Joint Support Herbal Formula for Horses helps maintain normal healthy cartilage, synovial fluid, and joint function. The herbs found in Joint Support may help support the body's manufacture of synovial fluids to keep the body and its joints functioning as designed. Joint Support Herbal Formula contains a proprietary blend of natural herbs, including burdock, butchers broom, devils claw, ginger, kelp, slippery elm, uva ursi, white willow, yarrow, yucca, and chaparral. Feed 1 scoop daily for a 1000 - 1200 lb. horse. Herbal blend.