(MD's Choice) Gluquestrian was developed and formulated by doctors to provide the key nutrients required for total joint and connective tissue health. Use in horses with mild to extreme joint issues, as well as for use in young, fast-growing horses to avoid joint problems during growth. Gluquestrain helps build and maintain joint fluid and hyaline cartilage, and has shown to return horses suffering from spavin and even navicular disease to normal function. Contains human grade ingredients. Each tsp contains 2334 mg glucosamine sulfate 2KCL, 1168 mg MSM, 16 mg manganese and 500 mg Vitamin C. Give 1 – 8 tsp. daily.