Vegan vs. Vegetarian Dog Food: What's the Difference and Which Is Right for Your Dog?

By Caroline Buck, Co-founder of Petaluma

If you are looking into meat-free dog food, the labels get confusing fast: vegan, vegetarian, plant-based, meat-free. These foods are mostly sold online, and the terms get used loosely, so it pays to know what each one means. This guide keeps it simple: what each label means, how vegan and vegetarian actually differ, and the thing that matters most for your dog's health.

Vegan, vegetarian, plant-based: what each label means

These words are not interchangeable. Here is what each one actually means.

• Vegetarian: a diet with no animal meat. Vegetarians still eat animal products such as eggs, dairy, and honey, so a vegetarian dog food often uses egg or dairy for protein.
• Vegan: a philosophy of avoiding all use of animals. A vegan food contains no animal products of any kind, which rules out meat, eggs, dairy, honey, and less obvious animal ingredients like vitamin D3 from lanolin (sheep's wool).
• Plant-based: a description of a food or diet built mostly or entirely from plants. It describes the ingredients, not a philosophy, and it is not automatically the same as vegan.
• Meat-free: simply means no meat. It does not tell you whether eggs or dairy are included, so check the label.

A vegan food is always vegetarian and always plant-based; the reverse is not guaranteed. Labels are not tightly regulated, so if you are unsure whether a food is truly vegan, ask the company directly. Petaluma is a vegan company; we label our products plant-based because that is the clearest way to tell consumers what is in the bowl.

Vegan vs. vegetarian: what gets left out

Vegetarian food removes meat but often includes eggs and dairy for protein. Vegan food removes those too, along with less obvious animal ingredients like vitamin D3 from lanolin. A food can be free of eggs and dairy and still not be vegan, so the real test is whether every animal ingredient is gone.

Eggs and dairy matter for another reason: they are two of the most common food allergens in dogs. In a review of affected dogs, dairy accounted for about 17% of food reactions and egg about 4% (Mueller 2016). Because a fully plant-based food leaves both out, it appeals to owners of allergy-prone dogs.

Feature	Vegetarian	Vegan / plant-based
Meat, poultry, or fish	No	No
Eggs or dairy	Sometimes	Never
Other animal-derived additives (e.g., vitamin D3 from lanolin)	Possibly	No
Typical protein sources	Plants plus egg or dairy	Plants: peas, chickpeas, soy, potato
Nutrients usually added	Vitamin B12 if animal products are low	B12, vitamin D, taurine, L-carnitine
Common-allergen exposure	Egg and dairy are common allergens	Avoids egg and dairy allergens

Which is better for your dog?

From a nutrition standpoint, the label matters less than you would think. Dogs are omnivores; they need specific nutrients, not specific ingredients, and many protein combinations can supply them. What decides your dog's health is whether a food is AAFCO complete and balanced, not whether it contains meat. Both vegetarian and fully plant-based recipes can clear that bar, and dogs have done well on meat-free diets in a large owner survey (Knight 2022).

One practical reason to choose vegan over vegetarian: a fully plant-based food removes egg and dairy, two common allergy triggers. Beyond that, the choice comes down to your own preference about animal products in the bowl.

How to judge either one

Use the same checklist for a vegan or a vegetarian food. These four points separate a complete recipe from a risky one.

• An AAFCO statement for the right life stage. This confirms the food is complete and balanced, not a topper or treat.
• Formulated by veterinary nutritionists. Named credentials beat an anonymous "nutrition team."
• The right nutrients supplemented. A fully plant-based food should supply taurine, B12, vitamin D, and L-carnitine, the nutrients that come naturally from animal products.
• Published testing. A brand that shares its nutritional analysis is showing its work.

For a head-to-head look at the leading options, see our ranked guide to the best plant-based dog food.

Where Petaluma fits

Petaluma is vegan from top to bottom: no animal products in the food and no animal testing, ever. Being fully plant-based lets us leave out egg and dairy, two of the most common allergens, and deliberately build in every essential nutrient a dog needs.

• Complete and balanced: formulated by veterinary nutritionists to AAFCO standards, with B12, vitamin D, taurine, and L-carnitine built in.
• Allergen-friendly by design: no meat, egg, or dairy, the proteins behind most canine food reactions.
• Tested and published: each recipe's nutritional profile is laboratory-tested and shared on the product page.

Frequently asked questions

What is the difference between vegan and vegetarian dog food?

Vegetarian dog food leaves out meat, poultry, and fish, but it can still include eggs, dairy, and other animal products. Vegan dog food has no animal products at all, including additives like vitamin D3 from lanolin. Plant-based describes a recipe made mostly or entirely from plants. Every vegan food is vegetarian too, but not the other way around.

Is vegan or vegetarian dog food better for dogs?

Neither is automatically better. Both can be complete and healthy when formulated by veterinary nutritionists to AAFCO standards. Vegetarian recipes with egg or dairy are a little easier to balance, while fully plant-based recipes avoid two of the most common dog allergens, egg and dairy (Mueller 2016). Choose the recipe, not the label.

Is vegetarian dog food good for dogs?

Yes, a complete and balanced vegetarian dog food can support a healthy dog, and research finds dogs can do well on properly formulated meat-free diets. The key is AAFCO completeness and formulation by a veterinary nutritionist, since some commercial vegetarian diets have fallen short on amino acids (Kanakubo 2015).

What is the best vegan dog food?

The best vegan dog food is complete and balanced to AAFCO standards, formulated by veterinary nutritionists, and supplements the nutrients plant proteins need: B12, vitamin D, taurine, and L-carnitine. See our ranked guide to the best plant-based dog food for how the top options compare.

What is the best vegetarian dog food?

Because every fully plant-based food is also vegetarian, the same shortlist applies. Look for an AAFCO-complete recipe formulated by veterinary nutritionists, and check that it supplies B12 and taurine. Our ranked guide walks through the leading plant-based and vegetarian options.

Is plant-based dog food the same as vegan?

Not always. Vegan means no animal products at all, and it carries an ethical meaning of avoiding animal use. Plant-based describes a food made mostly or entirely from plants, focusing on the ingredients rather than the philosophy. A fully plant-based food like ours is also vegan, but plant-based can also describe foods that are mostly, not entirely, plants.

Do dogs on vegan or vegetarian food need supplements?

A complete, balanced food already contains what your dog needs, so you should not add supplements on your own. Fully plant-based recipes are built to supply B12, vitamin D, taurine, and L-carnitine, the nutrients that come naturally from animal products. Ask your veterinarian before adding anything.

Related reading: Best plant-based dog food, ranked / Is plant-based dog food nutritionally complete? / Can dogs be vegan?

References

1. Mueller RS, Olivry T, Prélaud P. Critically appraised topic on adverse food reactions of companion animals (2): common food allergen sources in dogs and cats. BMC Vet Res. 2016;12:9. PubMed.
2. Kanakubo K, Fascetti AJ, Larsen JA. Assessment of protein and amino acid concentrations and labeling adequacy of commercial vegetarian diets formulated for dogs and cats. J Am Vet Med Assoc. 2015;247(4):385–392. Journal.
3. Knight A, Huang E, Rai N, Brown H. Vegan versus meat-based dog food: guardian-reported health outcomes in 2,536 dogs. PLOS ONE. 2022;17(4):e0265662. PubMed.