Yucca 5-Way Pac by dac Trace Mineral Supplement that can help alleviate daily discomfort. Product Details: Yucca Schidigera Extract - antioxidant and free radicals to help reduce ammonia from animal waste Yea Sacc 1026 - live yeast culture, increases fiber, phosphorus and calcium digestibility in mares. Yea Sacc 1026 - Improves milk availability to foals Bio-available Trace Minerals Bio-available Copper - essential to connective tissue Bio-available Zinc - found in bone and muscle Bio-available Manganese - essential to cartilage formation