Small dog, big personality. Your Shih Tzu deserves food that fits both.
Picking it’s the hard part. They’re double-coated and famously picky, so taste and skin-supporting nutrients both matter.
This guide compares ten foods for Shih Tzus, including small-breed options like Royal Canin made with their tiny jaws in mind.
Here are the picks.
Quick Comparison Chart
| # | Product | Our Rating | ||
|---|---|---|---|---|
| 1 |  |
Canidae All Life Stages Dry Dog Food | ★★★★★ | Check Price |
| 2 |  |
Hill's Science Diet Small Bites Adult | ★★★★★ | Check Price |
| 3 |  |
Diamond Naturals All Life Stages | ★★★★☆ | Check Price |
| 4 |  |
Blue Buffalo Life Protection Healthy Weight | ★★★★☆ | Check Price |
| 5 |  |
Wellness CORE Small Breed Grain Free | ★★★★☆ | Check Price |
| 6 |  |
Royal Canin Small Adult Dry Dog Food | ★★★★☆ | Check Price |
| 7 |  |
Nutro Ultra Weight Management Small Breed | ★★★★☆ | Check Price |
| 8 |  |
Hill's Science Diet Oral Care | ★★★★☆ | Check Price |
| 9 |  |
Merrick Grain Free Puppy Beef and Sweet Potato | ★★★★☆ | Check Price |
| 10 |  |
Cesar Steak Lovers Wet Dog Food Variety Pack | ★★★★☆ | Check Price |
1. Canidae All Life Stages Dry Dog Food
A complete all-life-stages kibble with chicken, turkey, and lamb plus wholesome grains, probiotics, and antioxidants. One bag works for dogs of any age or breed in a multi-dog home.
Pros
- Protein from chicken, turkey, and lamb meals
- Probiotics and antioxidants support digestion and immunity
- Omega 6 and 3 fatty acids for healthy skin and coat
- No corn, wheat, or soy ingredients
- Works for puppies, adults, and seniors
Cons
- Some dogs find the flavor less appealing without a food topper
- Carbohydrate content is higher than some comparable premium brands
- Occasional palatability complaints from picky dogs
Canidae All Life Stages is a solid choice if you want a complete, protein-forward kibble built from real ingredients without artificial flavors, preservatives, or fillers.
The formula draws protein from chicken, turkey, and lamb, and pairs those proteins with ingredients like potatoes, rice, peas, and cranberries for a well-rounded diet.
What makes it particularly useful for Shih Tzu owners is the all-life-stages labeling. Whether your dog is a puppy, an adult, or a senior, this one bag covers them.
Probiotics and antioxidants are included to support digestion and immune function, and omega-6 and omega-3 fatty acids help keep the Shih Tzu’s double coat in good condition.
It skips corn, wheat, and soy, which is worth noting for dogs that tend toward food sensitivities.
If you have multiple dogs at different life stages, the universal formula also means you’re not juggling separate bags.
2. Hill’s Science Diet Small Bites Adult
A veterinarian-recommended kibble sized for small mouths, with real chicken as the first ingredient and omega-6 plus vitamin E for skin and coat health.
Pros
- Small bites sized for tiny jaws and teeth
- High-quality protein supports lean muscle
- Omega-6 fatty acids and vitamin E for coat health
- Made in the USA with natural ingredients
- Backed by the most recommended vet brand in the USA
Cons
- Some owners feel protein content needs supplementing
- Bag isn't resealable
- A few dogs experienced digestive sensitivity during transition
Hill’s Science Diet Small Bites is a strong pick if you’re looking for a dog food specially formulated for adult Shih Tzus and you want the backing of veterinary recommendations.
Real chicken is the first ingredient, and the kibble pieces are sized specifically for small jaws and tiny teeth. That might sound like a small detail, but large kibble is a genuine mealtime problem for a breed this compact.
Omega-6 fatty acids and vitamin E support coat and skin health, which matters for a dog with as much coat as a Shih Tzu carries.
The formula is made in the USA with natural ingredients, and Hill’s is the most recommended brand by vets in the country. If your vet has flagged the need for high-quality protein and lean muscle support, this one fits that conversation well.
3. Diamond Naturals All Life Stages
A family-owned, USA-made kibble with cage-free chicken as the first ingredient, plus superfoods, probiotics, and omega fatty acids at an affordable price.
Pros
- Real cage-free chicken is the first ingredient
- Proprietary probiotics support digestion and immunity
- Superfoods like blueberries and oranges for antioxidants
- Omega fatty acids for skin and coat
- Affordable price compared to similar quality brands
Cons
- Some batches reported to cause loose stool and increased gas
- Past recall history for salmonella contamination
- Sodium selenite used instead of selenium yeast
Diamond Naturals is the best budget pick here, and it holds up well against more expensive options on ingredients.
Cage-free chicken is the first ingredient, and the formula includes proprietary probiotics, superfoods like blueberries and oranges, omega fatty acids, and DHA for vision and brain development. That’s a lot of nutritional ground covered at an accessible price point.
The kibble is formed as a crunchy bite that can help reduce plaque as your Shih Tzu chews, and L-Carnitine supports healthy metabolism by helping convert protein and fat into usable energy.
Diamond Naturals also offers both grain-free and grain-inclusive varieties, so you can match the formula to your dog’s needs. It’s a family-owned, USA-made brand, and the chelated minerals support better nutrient absorption across the board.
4. Blue Buffalo Life Protection Healthy Weight
A reduced-calorie formula with real chicken, whole grains, and LifeSource Bits for antioxidant support. Formulated with veterinarians and nutritionists to help dogs reach and hold a healthy weight.
Pros
- Real chicken is the first ingredient
- Reduced fat formula supports healthy weight
- LifeSource Bits supply antioxidants and vitamins
- No chicken by-products, corn, wheat, or soy
- Formulated with holistic veterinarians and nutritionists
Cons
- Some dogs develop loose stool when transitioning to this food
- Kibble powder can accumulate in the bag
- Higher price point than budget weight-management options
Blue Buffalo Life Protection Healthy Weight is a good option if your Shih Tzu is carrying a few extra pounds or you want to prevent that from happening in the first place.
Obesity is a real concern in small breeds, and this formula addresses it directly. Real chicken is the first ingredient, and the reduced-fat recipe keeps calorie intake controlled without cutting corners on flavor.
The LifeSource Bits blend in antioxidants, vitamins, and minerals that Blue Buffalo developed with holistic veterinarians and animal nutritionists. There are no chicken by-products, corn, wheat, or soy in the formula.
It’s designed to help dogs reach and hold a healthy weight while still delivering a complete, balanced diet. If your Shih Tzu tends to gain weight easily, this is a practical long-term choice.
5. Wellness CORE Small Breed Grain Free
A high-protein grain-free kibble crafted for small breeds, with turkey and chicken, glucosamine for joints, probiotics for digestion, and omega fatty acids for coat health.
Pros
- 47% high-quality protein from turkey and chicken
- Glucosamine supports healthy joints
- Probiotics and fiber promote digestive health
- No corn, wheat, soy, or artificial preservatives
- Made in the USA
Cons
- Grain-free recipes use peas and potatoes which raise glycemic index
- Some dogs had digestive upset after a formula packaging change
- Smaller bag sizes cost more per pound than grain-inclusive options
Wellness CORE Small Breed Grain Free is a high-protein kibble sized specifically for small dogs like your Shih Tzu.
The formula builds around turkey and chicken, with 47% protein from quality animal sources. That level of protein helps build and maintain lean muscle without leaning on excess carbohydrates.
It’s also a reasonable pick for Shih Tzus with sensitive stomachs since it skips corn, wheat, soy, and artificial preservatives.
Glucosamine and chondroitin support joint health as your dog ages, while omega fatty acids and taurine round out the formula for coat condition and heart health.
Wellness makes this one in the USA, and the small-breed kibble size is sized to match a compact jaw rather than forcing a small dog to wrestle with oversized pieces.
6. Royal Canin Small Adult Dry Dog Food
A breed-size-specific formula for small dogs 10 months to 8 years, with precise calcium and phosphorus levels for strong bones and highly digestible proteins for a healthy gut.
Pros
- Calibrated for small dogs weighing 9 to 22 lbs
- Precise calcium and phosphorus ratios for strong bones
- Highly digestible proteins with prebiotic fiber
- Kibble texture supports dental brushing effect
- 50-plus years of veterinary nutrition research
Cons
- Higher price than most non-prescription dog foods
- High carbohydrate content relative to protein percentage
- Contains menadione, a controversial synthetic form of vitamin K
Royal Canin Small Adult is formulated for small dogs from 10 months to 8 years, weighing 9 to 22 pounds, which puts it squarely in Shih Tzu territory.
The formula is calibrated for size in a meaningful way. Calcium and phosphorus levels are set precisely to support strong bones in smaller frames, and the highly digestible proteins pair with prebiotic fiber to keep digestion running smoothly.
The kibble shape and texture are designed to help support their joints and provide a gentle brushing effect on teeth as the dog chews, which is a practical benefit for a breed prone to dental buildup.
EPA and DHA levels are included to support healthy skin and a shiny coat. Royal Canin backs the formula with over 50 years of veterinary nutrition research, and vets frequently recommend it for small dogs with specific size-based needs.
7. Nutro Ultra Weight Management Small Breed
A trio-protein small breed formula with chicken, lamb, and salmon plus 14 superfoods. Tailored fat and protein levels help maintain a lean, healthy body weight.
Pros
- Chicken, lamb, and salmon provide a varied protein base
- 14 superfoods supply antioxidants and essential nutrients
- Supports healthy weight with calibrated fat levels
- No chicken by-products, corn, wheat, or soy
- Non-GMO ingredient sourcing
Cons
- Formula change increased calorie count, affecting weight goals
- Implicated in FDA DCM investigation for grain-free diets
- More expensive than basic weight-management kibbles
Nutro Ultra Weight Management is another solid option for Shih Tzus prone to gaining weight, built around a trio of proteins: chicken, lamb, and salmon.
Three protein sources is relatively unusual for a weight-management formula, and the variety helps deliver a broader range of amino acids. Calibrated fat levels keep calorie density in check without stripping out the nutrients your dog actually needs.
The formula also includes 14 superfoods for antioxidants and essential nutrients, with no chicken by-products, corn, wheat, or soy. Non-GMO ingredient sourcing is another selling point if that matters to you.
It’s sized for small breeds and built for long-term weight management, making it a practical pick if your Shih Tzu’s weight is something you’re actively watching.
8. Hill’s Science Diet Oral Care
A clinically proven dry food that uses interlocking fiber technology to scrub teeth and reduce plaque with every bite. Made with natural chicken and brown rice for complete adult nutrition.
Pros
- Clinically proven fiber technology cleans teeth at every meal
- Reduces plaque and tartar buildup over time
- Freshens breath naturally
- Omega-6 fatty acids and vitamin E for coat health
- Made in the USA with natural ingredients
Cons
- Larger kibble pieces can be too big for some toy breeds
- High carbohydrate content at around 43% estimated
- Some picky dogs lose interest in this food over time
Hill’s Science Diet Oral Care is specifically for adult Shih Tzus and addresses a problem most owners don’t think about until it’s obvious: dental buildup.
The standout feature is the clinically proven fiber technology that scrubs teeth and reduces plaque and tartar with every bite. It also freshens the dog’s breath without any separate dental products needed.
The base formula uses natural chicken and brown rice, and omega-6 fatty acids and vitamin E are included to support healthy skin and coat alongside the dental benefits.
One thing to keep in mind: this food is designed for adults only and isn’t recommended for puppies, pregnant dogs, or nursing dogs.
9. Merrick Grain Free Puppy Beef and Sweet Potato
A grain-free puppy kibble with real deboned beef as the first ingredient, DHA for brain development, and glucosamine for healthy hips and joints in growing small breeds.
Pros
- Real deboned beef is the first ingredient
- DHA supports brain and vision development in puppies
- Glucosamine and chondroitin for healthy hips and joints
- Omega-6 and omega-3 fatty acids nourish skin and coat
- No artificial colors, flavors, or preservatives
Cons
- Grain-free formula linked to DCM concerns in FDA investigation
- High protein level over 34% may not suit all puppies
- Some puppies refused a reformulated batch
Merrick Grain Free Puppy is the pick on this list specifically aimed at Shih Tzu puppies.
Real deboned beef is the first ingredient, and sweet potato rounds out the formula with digestible carbohydrates and fiber. The grain-free recipe skips rye, wheat, barley, and other grains, relying instead on whole food ingredients.
DHA is included to support brain and vision development in puppies, and glucosamine and chondroitin lay the groundwork for healthy hips and joints before your dog is even fully grown.
Omega-6 and omega-3 fatty acids keep the puppy coat looking healthy, and there are no artificial colors, flavors, or preservatives. It’s a thoughtful formula if you’re starting your Shih Tzu puppy off on a strong nutritional foundation.
10. Cesar Steak Lovers Wet Dog Food Variety Pack
A 24-tray variety pack of slow-cooked wet food featuring steak-inspired flavors made with real meat. Easy-peel trays make serving simple, and it works as a standalone meal or as a dry-food topper.
Pros
- Real meat is the first ingredient in every tray
- Convenient easy-peel single-serve trays
- Works as a standalone meal or appetite-boosting topper
- Variety of steak-inspired flavors keeps mealtimes interesting
- 100% complete and balanced for adult dogs
Cons
- Some trays arrive with mostly gravy and little meat texture
- Contains carrageenan as a thickening agent
- Not suitable as a sole diet for dogs needing weight management
Cesar Steak Lovers rounds out the list as a wet food option, which is worth considering for Shih Tzus that are especially picky or need a little encouragement at mealtime.
Real meat is the first ingredient in every tray, and the variety pack gives you multiple steak-inspired flavors so rotation is easy. Each tray comes with an easy-peel freshness seal for straightforward single-serve portions.
You can use it as a standalone meal or as a topper mixed with dry food to get a reluctant eater interested again. It’s 100% complete and balanced for adult dogs, made in the USA.
Final Thoughts
Shih Tzus have a reputation as finicky eaters, and finding food they’ll actually finish can feel like a small victory every day. The right formula balances dense nutrition with flavors and textures that keep a notoriously selective breed coming back to the bowl.
Shih Tzus are picky eaters, so it pays to choose a food that leads with real animal protein and avoids fillers that dampen palatability. Canidae All Life Stages is a reliable top pick because it works across puppyhood and adulthood without requiring constant formula changes.
Match your selection to your dog’s current life stage, since puppies need higher protein and fat ratios than adult or senior Shih Tzus. Small-breed-specific formulas also tend to have smaller kibble sizes that suit their compact jaws.
Once you find a food your Shih Tzu genuinely enjoys and thrives on, keep the transition slow to protect their digestion and avoid setbacks.
