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Best Value

Kirkland Signature (Costco) Grain-Free Salmon & Sweet Potato

Real owners on Reddit have settled on this as their go-to grain-free pick after trying multiple brands. Costco pricing makes it the most affordable quality grain-free option by a wide margin.

$35-$50 for large bags
Pros
  • Significantly lower cost per pound than comparable premium grain-free brands
  • Salmon as primary protein is well-tolerated by dogs with chicken sensitivities
  • Sweet potato as carb source is a gentler, lower-glycemic alternative to corn or wheat
  • Widely available at Costco with consistent formula — no frequent recipe changes
Cons
  • Only available at Costco membership stores — not sold widely online
  • Grain-free formula relies on legumes, carrying the same FDA DCM concern as other grain-free foods
  • Limited protein variety compared to premium brands with multiple formula options
  • Bag sizes are large — not ideal for owners of small dogs
Why we recommend it

For dog owners who want grain-free without the premium brand markup, this is the community's quiet favorite — real people feeding real dogs and sticking with it long-term.

Reddit user

We tried a few different brands but for now we've settled on Costco grain-free Salmon and Sweet potato.