How do I compare protein in wet food fairly?

Convert the figure to a dry matter basis by subtracting the moisture percentage from 100 and recalculating protein as a share of what remains, rather than comparing the as-fed percentages printed on the front of two different packs directly against each other.

Why does wet food show a lower protein percentage than dry food?

Wet food contains far more water than dry food — often 70 to 85% compared with around 10% — so the same amount of protein looks like a smaller percentage once diluted by all that extra moisture. It does not necessarily mean less actual protein is being fed.

Is raw or gently cooked food higher in protein than tinned food?

Often, yes, because these formats tend to use a higher proportion of actual meat relative to gravy, jelly or sauce compared with some traditional tinned or pouch products. Checking the guaranteed analysis and ingredients list on the specific product is the reliable way to confirm this rather than assuming by format alone.

Does my dog need a high protein food?

It depends on their age, activity level and health. Active, working or growing dogs generally benefit from higher protein levels, while a sedentary adult or a dog with certain health conditions may need a specific amount advised by a vet rather than simply the highest available option.

Highest protein wet dog food

There is no single food that wins 'highest protein' outright, because the figure printed on a label — the guaranteed analysis — is measured as-fed, meaning it includes the water content of a wet food. Comparing wet foods fairly means understanding that, rather than just reading off the biggest number on the tin.

Why the number on the label can mislead

Wet food is typically 70 to 85% water, so a protein figure of, say, 8% as-fed looks much lower than a dry food's 25%, even though the wet food might actually contain more protein relative to everything else once the water is accounted for. Comparing an as-fed wet food figure directly against a dry food figure is comparing two different things.

To compare fairly, some owners convert to a 'dry matter basis' — removing the moisture percentage from the total and recalculating protein as a share of what is left. It takes a bit of arithmetic using the moisture and protein percentages on the label, but it is the only way to compare a wet and a dry food, or two wet foods with very different water content, on equal terms.

What actually varies between wet foods

Raw and gently cooked frozen foods, and some premium wet foods built around a high meat content, tend to carry a higher protein percentage even measured as-fed, simply because they use more actual meat relative to gravy, jelly or sauce. A pouch described as 'in gravy' or 'in jelly' generally carries proportionally less meat, and therefore less protein, than a pate-style or meat-chunk product of the same size.

The ingredients list is worth checking alongside the guaranteed analysis. A named meat listed first, rather than a generic 'meat and animal derivatives' or a cereal ingredient, usually points to a higher-quality protein source, even if the raw percentage figures look similar between two products.

Does higher protein actually matter for your dog?

An active, working, or growing dog generally has higher protein needs than a sedentary adult, so 'highest protein' is not automatically 'best' for every dog — it depends on their life stage and activity level. An older dog, or one with a health condition affecting protein processing, may need a specific level advised by a vet rather than simply the highest available.

If you are choosing a higher-protein food because your dog is very active or you want to support muscle condition, that is a reasonable reason to look for one. If you are unsure whether your dog needs more protein than they are currently getting, that is a conversation worth having with your vet rather than guessing from labels alone.

Forthglade Complete Adult Dog Grain Free Lamb & Veg: complete wet dog food with lamb 75% — 395G

£1.99

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Common questions

How do I compare protein in wet food fairly?: Convert the figure to a dry matter basis by subtracting the moisture percentage from 100 and recalculating protein as a share of what remains, rather than comparing the as-fed percentages printed on the front of two different packs directly against each other.
Why does wet food show a lower protein percentage than dry food?: Wet food contains far more water than dry food — often 70 to 85% compared with around 10% — so the same amount of protein looks like a smaller percentage once diluted by all that extra moisture. It does not necessarily mean less actual protein is being fed.
Is raw or gently cooked food higher in protein than tinned food?: Often, yes, because these formats tend to use a higher proportion of actual meat relative to gravy, jelly or sauce compared with some traditional tinned or pouch products. Checking the guaranteed analysis and ingredients list on the specific product is the reliable way to confirm this rather than assuming by format alone.
Does my dog need a high protein food?: It depends on their age, activity level and health. Active, working or growing dogs generally benefit from higher protein levels, while a sedentary adult or a dog with certain health conditions may need a specific amount advised by a vet rather than simply the highest available option.

Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.