Saratoga Biotin 100 Supplement for Horses is an excellent natural growth supplement for horses which helps promote healthy muscular mobility, healthy joints and improve cardiovascular functions. Contains Biotin, an essential nutrient for promoting healthy growth and maintaining optimal health on horses. This product also delivers nutritional support to your horse's brain, joints and heart. It also works great as a natural supplement for healthier hair, coat, joints and hooves. Sold in 2.5 lb. jars.