Honest KitchenParmesan Pecks: Beef & Blueberry

A cereal grain used as a slow-digesting carbohydrate. It is high in soluble fiber, especially beta-glucan, and has a lower glycemic effect than rice, which is why it turns up in weight-control and diabetic foods. Pearled barley has had the hull removed, which lowers the fiber somewhat. Barley grass is a different ingredient, a young green shoot used as a vegetable.

A whole grain used as a carbohydrate and fiber source. Oats are well digested, higher in protein than rice, and contain beta-glucan, a soluble fiber linked to steadier blood sugar. They are a common choice in sensitive-stomach and weight-control foods. Oat fiber is the hull, which is mostly insoluble fiber; oat flour and oatmeal are the whole grain milled. Grain allergy is rare in pets.

A red-meat protein, higher in fat and iron than poultry. Fresh or deboned beef is mostly water and ranks higher on the label than its dry contribution; beef meal is the concentrated form. Beef is among the most common food allergens reported in both dogs and cats, probably because it has been fed so widely for so long. Beef by-products such as liver and heart are listed separately.

A plant source of omega-3 fat (alpha-linolenic acid) and fiber, used in about a third of dog foods for coat and stool quality. Dogs and cats convert plant omega-3 to the useful forms inefficiently, so fish oil does the job better. Flax is not a documented common allergen, though some pets tolerate it poorly, most often as loose stool. Fine in a food; not a reason to prefer it over one using fish oil.

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 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 complete, highly digestible protein, which is why formulators like it. It is also a documented allergen in about 4% of dogs with food reactions. Egg allergy does not implicate chicken meat; the proteins are different. Dried egg product is the same thing with the water removed. A good ingredient for most pets and a fine-print one for the allergic few.