Cat Sure Food Supplement for cats 7+ years of age is a completely balanced liquid nutritional diet that has what cats need to make the most of their golden years. Contains high-quality protein and amino acids adjusted for better utilization, plus healthy levels of Omega 3 and 6 fatty acids and flaxseed oil. Made of milk proteins (no lactose); easy to digest. Vanilla flavor gives superior palatability, which encourages voluntary consumption to support necessary fluid intake.