Two Vegan Dog Foods, Similar Ingredients, Different Results: Why Formulation Matters

By GoGrowth SEO · October 27, 2026
Bowls of dried beans, lentils and pulses arranged on a dark surface

Short answer: two vegan dog foods can list peas, lentils and oats and still perform very differently, because the ingredient list does not show amounts, nutrient targets, added amino acids, mineral forms or how the food is cooked. Formulation is the recipe behind the list. Check for a complete and balanced statement, the guaranteed analysis, calorie content and what is added, then judge the food by how your dog does on it.

When owners compare plant-based dog foods, they often line up the ingredient panels side by side. That is a sensible start, but it can make two quite different foods look almost identical.

What an ingredient list does and does not tell you

Ingredients are listed in descending order by weight before cooking. That tells you which ingredients are present in larger amounts, but not the actual percentages. "Dried peas" first on two labels could mean 20% in one and 40% in the other. Ingredients that contain a lot of water before cooking can also appear higher on the list than their dry contribution suggests.

The list also does not show nutrient targets. Two foods may both contain flaxseed, but one may contain enough to meaningfully raise omega-3 levels while the other includes a token amount.

The parts of formulation that matter most

Amino acid balance

Dogs need specific essential amino acids, not just "protein". Plant proteins differ in their amino acid profiles, so good formulation combines sources and adds individual amino acids where needed. V-Planet, for example, combines pea, potato, lentil, quinoa and yeast protein and adds DL-methionine, taurine and L-carnitine.

Vitamins and minerals

Plant-based diets need careful supplementation, including vitamin B12, vitamin D, calcium, zinc and iodine. The form matters too. V-Planet includes both standard mineral salts and chelated "proteinate" forms of zinc, iron, copper and manganese. You can see the full list on our ingredients and nutrition page.

Fat and energy

The fat level drives calorie density and palatability. V-Planet lists a minimum of 9% crude fat and is calculated at 330 kcal per 100 g. A food with less fat may need larger portions.

Fibre

Fibre type and amount affect stool quality and gut health. Too little or too much can both cause problems.

Processing

How the food is cooked, dried and coated affects digestibility, palatability and shelf life. None of this appears on the label.

Why the same ingredients can give different results

  • Different proportions change the protein, fat and fibre balance.
  • Different supplements fill, or fail to fill, nutrient gaps.
  • Different processing changes how well the food is digested.
  • Different quality control affects consistency from batch to batch.
  • Different dogs respond differently, even to the same food.

We looked at one example of this in our article on why one bag of vegan dog food uses three pea fractions.

Who formulates the food?

Ask who designs the recipe and against which standard. V-Planet is made in Canada by the v-dog family of brands, which has been making plant-based dog products since 2005, and it is formulated to meet AAFCO nutrient profiles for adult dogs. Any brand should be able to tell you what standard it formulates to and whether it has run feeding trials.

How to compare two vegan foods properly

  1. Confirm both are complete and balanced for your dog's life stage.
  2. Compare the guaranteed analysis, ideally on a dry matter basis.
  3. Compare calories per 100 g, which changes how much your dog eats.
  4. Look for added amino acids, vitamin B12, vitamin D and a full mineral package.
  5. Check where it is made and how the brand handles questions.
  6. Then trial it with your dog, gradually, and watch stools, weight, coat and energy.

Our guide to whether vegan dog food is nutritionally complete goes deeper into what the ingredient list can tell you.

Consistency between batches

Formulation is not only about the recipe on paper. Natural ingredients vary from harvest to harvest, so a manufacturer has to test and adjust to keep each batch on target. This is one reason some dogs do well on one brand for years and then struggle after a brand changes its recipe or manufacturer. If you notice a sudden change in how your dog responds to a food they have eaten for months, check whether the packaging, recipe or origin has changed, and contact the brand or retailer with the batch details printed on the bag.

Your dog is the final test

No label analysis replaces observing your own dog over a few weeks. If you want to see how your dog responds to V-Planet before buying a full bag, our sample packs are an easy place to start. If your dog has a medical condition, involve your vet before changing diets.

Frequently asked questions

Why do two vegan dog foods with similar ingredients perform differently?

Because ingredient lists do not show amounts, nutrient targets, added supplements or processing. These formulation details shape how the food works for your dog.

Does the first ingredient tell me the main protein source?

It tells you the heaviest ingredient before cooking, not its exact share. Read the first several ingredients together with the guaranteed analysis.

What should a vegan dog food add to be complete?

Typically individual amino acids, vitamin B12, vitamin D and a full mineral package. V-Planet adds DL-methionine, taurine, L-carnitine, B12, vitamin D2 and minerals.

Who makes V-Planet?

V-Planet is made in Canada by the v-dog family of brands, which has been making plant-based dog products since 2005. It is formulated to AAFCO standards for adult dogs.

How long should I trial a new food?

Transition over 7 to 10 days, then allow several weeks on the full diet before judging stools, weight, coat and energy.

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