Corta-Flx Solution is a supplemental source of vitamins, minerals and amino acids for mature horses. Contains 9% crude protein, 1% glycine, .5% aspartic acid, .5% lysine, .31% Proline, .3% glutamic acid, .21% arginine, .08% threonin, .5% crude fat, 10% crude fiber, 1,100ppm manganese, 401ppm copper, 504mg/lb vitamin B-6, and 480mg/lb ascorbic acid. 2.5 lb jar of pellets.