Grass Fed Blood is a whole food dietary supplement that contains pure grass fed New Zealand sourced bovine blood, liver, and spleen. These nutrient-dense foods are rich in heme iron, red and white blood cells, platelets, immunoglobulins (immune proteins), vitamin B12, A, D, K2, CoQ10, choline, folate, as well as peptides, cofactors and enzymes that nourish and support our whole body especially our blood, liver, and spleen.