Kids Smart Probiotic Choc Balls are the delicious way to boost probiotic intake. Probiotics are the good bacteria found in the digestive tract, important for a happy tummy & wellbeing.Kids Smart Probiotic Choc Balls are the fun and delicious way to boost your child’s probiotic intake. Each ball contains 1 billion good bacteria – Lactobacillus Acidophilus and Bifidobacterium Lactis – plus inulin, a prebiotic. Choc Balls are the easy way to boost probiotic intake. 1 Choc Ball contains as much bacteria as approx 150g of standard yoghurt. No need to refrigerate and can be taken every day with only 12 calories per ball.