Liver can be an excellent source of nutrients. Both lamb’s liver and beef liver are widely consumed and can contain high amounts of vitamin A, B vitamins, as well as certain minerals including iron and copper. Liver is an important storage organ for fatty acids, and the fatty acid content of the liver is determined by the food origin of the animal in question. Beef cattle fed grass tend to be leaner than grain fed animals. However, the total liver fat of both types of animals is similar, with similar amounts of polyunsaturated fats. One difference though is that the grass fed animals tend to have a greater quantity of omega-3 fatty acids in their livers, and the ratio of omega-3 to omega-6 is more beneficial with regards to human health. Lamb’s liver has a higher content of fat compared to beef liver, but the amount of polyunsaturated fat is similar. However, of the polyunsaturated fat in lamb’s liver, the content of omega-3 and omega-6 is higher than beef liver, and the ratio of omega-3 to omega-6 more favourable.
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