PURINA® PRO PLAN® DOG Medium Puppy Sensitive Digestion Rich in Lamb is a complete dry food for medium-sized breed puppies. It contains OPTIDIGEST®, a specifically chosen balance of nutrients suitable for your puppy's size and age which can help support sensitive digestion for his overall health. It is also suitable for gestating or lactating bitches. OPTIDIGEST® helps improve the balance of microflora in the gut with a selected prebiotic source, helping to target one of the most common causes of sensitive digestion. This sensitive digestion puppy food also promotes a healthy faecal consistency. OPTIDIGEST® helps improve microflora balance and promotes good quality faeces, thanks to the inclusion of natural source of prebiotic (scientifically proven to increase bifidobacteria for a better gut microflora balance) egg and bentonite, a natural clay. Our dry puppy food recipe is complete and balanced, providing your puppy with all the nutrients he needs for his daily health. It is easily digestible, and is made with high quality lamb, a source of protein for sensitive dogs.