Spillers Stamina+ Cubes are a low starch, super-fibre blend designed for controlled performance. Rich in highly digestible fibre and oil to fuel endurance and maintain optimum condition. These cubes are low in starch and sugar, and molasses-free to support gut health. They supply high-quality protein to support muscle health and topline, and include natural, bioavailable vitamin E to support immunity. The formula supports muscle health and athletic performance with probiotic live yeast alongside prebiotic MOS and FOS. It provides a full complement of vitamins and minerals, including chelated copper, zinc, and manganese. Spillers Stamina+ Cubes replace Spillers Slow Release Energy Cubes.