That glossy, silky coat on your dog isn’t just for showing off at the park—it’s a big clue about their health!
When your pup’s fur shines, it’s a sign they’re doing well inside and out. But if their coat looks dull, sheds like crazy, or feels dry, something might be missing from their diet.
A lot of dog parents deal with these issues, and the good news is that what you feed your furry friend can make a huge difference.
In this guide, we’re going to walk you through the best foods to give your dog that Instagram-worthy shine.
Ready to make your pup’s coat the talk of the town? Let’s dig in!
The Connection Between Diet and Fur Health
Ever wondered what keeps your dog’s coat looking its best? It’s all about what’s happening under the surface.
A healthy coat starts with strong hair made of a protein called keratin. This grows from little pockets in their skin called follicles. Those follicles need the right nutrients to churn out shiny, tough hair.
Plus, your dog’s skin has oil glands that keep their fur soft and smooth—those need fuel too!
When your dog eats a balanced diet full of good stuff, their skin and coat thrive. But if they’re missing key nutrients, you might notice problems.
Research shows that poor nutrition can lead to dull fur, extra shedding, or even flaky skin (think doggy dandruff!).
For example, a veterinary study by dermatology experts Prélaud and Harvey found that dogs with unbalanced diets often developed dull, brittle hair and various skin problems.
Their research revealed that hair growth and skin regeneration use nearly 30% of a dog's protein intake, making proper nutrition critical for a healthy coat.
The study highlighted how biotin deficiency (vitamin B7 or H) can cause serious coat issues, including facial hair loss, scaling, and brittle fur.
Dogs also need polyunsaturated fatty acids (PUFAs) for skin barrier function—without them, they commonly develop dry, flaky skin and dull coats that lack elasticity and shine.
So, if your pup's coat isn't glowing, their food bowl might be the place to start!
Warning Signs of Poor Nutrition
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Dull or brittle fur
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Excessive shedding
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Dry, flaky, or itchy skin
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Thinning hair or bald spots
Spot any of these? Don’t worry—we’ll show you how to fix it with the right foods.
Super Nutrients for a Glossy Coat
Some nutrients are like superheroes for your dog’s coat. Let’s break them down so you know exactly what to look for:
Omega-3 and Omega-6 Fatty Acids
Healthy fats are a game-changer for your dog’s fur. Omega-3 and omega-6 fatty acids calm down inflammation, which can stop itchy, dry skin in its tracks.
They also give fur that extra shine and keep the skin hydrated.
A study published in Veterinary Dermatology by Vaughn and colleagues found that adjusting the ratio of omega-6 to omega-3 fatty acids in dogs' diets resulted in a significant improvement in skin health.
Dogs fed diets with lower ratios (5:1 and 10:1) of omega-6 to omega-3 showed remarkable improvements compared to dogs on diets with higher ratios (25:1, 50:1, and 100:1).
The researchers observed these positive changes within just 6 to 12 weeks of changing their diet.
The study also found that dogs on balanced fatty acid diets produced 30-33% less inflammatory compounds in their skin, which helps explain why many dogs experience less itching and better coat condition when given proper fatty acid supplementation.
Best Sources:
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Fish oil (a little drizzle goes a long way!)
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Flaxseed oil
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Salmon
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Sardines
Try tossing a few bits of cooked salmon into your dog’s dinner—they’ll love you for it.
Protein: The Building Block of Fur
Hair is mostly protein, so your dog needs plenty of it to keep their coat strong. Skimp on quality protein, and their fur might turn dull or snap easily.
Animal-based proteins are the best because they’ve got all the building blocks (called amino acids) your dog needs.
Best Sources:
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Chicken
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Turkey
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Beef
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Eggs
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Organ meats (like liver)
A boiled egg now and then? Your pup’s coat will thank you!
Zinc and Other Trace Minerals
Zinc is a quiet hero for your dog’s skin and fur. It helps skin cells renew and keeps hair strong. Insufficient zinc intake can lead to flaky skin or even hair loss.
In one study from the Journal of Small Animal Practice, five Labrador Retrievers developed dry coats, crusty skin, and other issues—all linked to low zinc levels.
Once they got zinc supplements, their skin cleared up fast. The catch? They were all eating cereal-heavy diets, which can mess with how well dogs absorb minerals like zinc.
Copper levels were also low in some cases, which might explain coat discoloration—so having a mix of minerals really does matter.
Best Sources:
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Lamb
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Beef liver
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Pumpkin seeds (crushed up for safety)
Vitamin E and Biotin
These two are like a repair crew for your dog’s skin and coat. Vitamin E fights off damage as an antioxidant, while biotin helps turn fats and proteins into healthy hair.
According to research in The Journal of Nutrition on ScienceDirect, biotin deficiency in dogs can cause a characteristic pattern of hair loss (alopecia) around the face and eyes, along with dry, flaky skin, and crusting in severe cases.
This condition can sometimes occur in dogs fed large amounts of raw egg whites, which contain avidin—a protein that binds biotin and prevents its absorption in the intestines.
Vitamin E [10 mg/(kg ⋅ d)] works together with selenium to maintain cell membrane stability and protect against oxidative damage, which is particularly important for skin health and coat appearance.
Best Sources:
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Eggs
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Sweet potatoes
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Spinach
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Whole grains
Mix some mashed sweet potato into their meal—it’s a tasty coat boost!
Top Foods to Include in Your Dog’s Diet for a Healthier Coat
Ready to fill your dog’s bowl with coat-loving goodness? Here’s a list of the best foods to try. Each one packs a punch for fur health.
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Fatty Fish (Salmon, Sardines, Mackerel): These are omega-3 goldmines. They cut down on itchy skin and make fur gleam. A few bites a week can work wonders.
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Eggs: Loaded with biotin and protein, eggs are a simple way to strengthen hair. They’re gentle on tummies, too—just cook them first!
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Pumpkin and Sweet Potato: These orange champs have beta-carotene and fiber. They help skin heal and keep digestion smooth, which boosts nutrient uptake for a shiny coat.
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Lean Meats (Chicken, Beef, Turkey): Packed with amino acids, these meats rebuild hair and keep it tough. Go for plain, cooked cuts—no seasoning!
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Coconut Oil (in moderation): This oil’s fatty acids hydrate skin from the inside. A teaspoon mixed into food (or rubbed on dry spots) can help. Too much, though, might upset their stomach.
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Oats and Brown Rice: Perfect for sensitive pups, these grains soothe skin and add B-vitamins for coat strength. Cook them soft for easy eating.
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Carrots and Leafy Greens: Full of vitamins A and E, these veggies fight damage and support hair growth. Steam them lightly to make them dog-friendly.
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Plain Yogurt (in moderation): Wondering if dogs can eat yogurt? A small scoop of plain, unsweetened yogurt offers probiotics and protein, supporting gut health and a glossy coat.
Quick Tip: Start small with new foods to avoid tummy troubles. Your dog’s coat will glow in no time!
Homemade vs. Commercial Diets: What’s Best for a Shiny Coat?
Should you cook for your pup or grab a bag off the shelf? Both can work, but here’s the scoop:
Homemade Diets
Cooking for your dog lets you control every ingredient, which is great for tailoring their diet to boost coat health. You can add fresh, nutrient-rich foods like salmon for omega-3s or eggs for biotin.
Additionally, you avoid any mystery fillers that may be added to low-end commercial foods.
Some dog parents swear by homemade meals because they see their pup’s fur get glossier and skin less itchy.
A recent study in Veterinary Sciences found that 70% of healthy dogs maintained on a homemade diet showed improved coat condition, with owners reporting their dogs' coats became "shinier and softer."
The researchers noted these improvements were significant enough that dogs completing a homemade diet program were about 10 times more likely to show coat improvements than those who stopped the diet early.
But here’s the catch: homemade diets are tough to balance. If you miss key nutrients—like zinc or omega-3s—your dog’s coat could suffer.
The Royal Canin Academy researchers analyzed 200 homemade diet recipes for dogs. They found that 95% had at least one essential nutrient below recommended guidelines, and 83.5% had multiple deficiencies.
The most common missing nutrients were vitamin D, vitamin E, zinc, choline, copper, omega-3 fatty acids, and calcium.
It's also time-consuming to plan and cook, and mistakes can add up. Many published recipes have vague or incomplete instructions, and substituting ingredients or changing amounts can throw off the entire nutritional balance.
One dog owner I read about on Quora tried a veggie-heavy homemade diet, only to find their pup's coat got dull because it lacked enough animal-based protein.
Commercial Diets
Store-bought foods are designed to be a one-stop shop for your dog’s needs. Top brands like Orijen or Wellness Core pack in coat boosters like omega-3s, high-quality proteins, and vitamins, all balanced for you.
They’re tested to meet standards set by groups like the Association of American Feed Control Officials (AAFCO), so you know your pup’s getting the basics covered.
On the flip side, not all commercial foods are created equal.
Cheap kibbles often rely on fillers like corn or by-products, which can trigger allergies or leave fur lackluster.
Reading labels is key—look for named meats and avoid artificial additives. Some dogs with specific needs, like allergies, might not do well on generic formulas, so you may need to hunt for specialized blends.
Finding the Right Balance
The secret to a shiny coat is balance, not following food trends.
According to the National Research Council, a balanced diet for adult dogs should provide, at minimum, approximately 10% of calories from protein and 5.5% from fats. It can include up to 50% carbohydrates by weight.
Essential fatty acids are particularly important for skin and coat health—puppies fed ultralow-fat diets develop dry, coarse hair and skin lesions that become increasingly vulnerable to infections.
Commercial diets are easier for most of us, especially if you pick a high-quality brand and maybe add a fresh topper like a bit of cooked fish.
Many dog parents find a mix works best: a solid kibble base with occasional homemade treats. They follow the 80/20 dog food rule.
It suggests that 80% of your dog’s diet should come from commercial dog food, and the rest of the 20% should come from homemade goodness!
What do you think your pup would love—home-cooked meals or a fancy store-bought blend?
Store-Bought Dog Foods That Support Coat Health
Not into cooking? No problem—there are great store-bought options out there. Look for bags or cans that list real proteins (like “chicken” or “salmon”) first, and check for omega-3s.
Skip anything with fillers like corn or soy—they can irritate skin. Artificial colors and preservatives? Pass on those too.
Trusted Picks:
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Wellness Core: High protein, omega-rich formulas.
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Orijen: Packed with fresh meats and fish.
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Blue Buffalo: Skin-and-coat blends with real ingredients.
Pick one that fits your dog’s size and age, and watch their fur shine.
Bonus: These brands often get vet approval for quality!
Hydration and Other Coat-Boosting Tips

Food’s not the only trick up your sleeve. Water keeps skin moist and fur shiny—make sure your dog’s bowl is always full, especially after playtime.
Try these extras, too:
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Brushing: A quick brush spreads natural oils for a glossy look. Using a self-cleaning slicker brush makes it easy to keep their coat tangle-free and shiny.
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Exercise: Keeps stress low, which helps skin stay healthy.
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Chill Time: Too much stress can dull their coat, so give them love and calm vibes.
Simple habits like these team up with good food for a winning coat.
Curious about how long a dog can go without water? Keeping them hydrated is key to a healthy coat, so check their water bowl often.
Foods to Avoid for Coat Health
Some foods can wreck your dog’s coat, making it dull or itchy. Steer clear of these troublemakers to keep your pup’s fur in top shape:
Food |
Why It’s Bad |
Low-quality kibble |
Fillers like corn or wheat can spark allergies or dry out skin, leading to a lackluster coat. |
Corn, soy, by-products |
These are common allergens that can cause itching, redness, or dull fur in sensitive dogs. |
Fatty/salty table scraps |
Too much fat or salt can clog skin pores and disrupt oil balance, dulling the coat. |
Artificial additives |
Preservatives and dyes in some foods may trigger skin irritation, harming fur quality. |
Sugary treats |
Excess sugar can upset gut health, which may lead to poor nutrient absorption and a dull coat. |
Rawhides with chemicals |
Some contain harsh chemicals that can irritate the skin, causing flakiness or hair loss. |
Stick to dog-safe, nutrient-rich foods instead. Your pup’s coat deserves the best, so keep their bowl filled with goodness!
When to See a Vet: It’s Not Always About Food
Sometimes, even the best diet can’t fix a dull or patchy coat. If your dog’s fur stays rough, falls out in clumps, or their skin looks red or infected, something deeper might be going on.
Food is a big part of coat health, but it’s not the whole story. Issues like these could point to problems that need a vet’s expertise.
Possible Culprits:
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Thyroid Troubles: Low thyroid levels can make fur thin and brittle, as noted in Food and Drug Administration (FDA) studies.
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Allergies: Environmental or food allergies can cause itching and hair loss, often needing special tests to pinpoint.
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Parasites: Fleas, mites, or ticks can irritate the skin, leading to scratching and patchy fur.
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Infections: Bacterial or fungal infections can cause scaly skin or bald spots, requiring medication.
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Hormonal Imbalances: Conditions like Cushing’s disease might dull the coat.
A vet can run tests, like bloodwork or skin scrapes, to get to the root of it.
Don’t let coat problems linger—book a vet visit if you’ve tried diet tweaks and still see no change. Your pup’s health is worth it!
Conclusion
A shiny coat starts from the inside, and feeding your dog right is pure love in action. With the right nutrients—like omega-3s, protein, and vitamins—you can turn dull fur into a glossy masterpiece.
Start small: maybe a splash of fish oil or a switch to better kibble. You’ve got this!
Want more ways to pamper your pup? Swing by Pet Supermarket for top-notch dog feeding tools and dog toys that’ll keep your pup happy and shining.
Your dog’s ready to strut their stuff—let’s make it happen!