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Best Grain-Free Cat Food

Breed profiles, food reviews, indoor care tips, insurance, and product reviews — tailored for Australian cat owners.

Reviewed by Hazel, BVSc | April 2026

Grain-free cat food has become increasingly popular in Australia, driven by the understanding that cats are obligate carnivores who naturally eat very few carbohydrates. Grain-free formulas replace wheat, corn, rice, and other grains with alternative carb sources like sweet potato, peas, or tapioca — or in the best cases, simply use more meat. The result is typically a higher-protein, lower-carbohydrate food that more closely aligns with a cat’s biological needs.

What “Grain-Free” Actually Means

Grain-free means the food contains no wheat, corn, rice, barley, oats, or other cereal grains. However, grain-free does not mean carbohydrate-free. Most grain-free foods still contain 15–30% carbohydrates from alternative sources like potatoes, peas, or lentils.

The real benefit comes when grain-free foods use that extra space for more meat and protein rather than just swapping one starch for another.

Is Grain-Free Necessary for All Cats?

No — and this is an important distinction. Most healthy cats tolerate grains perfectly well. Grain-free food is most beneficial for cats with:

  • Diagnosed grain sensitivities or allergies (relatively uncommon in cats)
  • Digestive issues that improve on lower-carb diets
  • Diabetes or obesity where lower-carb feeding is beneficial
  • Owners who simply prefer a higher-protein, lower-carb approach

If your cat is thriving on a grain-inclusive food, there’s no medical reason to switch. Focus on overall ingredient quality rather than the grain-free label alone.

Quick Picks: Best Grain-Free Cat Food 2026

Best Overall GF Applaws
Best Premium GF Ziwi Peak
Best AU Grain-Free Ivory Coat GF
Best Value GF Black Hawk GF

Best Grain-Free Cat Food Reviewed

#1

Applaws Grain Free Dry Cat

8.0/10
Format: Dry Kibble Protein: 32% Price: ~$22/kg (Pet Circle)

Applaws grain-free dry food features 80% chicken with limited, natural ingredients. Every component is recognisable and serves a nutritional purpose. It’s an excellent balance of quality ingredients and reasonable pricing for a grain-free food.

Pros

  • 80% chicken with limited, transparent ingredients
  • No grains, fillers, or artificial additives
  • Good price for a high-meat grain-free food

Cons

  • Only chicken flavour in the dry range
  • Mainly available online and at specialty pet stores
#2

Ziwi Peak Air-Dried

9.2/10
Format: Air-Dried Protein: 36% Price: ~$65/kg (Pet Circle)

Ziwi Peak is the ultimate grain-free cat food with 96%+ ethically sourced NZ meat, organs, and bone. The air-drying process preserves nutrients without any grains, fillers, or artificial preservatives. Multiple protein options including venison, lamb, mackerel, and beef.

Pros

  • 96%+ meat content — virtually no carbs
  • Multiple novel protein options for variety
  • Air-dried for maximum nutrient retention

Cons

  • Extremely expensive at ~$65/kg
  • Strong aroma may not suit all households
#3

Orijen Cat & Kitten

9.0/10
Format: Dry Kibble Protein: 40% Price: ~$38/kg (Pet Circle)

Orijen’s “Biologically Appropriate” grain-free formula uses two-thirds fresh or raw animal ingredients. With 40% protein from chicken, turkey, fish, and eggs, it’s one of the highest-protein grain-free kibbles available in Australia.

Pros

  • 40% protein from fresh & raw animal sources
  • Low-glycaemic carbs only (lentils, beans)
  • Freeze-dried liver coating for palatability

Cons

  • Very expensive at ~$38/kg
  • Rich formula can cause digestive upset during transition
#4

Ivory Coat Grain Free Adult Cat

7.8/10
Format: Dry Kibble Protein: 35% Price: ~$15/kg (Pet Circle)

Ivory Coat is an Australian-made grain-free option that delivers solid nutrition at a competitive price. With chicken or ocean fish as the first ingredient and added probiotics, it’s a strong choice for Aussie cat owners wanting grain-free without the premium price tag.

Pros

  • Australian-made and grain-free at ~$15/kg
  • Added probiotics for digestive health
  • No artificial colours, flavours, or preservatives

Cons

  • Contains tapioca and pea starch as carb fillers
  • Limited distribution outside pet specialty stores
#5

Black Hawk Grain Free

8.5/10
Format: Dry Kibble Protein: 33% Price: ~$16/kg (PetBarn)

Black Hawk’s grain-free range offers the best value-for-quality ratio in the Australian grain-free market. Made in Brisbane with duck or chicken as the primary protein, it delivers solid grain-free nutrition at a price that’s very accessible.

Pros

  • Best value grain-free at ~$16/kg
  • Australian-made with named meat as #1 ingredient
  • Available at PetBarn and most pet stores

Cons

  • Uses potato and tapioca as carb replacements
  • Limited protein variety (chicken or duck only)

Frequently Asked Questions

Is grain-free cat food better for cats?
Not inherently. What matters most is the overall protein content, ingredient quality, and whether the food meets your cat’s nutritional needs. A grain-free food that replaces grains with potatoes isn’t necessarily better than a grain-inclusive food with high meat content. Grain-free is most beneficial when it results in higher protein and lower carbohydrates overall.
Can grain-free food cause heart problems in cats?
The FDA investigated a potential link between grain-free diets and dilated cardiomyopathy (DCM) in dogs, but this concern has not been established in cats. Cats naturally eat a grain-free diet in the wild. As long as the food contains adequate taurine (essential for feline heart health) and is nutritionally complete, grain-free food is considered safe for cats.
How do I know if my cat has a grain sensitivity?
Signs of grain sensitivity in cats include itchy skin, excessive grooming, ear infections, vomiting, diarrhoea, and flatulence. The only reliable way to diagnose a food sensitivity is through an elimination diet trial under veterinary supervision, lasting 8–12 weeks. Blood tests for food allergies in cats are not considered reliable.
What are the best grain alternatives in cat food?
The best grain-free foods minimise all starches and maximise meat content. When carbohydrate sources are included, sweet potato, pumpkin, and peas are generally better options than white potato or tapioca, as they offer more fibre and micronutrients. Look for foods where these appear further down the ingredient list rather than in the top three.

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