Health ExtensionMediterranean Roast Lamb Dog Food

A red-meat protein, fattier than chicken and with a strong flavor many dogs prefer. Fresh lamb is weighed wet, so it sits higher on the list than the meal form would. Lamb was once the standard novel protein for allergy diets, and with wider use it now shows up as a reported allergen too, though still less often than beef or chicken.

A small oily fish used as a protein and as a natural source of omega-3 fats. Being low on the food chain, herring carries less mercury than tuna. Herring meal is the concentrated, dried form and contributes far more protein per gram than whole herring, which is mostly water. It is a named fish, which helps owners tracking an allergy. Herring oil is listed separately as a fat.

Organ meat from the named animal, or unnamed when the label just says liver. Liver is one of the most nutrient-dense foods there is, rich in vitamin A, copper, iron and the B group, and most pets love the taste, which is why it is used both as an ingredient and as a flavor coating. For allergies, the species is what matters, and beef liver is beef. Unnamed liver can come from any species and may vary by batch.

A staple of grain-free recipes, supplying starch, fiber and plant protein. Peas were common in the diets examined in a federal investigation into heart disease in dogs; the investigation did not establish a cause and no ingredient was banned. Pea protein high on a list can inflate the protein number with a plant source. Pea allergy is rare. Not a problem, but worth noticing when it appears in several forms in one recipe.

A small legume used for carbohydrate, fiber and plant protein in many grain-free foods. Lentils supply folate and iron, and like peas and chickpeas they add protein without adding meat. Lentils were among the legumes in the FDA's heart-disease review, which did not establish a cause. A food with lentils high on the list is a plant-protein-forward recipe.

A plant fat high in medium-chain triglycerides, fats the body can burn quickly without the usual digestion steps. Those fats are the reason coconut oil appears in some senior and brain-support foods, where small studies of medium-chain fats in older dogs showed modest cognitive benefits; a food's coconut oil is a lower dose of the same fats. It supplies almost no essential fatty acids, so a food cannot rely on it as the only fat. It is calorie-dense and fine in the small amounts used.

A vegetable used mainly as a source of soluble fiber for stool quality, and for label appeal. Amounts in a complete food are small. Not an allergen of concern and not a meaningful protein or calorie source.

A fruit added for fiber, a little natural sweetness and antioxidants. Apple flesh is safe for dogs and cats. The seeds contain a trace of a cyanide-forming compound, which matters for a dog eating whole apples and is far below any concern at the amounts of pomace or dried apple in a food. Apple pomace is what remains after juicing and is mostly fiber. In either form it appears in small amounts and does not change the nutrition of the food in a meaningful way.

A fruit added in small amounts for antioxidants and a bit of fiber. Blueberries are safe for dogs and cats, and the pigments that color them are the same ones linked to antioxidant activity in people. In a complete food they appear well down the list in small amounts, so they are a modest extra and should not decide which bag you buy.

A small fruit added mostly for its association with urinary health. Cranberry compounds can make it harder for some bacteria to cling to the bladder wall in laboratory studies, but there is no good evidence that the amount in a pet food prevents or treats urinary infections. At label levels, a small amount well down the list, treat it as a minor fruit that adds a little fiber and antioxidants.

Broccoli florets or stems, dried and added in small amounts for fiber, vitamins and antioxidants. It is safe for dogs and cats at food levels. Very large quantities contain compounds that can irritate the gut, which matters for a dog raiding the vegetable drawer. A fraction of a percent in kibble is nowhere near that, and it does not change the food's nutrition in any measurable way.

A dark leafy green, dried and added in small amounts, mostly for the vitamins and the look of the ingredient list. Kale is safe for dogs and cats at food levels. Like spinach it contains oxalate, and in quantity it is a consideration for pets prone to calcium oxalate stones, but the fraction of a percent in a complete food is not a factor. At these amounts it is there for the ingredient list and does not change the nutrition of the food.

Usually tomato pomace, the skins, pulp and seeds left after juicing, added as a fiber source with some antioxidants. Ripe tomato is safe for pets; the green parts of the plant, which are not used in pet food, contain compounds that are toxic in quantity. Pomace is an inexpensive and reasonably good fiber, and that is all it is doing here.

An extract added in tiny amounts for its antioxidant compounds, and in some dental treats for breath. The caffeine content is the only real question, since caffeine is toxic to pets in quantity; the extract is usually decaffeinated or used in amounts too small to matter. There is no evidence the levels in a pet food produce any health effect. It is a marketing ingredient, safe at food levels.

A culinary herb added in tiny amounts, usually with a claim about fresh breath. Parsley does contain chlorophyll and some vitamins, but there is no evidence that the fraction of a percent in a pet food changes breath or anything else. It is safe at these levels. It appears on some toxic-plant lists because very large amounts can cause light sensitivity; the pinch in a pet food is nowhere near that.

A leafy green added in small amounts for vitamins, minerals and color. Spinach is high in oxalate, which binds calcium and in large quantities is a concern for pets prone to calcium oxalate bladder stones. The amounts in a complete food are tiny, often a fraction of a percent, so for most pets it is a token vegetable with no nutritional or safety weight.

A spice added for color and for its curcumin, a compound studied for anti-inflammatory effects. In people and lab animals curcumin is poorly absorbed unless paired with black pepper or fat, and the amounts in a pet food are far below those used in supplement studies. It is safe and gives kibble a warm color, which is most of what it is doing here; the joint and anti-inflammatory claims rest on doses far higher than a food provides.