Sixteen Plus Mix has been specifically formulated using international studies on the nutritional requirements of the older horse and is the ideal high calorie solution for your veteran. High calorie to help to prevent weight loss or loss of condition. High in fibre and oil, plus quality, digestible protein with added L-Lysine to support muscle mass.Added probiotic live Actisaf yeast to support digestive function. Contains our patented blend of QLC antioxidants for immune support. Added glucosamine, MSM and Mobility herbs to support the musculoskeletal system.