
Hill's Science Diet Adult Advanced Fitness Small Bites is a dry dog food product that is formulated to meet the nutritional needs of adult dogs. It contains a blend of omega-6 fatty acids, vitamins, minerals, and other nutrients to support skin and coat health, digestion, immune system function, and organ health. The product is made with natural ingredients and high-quality protein sources to promote lean muscle development and healthy digestion. While the product has received some positive reviews from customers, particularly regarding the size of the kibble for small dogs, other customers have noted that their dogs did not seem to enjoy the taste. The formula has received a 3.5-paw rating and a 3-star rating from different reviewers.
| Characteristics | Values |
|---|---|
| Brand | Hill's Science Diet |
| Product Name | Adult Advanced Fitness |
| Flavour | Chicken & Barley |
| Type | Dry Dog Food |
| Size | Small Bites |
| Weight | 17 lb bag |
| Ingredients | Real chicken, omega-6 fatty acids, vitamins, minerals, amino acids, ActivBiome+ Multi-Benefit (a blend of prebiotic fibres and antioxidants), natural ingredients |
| Nutritional Information | 24.6% protein, 16.1% fat, 52.1% carbohydrate (NFE), 2.0% crude fibre, 0.84% calcium, 0.7% phosphorus, 0.30% sodium, 0.75% potassium, 0.099% magnesium, 0.13% taurine, 340 mg/kg vitamin C, 786 IU/kg vitamin E |
| Features | No artificial colours, flavours or preservatives, vet-recommended |
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What You'll Learn

Hill's Science Diet Adult Advanced Fitness Small Bites Dry Dog Food
The Science Diet Adult Advanced Fitness Small Bites Dry Dog Food is a popular choice among pet owners, with many customers finding that the small kibble size is perfect for their small dogs. The reviews suggest that the product fits their dog's needs well, and the small bites are great for feeders. One customer review mentions that the kibble size is perfect for their mini Australian Shepherd, and the small bites are the right size for their little mouth.
The food is also said to have a great taste that dogs love. It is formulated with decades of cutting-edge research to be a great-tasting meal for adult dogs. The natural ingredients and right nutrients are precisely prepared to offer dogs the nutrition they need for lifelong health and happiness. The food is made with high-quality, easy-to-digest ingredients and is fortified with ActivBiome+ Multi-Benefit, a special blend of prebiotic fibres and antioxidants to support digestion, the immune system, and organ health.
The Hill's Science Diet Adult Advanced Fitness Small Bites Dry Dog Food is recommended for small dogs that have reached adulthood. Puppies and pregnant or nursing dogs should be fed a different diet, such as Hill's Science Diet Puppy or Hill's Science Diet Puppy Small Bites. It is always recommended to consult with a veterinarian to determine the best diet for your dog's specific needs.
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The nutritional needs of dogs
A dog's nutritional needs will vary depending on its age, size, activity level, life stage, percentage of lean body mass, age, and environment. It is important to understand how each nutrient is used in a dog's body and how much of each nutrient is needed for a healthy dog at all life stages.
A complete and balanced diet for a dog includes proteins, fats, carbohydrates, vitamins, and minerals. Protein sources with high amounts of essential amino acids are ideal for dogs, as they cannot digest plant fiber as easily as other sources. While dogs can be sustained on a completely plant-based protein diet, it may need various sources of protein to reach a daily minimum that can be safely absorbed. For dogs consuming a vegan or vegetarian diet, it is best to consult a veterinarian or veterinary nutritionist to ensure the diet is safe and balanced.
The Association of American Feed Control Officials (AAFCO) has guidelines for pet foods and helps ensure that pet food products have undergone the appropriate analyses and have the necessary, required nutrients. Food manufacturers whose guidelines meet AAFCO standards for complete and balanced nutrition include brands like Hill's, Purina, and Iams.
Some dog food formulas are designed to meet the nutrient requirements of a moderately active adult dog consuming a reasonable quantity of food. These formulas take into account age and neuter status and are meant to be a starting point, as animals of the same weight can vary in their energy requirements. For example, Hill's Science Diet Adult Advanced Fitness Chicken & Barley Dry Dog Food uses a high-quality protein source for lean muscles, natural fibers for healthy digestion, and omega-6s for a healthy coat.
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Ingredients and nutritional value
Hill's Science Diet Adult Advanced Fitness Small Bites is a dry dog food product formulated to meet the nutritional needs of adult dogs. It is made with natural ingredients and contains a blend of vitamins, minerals, and amino acids essential for a dog's health. The food is rich in protein, with real chicken as the primary ingredient, to promote strong, lean muscles and maintain ideal body weight. It also includes omega-6 fatty acids for skin and coat health, resulting in a visible improvement in as little as 30 days compared to previously fed grocery foods.
The food is also an excellent source of fibre, aiding in healthy digestion, and is fortified with omega-6 and vitamin E blends to promote a healthy skin and coat. Additionally, it provides a clinically proven blend of antioxidants, including taurine, to protect against cell damage and support a robust immune system. The food is free from artificial colours, flavours, and preservatives, ensuring a natural and wholesome diet for adult dogs.
The nutritional composition of the food is as follows:
- Protein: 24.6%
- Fat: 16.1%
- Carbohydrate (NFE): 52.1%
- Crude Fibre: 2.0%
- Calcium: 0.84%
- Phosphorus: 0.7%
- Sodium: 0.30%
- Potassium: 0.75%
- Magnesium: 0.099%
- Taurine: 0.13%
- Vitamin C: 340 mg/kg
- Vitamin E: 786 IU/kg
The product has received mixed reviews, with some customers praising its nutritional value and pellet size, especially for small dogs. However, others have noted that their dogs seem indifferent to the taste, leaving food in the bowl. Overall, Hill's Science Diet Adult Advanced Fitness Small Bites aims to provide a balanced and nutritious diet for adult dogs, tailored to their unique needs.
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Customer reviews
However, some customers find the food to be expensive, and opinions on value for money are mixed. One customer notes that they would prefer to buy the adult food for large dogs but in a smaller size, but that they have to pay more for this option. Another customer gives the product 3 stars, stating that their dog does not seem to like the food and often leaves a lot in the bowl.
Overall, Hill's Science Diet Adult Advanced Fitness Original Dog Food appears to be well-regarded by customers, with many reporting that their dogs are happy and healthy after consuming the food. The product is also recognised for its quality ingredients and health benefits, although there are some concerns about the value for money.
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Additives and preservatives
Hill's Science Diet Adult Advanced Fitness Small Bites is a natural dog food that contains vitamins, minerals, amino acids, and omega-6 fatty acids. It is made with real chicken to help build strong, lean muscles and maintain a healthy weight. Notably, this product contains no artificial colors, flavors, or preservatives.
- Monosodium glutamate (MSG): Used to enhance the flavor of savory dishes, it is commonly found in processed foods and restaurant meals. While controversial due to studies showing negative effects in mice, it is unlikely to affect human brain health as it cannot cross the blood-brain barrier.
- Carrageenan: Derived from red seaweed, it acts as a thickener, emulsifier, and preservative in various food products, including dairy and non-dairy products. However, concerns have been raised about its potential impact on health, with studies indicating possible negative effects on blood sugar control and digestive health.
- Sodium benzoate: A preservative often added to carbonated drinks and acidic foods. While generally recognized as safe by the FDA, studies have found potential side effects, including increased hyperactivity in children when combined with artificial food coloring.
- Artificial food coloring: Found primarily in processed foods, they have been linked to promoting hyperactivity in sensitive children and causing allergic reactions. Red 3, in particular, has been associated with an increased risk of thyroid tumors in animal studies.
- Sodium nitrite: Acting as a preservative and flavor enhancer, sodium nitrite is commonly found in processed meats. When exposed to high heat and amino acids, it can transform into nitrosamine, a compound linked to an increased risk of stomach cancer.
While these additives and preservatives offer certain benefits, such as improving taste, texture, and food safety, it is important to consider potential health risks. Some additives have been linked to hyperactivity, allergies, and, in some cases, cancer. Therefore, it is generally recommended to opt for whole foods that are naturally free of artificial additives and preservatives.
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Frequently asked questions
Hill's Science Diet Adult Advanced Fitness is a dry dog food product line formulated to meet the nutritional needs of adult dogs. It is made with high-quality protein sources, natural fibres, and omega-6 fatty acids to support healthy digestion, lean muscle development, and a healthy coat.
The key ingredients in Hill's Science Diet Adult Advanced Fitness include high-quality protein sources such as chicken, natural fibres, omega-6 fatty acids, vitamins, minerals, and amino acids. It also contains an exclusive blend of omega-6 and Vitamin E to support skin and coat health and a blend of antioxidants to boost the immune system.
Hill's Science Diet Adult Advanced Fitness is specifically formulated for adult dogs and provides the unique nutrition required to manage their weight and energy needs. It is rich in fibre yet low in calories, ensuring balanced nutrition for proper weight management. The regular Science Diet dog food may be suitable for dogs of all life stages, depending on their specific nutritional requirements.
Hill's Science Diet Adult Advanced Fitness is available for purchase on Amazon, Chewy.com, and at authorised retailers such as Benson's Pet Center and Pet Foods Plus.











































