The Sustainable Pet Blog
Evidence-based guides on dog nutrition, food allergies, and sustainable pet care.
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Is Plant-Based Dog Food Worth the Cost? An Honest Look
Stand in the dog food aisle and the price gaps are hard to miss. Premium, fresh, and plant-based foods can cost noticeably…
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Best Vegan, Vegetarian & Plant-Based Dog Food in 2026: Ranked Buyer's Guide
A ranked guide to the best vegan and plant-based dog foods in 2026, with the criteria that matter, vet-formulated picks, and the…
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Is Royal Canin Hydrolyzed Protein Good for Dogs? An Honest Review
An honest review of Royal Canin Hydrolyzed Protein — how it works, what's in it, who it helps, the tradeoffs, and the…
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Petaluma Whole Food Mixer vs. The Honest Kitchen Base Mix: A 2026 Comparison
Petaluma Whole Food Mixer is AAFCO-complete and ready to feed. The Honest Kitchen Wholemade Base Mix is a foundation that requires you…
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Petaluma Adult Baked Recipe vs. Purina Pro Plan HA Hydrolyzed: A 2026 Comparison
Plant-based whole foods vs. prescription hydrolyzed protein. Here is how Petaluma Adult Baked Recipe compares to Purina Pro Plan HA Hydrolyzed on…
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Best Plant-Based Dog Food for Allergies (2026): A Vet-Reviewed Comparison
Beef, dairy, and chicken account for two-thirds of confirmed canine food allergies. Here are 2026's best plant-based dog foods for allergies, ranked,…
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Petaluma Senior vs. V-Dog Kind Kibble: Which Plant-Based Food Is Best for Senior Dogs?
V-Dog has been making plant-based dog food since 2005 — they helped establish the category. For dogs in their adult years, V-Dog…
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Petaluma Senior vs. Halo Holistic Vegan: Which Plant-Based Food Is Best for Senior Dogs?
Halo Holistic Vegan is a solid plant-based food for adult dogs. But Halo's senior recipes — which include glucosamine and DHA —…
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Petaluma Senior vs. Wild Earth Performance: Which Plant-Based Food Is Best for Senior Dogs?
Wild Earth Performance is built for active adult dogs. Petaluma's Senior Baked Recipe is built for aging dogs — with 3x the…
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Adult vs. Senior Dog Food: Which Formula Is Right for Your Dog?
Adult and senior dog foods differ mainly in calories, fat, and a few nutrients that support aging joints and brains. When to…
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Best Plant-Based Dog Food for Senior Dogs
Pet parents with aging dogs are often asking the same question: what does my dog actually need from their food now, and…
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Petaluma vs. Hill's Prescription Diet z/d: Which Is Better for Dogs with Food Allergies?
Your vet recommended Hill's z/d. You looked at the ingredient list. You looked at the price tag. Now you're here. This post…
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