Quick answer
For most Shih Tzus, our top pick is Royal Canin Shih Tzu Adult Dry Dog Food, because it uses a small, specially shaped kibble that suits a short muzzle and undershot jaw, and it carries an AAFCO complete and balanced statement for adult maintenance. If your dog has a sensitive stomach or itchy skin, Hill’s Science Diet Small Paws Sensitive Stomach and Skin may fit better. For puppies under about 10 to 12 months, choose Purina Pro Plan Small Breed Puppy instead. Budget shoppers can look at Diamond Naturals Small Breed Adult, and if you prefer a grain-inclusive recipe with named meat, consider Wellness Complete Health Small Breed Adult. Always confirm the life stage on the bag matches your dog, and ask your veterinarian before changing diet for any medical condition.
What to consider for Dry Dog Food For Shih Tzu
Shih Tzus are a toy to small breed, usually weighing about 9 to 16 pounds, so portion sizes are tiny and small errors in measuring can add up quickly. They have a flat, brachycephalic face and an undershot jaw, which can make large round kibble awkward to pick up and chew, so a smaller or specially shaped kibble often helps. The breed is prone to weight gain, so calorie density and honest portioning matter a great deal. Many Shih Tzus also have sensitive skin, ear issues, and a long coat, so foods with named protein and omega fatty acids may support skin and coat condition, though no food treats a medical skin problem on its own. Dental crowding is common in small breeds, so kibble that encourages chewing can help, but it does not replace tooth brushing or professional dental care. If your dog has allergies, kidney concerns, or any diagnosed condition, talk to your veterinarian before selecting a food.
What to look for in a dog food
Start with the AAFCO statement on the bag. It should say the food is complete and balanced for the correct life stage, either adult maintenance or growth, or all life stages. Match this to your dog’s age. Next, check that the first ingredient is a named meat such as chicken, lamb, salmon, or a named meat meal, rather than a vague unnamed protein. For an adult small breed, a protein level roughly in the mid 20s to low 30s percent and a fat level around 12 to 18 percent are common and reasonable for many dogs, though your veterinarian may advise different targets for your individual dog. Because Shih Tzus gain weight easily, pay attention to calories per cup, often around 350 to 420, and portion to your dog’s weight and activity rather than the high end of the bag’s range. Choose a small breed formula with small kibble rather than a large breed food. Ingredients such as omega 3 and omega 6 fatty acids, and added glucosamine or chondroitin, may support skin, coat, and joints, but they are supportive, not a treatment for diagnosed disease.
How we chose these picks
- We focused on foods sold widely on Amazon and from established brands with traceable manufacturing and customer service.
- We required a clear AAFCO complete and balanced statement and matched each pick to the right life stage.
- We prioritized recipes with a named meat or named meat meal as the first ingredient.
- We favored small breed formulas with smaller kibble that suit a Shih Tzu’s jaw and mouth size.
- We compared protein, fat, and calorie levels against general small breed guidance rather than marketing claims.
- We checked each brand against publicly available FDA recall information at the time of writing, though recall status can change.
- We weighed honest trade offs such as price, calorie density, and ingredient transparency, and noted at least one con for every pick.
- Never ranked a product higher just because it pays a commission.
What to avoid
- Foods that list only an unnamed “meat meal” or generic “meat” as the protein, with no animal species named.
- Defaulting to grain-free or legume-heavy recipes without a reason. The FDA investigation into a potential link between certain diets and canine dilated cardiomyopathy is ongoing, and grain-inclusive food is the safer default for most dogs unless your veterinarian advises otherwise.
- Feeding an all-life-stages food to a large-breed puppy, since growth needs differ. This matters less for a Shih Tzu, but still match the life stage to your dog.
- Switching foods abruptly, which can upset a small dog’s stomach. Transition gradually over about 7 to 10 days by mixing increasing amounts of the new food with the old.
For more help choosing food and caring for your dog, browse our dog guides, our dog food reviews, and our dog nutrition articles.
