Insect Protein in Dog Food: Benefits, Limitations and Evidence

Insect protein is attracting attention as an alternative ingredient in dog food, particularly because of interest in sustainability and novel protein sources. However, its nutritional value depends on the insect species, formulation, processing and overall diet, while consumer acceptance remains mixed. This article considers both its potential benefits and limitations before exploring where digestive support may fit.

Consumer Awareness and Acceptance

Research discussed by Kansas State University surveyed 763 US dog owners and found that 33% recognised insect protein as a high-protein source, while 18% believed it had no positive attributes (1). These findings suggest that awareness and acceptance remain limited, but they do not measure the nutritional quality of insect-based dog food or establish how the market may develop.

Black soldier fly larvae can provide protein, fats, minerals and essential amino acids, with digestibility influenced by processing and the complete food formulation (4). As a less commonly used protein source, it may be included in some diets formulated for dogs with suspected adverse food reactions. However, insect protein is not automatically hypoallergenic, and dietary trials for suspected food allergies should be discussed with a veterinarian.

Processing, Formulation and Labelling

A survey of 29 commercially available insect-based pet foods, including 24 dog foods and five cat foods, found discrepancies between declared and measured nutritional content in a number of products (5). The findings raise legitimate questions about formulation, labelling and quality control, although this sample should not be treated as evidence that all insect-based diets are nutritionally inadequate.

• Labelling accuracy: 76% of the products differed from their declared values for at least one nutrient, while 31% showed discrepancies in two or more nutrients. The most frequent differences involved crude fibre content and calculations of metabolisable energy (5).
• Nutritional adequacy: Across the combined sample of dog and cat foods, 3% met both their declared claims and FEDIAF recommendations. The survey reported that 59% met NRC standards and 10% met FEDIAF guidelines, with discrepancies involving selenium, calcium, phosphorus, calcium-to-phosphorus ratios and taurine (5). Requirements differ between dogs and cats, so these findings should be interpreted at species and product level.
• Hypoallergenic labelling: Of the 20 products marketed as hypoallergenic, 15 matched their species-specific labelling, while five contained undeclared animal proteins (5). For a dog following a veterinary elimination diet, undeclared ingredients could compromise the dietary trial or trigger an adverse reaction.

Separate research examining insect meals at a 30% inclusion level in dry expanded dog food found that ingredient composition and particulate characteristics affected extrusion and kibble properties (3). This demonstrates that insect ingredients can be used in dog food, but careful formulation and process control remain important.

Novel Ingredients and Digestive Function

A novel protein source does not automatically make a food nutritionally better or worse. The priority is a complete, balanced and appropriately formulated diet that suits the individual dog. Insect ingredients may be useful within some well-formulated diets, while digestibility remains important regardless of the protein source.

Rather than treating insect protein and digestive support as competing solutions, the more useful question is how effectively a dog digests its complete diet. This is where CaniNectar takes a different approach: it is designed to support digestion of the dog's existing food rather than replace its protein source.

CaniNectar: Supporting Digestion Alongside the Existing Diet

CaniNectar is designed to complement a dog's existing diet by providing Enzyme Rich Malt Extract with naturally occurring enzyme activity relevant to digestion. This makes our exploratory 2023 study involving nine UK Border Force dogs particularly relevant (2).

During the four-week study, the dogs continued their established diets and routines while receiving CaniNectar. Handlers recorded measures including stool quality, appetite and behaviour, while faecal samples were used to examine microbial changes. The study was small and uncontrolled, so its findings should be considered exploratory.

The Research Findings

The exploratory study identified several descriptive patterns (2):

• Microbial changes: Analysis showed an increase in Faecalibacterium and reductions in Streptococcus and Treponema across the study period. These genus-level changes were exploratory and varied between individual dogs (2).
• Age-related pattern: Dogs aged five years and over were more likely than the younger dogs in this study to receive improved stool-quality and appetite ratings (2). Given the small sample, this should be treated as an encouraging pattern for further research rather than a definitive age-related effect.
• Handler observations: Five of the nine dogs received improved stool-quality ratings, while four received improved appetite ratings over the four-week study (2). Behavioural observations were also recorded, but the study was not designed to establish a causal relationship between microbial changes and behaviour.

For a wider explanation of how digestive and nervous systems communicate, read our guide to the gut-brain axis in dogs.

How CaniNectar Supports Digestion

CaniNectar provides naturally occurring digestive enzyme activity from Enzyme Rich Malt Extract, including protease, lipase and amylase, which help break down proteins, fats and carbohydrates. Rather than changing the dog's main protein source, CaniNectar is designed to support digestion of the nutrients already present in its food.

CaniNectar also provides naturally occurring B vitamins, plant compounds including ferulic acid and flavan-3-ols, and minerals such as magnesium, potassium and zinc. Together, these form part of its broader nutritional profile alongside its naturally occurring digestive enzyme activity.

Why Digestive Support Still Matters

Protein source is only one aspect of a dog's complete diet. Digestive comfort and stool quality are also influenced by the overall formulation, feeding routine and the individual dog. Supporting digestive function can therefore complement careful food selection, whether the diet uses conventional or insect-based proteins.

The Practical Advantage

Because CaniNectar is added to a dog's existing food, owners do not need to change the main protein source solely to use it. This makes it a practical option for owners who want to support digestion alongside a complete diet that already suits their dog.

Digestive support and appropriate diet selection are complementary rather than interchangeable. Persistent digestive signs, suspected food allergies, unexplained weight loss or other health concerns should be discussed with a veterinarian.

Looking at the Bigger Picture

Insect protein should not be dismissed simply because it is novel. It can contribute to carefully formulated dog food and may offer environmental advantages, but ingredient quality, processing, nutritional adequacy, labelling accuracy and consumer acceptance all matter.

The same principle applies to digestive supplements: evidence should be assessed in context. CaniNectar's exploratory working-dog study produced encouraging observations involving stool quality, appetite and microbial composition, while larger controlled studies would help establish the extent and consistency of these effects (2).

The Bottom Line

Insect protein can be a viable dog food ingredient when the finished product is complete, balanced and carefully formulated. It is neither automatically superior nor inherently inferior to a conventional protein source. Owners should consider the complete formulation, the manufacturer's quality controls and the individual needs of their dog.

For owners whose existing food already suits their dog, CaniNectar offers another approach: supporting digestion without replacing the diet's protein source. You can explore CaniNectar or visit the CaniNectar Science Hub for further information about the research and digestive science behind the product.

References

1. Phillips-Donaldson, D. (2025, July 4). Cracking the code for insect protein to take off in pet food. Pet Food Industry. View source.
2. Mager, L. (2023). Exploratory analysis of CaniNectar Autumn 2023 Review (unpublished). View report.
3. Chen, Y., Graff, T., Cairns, A. C., Griffin, R., Siliveru, K., Pezzali, J. G., and Alavi, S. (2025). Use of Insect Meals in Dry Expanded Dog Food: Impact of Composition and Particulate Flow Characteristics on Extrusion Process and Kibble Properties. Processes, 13(7), 2083. View study.
4. Barker, S. (2025, June 26). Insect Food for Dogs: Benefits, Drawbacks, and What to Look For. A Canine Nutritionist's Perspective. SABRE. View source.
5. Points, J. (2025, July 18). Survey: Nutritional Labelling Accuracy of Insect-Based Pet Food. Food Authenticity Network. View source.