When purchasing cat food or requesting a free sample, ensure the product includes the following nutrients for your cat to stay healthy:  -Good fats are present in meat and fish and essential fatty acids like Omega 3 and Omega 6.  -Cat food must include animal protein present in chicken, turkey, eggs, beef, and fish.  -Carbohydrates from grains like wheat and rice are digestibly mixed into wet cat foods. -Vitamin A, D, B1 (thiamine), B2 (riboflavin), B3 (niacin), and B6 (pyridoxine) must be given to your cat in the correct proportions. Cat food should compromise out of these vitamins, so choose an excellent nutritious brand.  -Minerals like iron, magnesium, calcium, chloride, and sodium are beneficial for your cat's health. Most of these minerals are present in wet and dry food.