LOGIC DIAR-STOP helps manage digestive upsets and diarrhea by reducing intestinal irritation and fluid loss. Diar-stop contains4 key ingredients including:Montmorillonite? Coats and protects the intestinal lining ? AbsorbstoxinsNa+, Mg2+ and K+ ions? Helps restore electrolytes lost during diarrhea Dextrose? Provides an energy source for the small intestinePrebiotics (FOS ? fructo-oligosaccharides)? Helps to restore the normal bacterial floraAvailable in 3 sizes; 10ml for small dogs and cats, 24ml for medium dogs and 60ml for large dogs