Uni-Liver is perhaps the most nutritionally-dense amino acid formula in the Universal line and possibly the world. Each 30 grain Uni-Liver tablet is packed with the highest quality, purest glandular substance derived from prized, grass-fed (hormone-free) Argentine beef. Uni-Liver contains a full spectrum of amino acids as well as other necessary and essential nutrients found only in liver. Natural Desiccated And Defatted Argentine Liver Cold Processed For Absolute Purity Sourced From Grass-Fed, Hormone-Free Cattle