YowUp! Yogurt Prebiotic Natural Cat. YowUp Cat Prebiotics, Natural, 0% Fat, No added Sugar, No Lactose. With vet certified prebiotics. It helps your digestion, reduces faeces odours and improves the immune system. Ingredients Fermented dairy products (lactose-free yogurt) 95,6%, corn starch, 0,6% pectin, 0,5% dry oligofructose and flavorings. Analytical Constituents Protein 3.2% Fat content 0.1% Crude Fibres 1.0% Raw Ash 0.8% Humidity 87.6% Calcium 0.1% Lactose <0.1%