Discover how Pro Plan can provide a balanced, nutritional diet helping to promote a healthy, happy and active life for your cat. Pro Plan Junior with Optistart is for the healthy development of kittens from 6 weeks to 1 year. Helps support healthy vision and brain development with essential nutrients like DHA. Features: Optistart formula helps to support intestinal health. Packed with Omega 3 to help with brain and visual development. Added minerals and protein for bone and muscle development. Essential ingredients help support immune system response.