Big Tine Nitro Granular Block Deer Supplement contains the essential trace mineral nutrients and key vitamins that deer need. Big Tine Nitro is powered by a unique mineral management innovation that offers a range of trace minerals that provide mineral nutrition in a form as close to nature as possible. These trace minerals are easily absorbed and readily metabolized, to optimize overall health and genetic potential. This unique combination of trace minerals (zinc, manganese, copper, iron and cobalt) are co-factors in enzymes critical to the deer's defense system, growth and reproduction. This system offers a higher bioavailability than inorganic minerals, reduces concerns about negative mineral interactions, and supports mineral retention and tissue reserves. This organic approach allows minerals to be readily absorbed, stored, and utilized by deer. Big Tine Nitro also uses the most proven form of organic selenium supplied in a form that can be more readily stored in tissues ...