Foods Pet Owners Think Are Healthy (But Aren’t)

As pet owners, we all want the very best for our furry family members. Sharing treats, preparing nutritious meals, and offering what we believe are “healthy” foods often comes from a place of love. However, many foods commonly considered healthy for humans can actually be harmful, or even dangerous, for dogs and cats.

At Woonona Petfoods, we regularly speak with pet owners who are surprised to learn that some seemingly harmless foods can contribute to obesity, digestive upset, nutrient imbalances, or toxicity in pets. While the occasional treat is fine in moderation, understanding what foods are genuinely beneficial versus those that may do more harm than good is essential for your pet’s long-term health. Here are some of the most common foods pet owners mistakenly believe are healthy for pets, and what you should feed instead.

Cheese: Not Always the Perfect Treat

Many pet owners use cheese as a high-value reward during training or to hide medication. While dogs often love the taste, cheese is not always the healthy snack it appears to be. Cheese is high in fat and calories, which can quickly contribute to unwanted weight gain if fed too often. Some pets are also lactose intolerant, meaning dairy products can trigger digestive upset such as diarrhoea, bloating, or stomach discomfort. For dogs prone to pancreatitis or sensitive stomachs, fatty foods like cheese can be especially problematic. Cats, despite popular belief, also do not generally require dairy in their diets. If you want to use cheese occasionally, stick to very small portions and choose lower-fat varieties. Better yet, opt for species-appropriate training treats specifically designed for pets.

Raw Meat Isn’t Always Better

Raw feeding has become increasingly popular, with many owners believing it is the most natural and healthiest choice for dogs and cats. While raw diets can work in some circumstances, they are not without risks. One of the biggest misconceptions is that feeding raw meat alone provides complete nutrition. In reality, pets require carefully balanced levels of vitamins, minerals, fats, and proteins to thrive. Feeding only raw mince or chicken breast can create nutritional deficiencies over time. There are also concerns around bacteria such as Salmonella and E. coli, which can affect both pets and humans in the household. If you are interested in raw feeding, it’s important to choose balanced, commercially prepared diets or seek guidance from a veterinarian or animal nutritionist to ensure your pet receives complete nutrition.

Deli Meats and Processed Ham

Ham, turkey slices, and deli meats often seem like harmless treats, especially around holidays or family gatherings. However, processed meats are generally far from healthy for pets. These products are often extremely high in sodium, preservatives, and fats. Excess salt can be harmful to dogs and cats, potentially contributing to dehydration or other health concerns when consumed regularly. Processed meats may also contain garlic or onion seasoning, which can be toxic to pets, even in small amounts over time. Instead of processed meats, lean cooked chicken or plain cooked turkey without seasoning is a much safer occasional option.

Peanut Butter: Healthy in Moderation

Peanut butter is often promoted as the ultimate dog-friendly treat. While many dogs enjoy it, not all peanut butter products are created equal. Some peanut butters contain added sugar, excess salt, or artificial sweeteners. The biggest concern is xylitol, an artificial sweetener that is extremely toxic to dogs and can be life-threatening even in tiny amounts. Even pet-safe peanut butter is calorie-dense and should be fed sparingly. Overfeeding can contribute to obesity, particularly in smaller breeds. If using peanut butter in enrichment toys or training, always read ingredient labels carefully and choose natural products free from xylitol and unnecessary additives.

Tuna: Not the Everyday Cat Food Owners Think

Many cat owners believe tuna is one of the healthiest things they can feed their cat. While cats certainly love the flavour, too much tuna can actually cause problems. Tuna made for humans does not provide complete and balanced feline nutrition. Feeding it too frequently may lead to nutritional deficiencies and, in extreme cases, mercury accumulation. Additionally, cats that become overly attached to tuna may refuse nutritionally balanced cat food altogether, making mealtime difficult. Tuna should be treated as an occasional treat rather than a dietary staple. High-quality cat foods containing fish-based proteins are a much better option for daily feeding.

Milk: Cats Don’t Actually Need It

Thanks to cartoons and popular culture, many people grow up believing cats naturally drink milk. The reality is very different. Most adult cats are lactose intolerant, meaning dairy products can upset their digestive systems and cause diarrhoea or stomach upset. While kittens digest their mother’s milk, adult cats often lose the enzymes needed to process lactose properly. Fresh water should always be your cat’s main source of hydration. If you want to offer something extra, specially formulated cat milk products are a safer alternative.

Carrots and Vegetables: Healthy, But Not Unlimited

Vegetables are often seen as healthy snacks, and in moderation, many can be beneficial for dogs. Carrots, pumpkin, and green beans are commonly recommended low-calorie treats. However, some owners assume unlimited vegetables are harmless. Too much fibre can disrupt digestion, cause stomach upset, or reduce appetite for balanced meals.Cats, being obligate carnivores, have even less nutritional need for vegetables. While small amounts may be safe, their diet should primarily consist of animal protein. Healthy additions should complement, not replace, a nutritionally complete pet diet.

Too Many “Healthy” Treats Add Up

One of the most overlooked health risks for pets is simply overfeeding treats, even healthy ones. Many owners unknowingly exceed their pet’s daily calorie requirements by offering multiple snacks throughout the day. This can lead to obesity, which significantly increases the risk of arthritis, diabetes, heart disease, and reduced life expectancy. Treats should generally make up no more than 10% of your pet’s daily calorie intake. The rest should come from a balanced diet tailored to their age, size, and activity level. Choosing species-specific treats designed for dogs and cats can help ensure your pet gets rewards that are both tasty and nutritionally appropriate.

Choosing the Best Food for Your Pet

Every pet is different, and what works for one animal may not suit another. Age, breed, health conditions, allergies, and activity level all influence nutritional needs. Rather than relying on assumptions or trends, choosing a high-quality pet food formulated for your pet’s life stage is one of the best ways to support their health. Premium foods are specifically balanced to provide everything your pet needs without the guesswork. If you are unsure whether a food is safe or beneficial, speaking to your veterinarian or pet nutrition expert can help you make informed choices.

Feeding your pet comes from a place of love, but sometimes foods we think are healthy can actually do more harm than good. Cheese, processed meats, milk, tuna, and even certain vegetables may seem harmless, yet moderation and nutritional balance are key. At Woonona Petfoods, we’re passionate about helping pet owners make informed decisions about nutrition. Whether you’re choosing a complete diet, healthy treats, or supplements, our team is always here to help you find the best option for your pet’s unique needs. Because when it comes to nutrition, what seems healthy isn’t always the healthiest choice.