liver Oil Capsules. Cod liver oil is an incredibly rich source of DHA and EPA omega-3 fatty acids and contains concentrated amounts of vitamin A. This unique formula includes purified bile salts for maximum benefit. Because we utilize a heatless drying technique, our high-quality cod liver oil benefits from extended shelf life. Each bottle supplies 90 potent powder-filled capsules.