Ground Antler Powder 8 oz Nature's perfect eco-friendly premium Antler Powder, all natural, gluten free, and odorless! 1 BAG includes 8 oz of our Top Grade A, Elk Antler Powder. Made in the USA. Great as a supplemental food topper, our antler powder is made from Elk and Deer Antler without any additives. It provides an all natural source of minerals that promote healthy skin and coat, healthy gut function and joint health. Ground antler is more readily digested than the intact antler. Good for dogs and cat's of all ages.