Updated 01 Mar 2018
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Type of food

Daily dog treat

Dog types

Pet dogs

Breed sizes

Suitable for toy breed dogs
Adult weight 1-4kg. e.g. Chihuahua, Pomeranian, Yorkshire Terrier
Suitable for small breed dogs
Adult weight 4-10kg. e.g. Beagle, Dachshund, Jack Russell
Suitable for medium breed dogs
Adult weight 10-25kg. e.g. Border Collie, Staffie, Springer, Vizsla
Suitable for large breed dogs
Adult weight 25-45kg. e.g. Boxer, Labrador, Greyhound
Suitable for giant breed dogs
Adult weight 45kg+ e.g. Bernese, Great Dane, Mastiff

Dog ages

From 3 months to old age

Pack sizes

1.2kg boxes

Nutritional rating


At a glance

Not natural: Contains some added artificial preservatives, antioxidants, colourings, flavourings and/or other controversial synthetic ingredients
Not hypoallergenic: Contains one or more common allergy causing ingredients or has an ingredient list that is too unclear to rule out their presence
Not clearly labelled: It is difficult to tell exactly what is in this food due to a lack of labelling clarity

1.2kg boxes RRP

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Ingredients List

Cereals (30% Whole Wheat), Derivatives of Vegetable Origin, Oils and Fats, Minerals, Meat and Animal Derivatives, Antioxidants.

Typical Analysis

Protein: 11.0%, Fat Content: 5.0%, Crude Ash: 4.0%, Crude Fibre: 1.2%. Nutritional Additives: IU/kg: Vit A: 9500; Vit D3: 700; Vit E: 75 mg/kg: Fe(e1): 58; I(e2): 8.5; Cu(e4): 7.1; Zn(e6): 85.

Dry weight nutrients

Above average


Below average

* NFE carbohydrate level (i.e. not including fibre). Level estimated from available data.


1.2kg boxes RRP


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Company info
Made by: Nestlé Purina
Company HQ: Missouri, USA
Parent company: Nestle S.A.
Sister brands: Bakers1212 Bakers foods listed1313 Bakers treats listed
Beneful55 Beneful foods listed
Beta1212 Beta foods listed
Omega11 Omega foods listed
Pro Plan1616 Pro Plan foods listed
Winalot2222 Winalot foods listed11 Winalot treats listed
Manufacturer's product description

" Bonio original, the original!

Oven baked and made from a selection of wholesome, nutritious ingredients. Enriched with Vitamins and Minerals and with the crunchy oven baked texture, bonio helps to keep your dog's teeth and gums healthy. Keeping tails wagging! "

Nutritional rating



contains wheat


contains artificial additives

Artificial additives

contains byproducts or derivatives

By-products / derivatives

Bonios from Nestlé Purina have long been established as one of the nations favourite dog treats. They can be found in just about every pet shop in the land as well as many supermarket shelves and their very name has become synonymous with treating your dog. Unfortunately, despite their popularity, what goes into making Bonio's leaves a lot to be desired.

Firstly, only a single ingredient is named and that one is wheat which is regularly linked to dietary intolerance in dogs and is generally best avoided. The remaining 70% is, frankly, a complete mystery. We know it is made up of cereals, vegetable derivatives, animal derivatives and fats but since between them these four terms encompass pretty much any ingredient you could imagine, that doesn't help very much. Although these terms could, in theory, be used for good ingredients, in reality they are almost always employed to describe very low grade ingredients and they give the manufacturer the freedom to change the recipe depending on what is most economical at the time. For dogs that have dietary issues, this can be a real nightmare as it makes identifying and eliminating problem ingredients completely impossible and since there's no guarantee that any two batches will be the same, just because your dog is fine on the treats now, that may not always be the case.

Bonios also include unspecified antioxidants - a group of chemicals that includes many of the most controversial ingredients around due to their consistent links with all sorts of health and behavioural problems in dogs.

Conclusion: With 70% mystery ingredients, 30% wheat and undisclosed artificial additives, it's no wonder Bonios get our lowest treat rating of 1 out of 5.

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