Omega oil is an important part of pet health, supporting digestion, joint health, skin and coat, and overall well-being. NAS Kitten Development Omega Oil contains a high level of DHA (docosahexaenoic acid), an omega-3 fatty acid essential for kittens' neurological development. DHA is one of the main structural components of the brain and plays a crucial role in the development of the nervous system and retinal function in kittens.