FreeStyle High-Protein Senior Trout & Sweet Potato Recipe Dry Dog Food
Verified Jun 4, 2026
A high-protein, grain-free dry food formulated for senior dogs, using deboned trout, turkey meal, and salmon meal as the main animal protein sources. Lentils, chickpeas, peas, and sweet potato provide carbohydrates and fiber, while added glucosamine, chondroitin, L-carnitine, and probiotics support joint comfort, metabolism, and digestive health. The nutrient profile is designed to maintain lean muscle and overall condition in older adult dogs.
This senior dry food offers a relatively high protein level with multiple animal sources, which can help maintain muscle in older dogs who tolerate fish and poultry well. The calorie level is moderate and L-carnitine is included, which can be helpful for weight management in less active seniors. Because it relies heavily on legumes and peas for carbohydrates, it’s best suited for senior dogs without known heart disease risk where your vet is comfortable with a legume-rich formula.
The KibbleLab Score (1–10) is assessed from publicly available product data. Our evaluation is science-based, not marketing-based.
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At a Glance
KibbleLab Review
Strengths
- Trout, turkey meal, and salmon meal provide multiple high-quality animal protein sources for senior dogs.
- Protein and fat levels are appropriate for many older dogs who need to maintain muscle without excess calories.
- Contains L-carnitine, glucosamine, and chondroitin, which are often used in senior diets for weight and joint support.
- Includes a probiotic strain plus chicory root and fiber sources that can support a healthy digestive tract.
Considerations
- Contains chicken fat and turkey, so it will not work for dogs with poultry allergies.
- Legumes and peas are major carbohydrate sources, which some cardiologists are cautious about in breeds prone to heart disease.
- Fish and poultry are common allergens, so sensitive dogs may not tolerate this recipe well.
- Formulated for adult maintenance only and is not appropriate for puppies, pregnant, or lactating dogs.
Full Ingredient List
Ingredients and analysis reflect manufacturer data at the time of our last update and can change without notice. Always check the actual product packaging before feeding.
Ingredient filtering helps identify compatible options but is not a substitute for a veterinary elimination diet.
Top 5 Ingredients Explained
01
Trout
Trout is used in pet foods as a high-quality animal protein and palatable fish ingredient that supplies essential amino acids, omega‑3 fatty acids (EPA/DHA), B vitamins and minerals to support skin, coat, immune and joint health in dogs and cats. It can serve as a novel protein for sensitive pets, but owners should ensure trout is responsibly sourced and properly cooked or processed to eliminate parasites and reduce contaminant risk, watch for fish allergies in some animals, and avoid feeding whole bones to prevent choking or gastrointestinal injury.
02
Turkey
Turkey is commonly used as a primary animal protein in dog and cat foods, offering highly digestible, high‑quality protein and supplying essential amino acids along with B vitamins, phosphorus and zinc to support muscle maintenance and metabolism. Its fat level varies by cut so products can be lean or richer; some pets may develop allergies to poultry, cooked bones are hazardous, raw meat carries bacterial risk, and owners should rely on balanced commercial formulations (and ensure adequate taurine for cats) if turkey is a main ingredient.
03
Salmon
Salmon is commonly used as a high-quality animal protein and rich source of omega‑3 fatty acids (EPA/DHA) in dog and cat foods, supporting skin and coat condition, joint and cognitive health, and overall muscle maintenance. While very nutritious, salmon can be an allergen for some pets and raw salmon may pose risks from parasites, thiaminase-related thiamine loss, and region-specific pathogens (e.g., salmon poisoning); owners should avoid feeding uncooked bones and consider sourcing to minimize contaminant and sustainability concerns.
04
Lentil
Lentils are a plant-based source of protein, complex carbohydrates, fiber and micronutrients (notably folate and iron) commonly used in pet foods to add bulk, promote satiety and help moderate post-meal blood sugar. They can be a useful ingredient for dogs when properly processed and balanced with animal-derived amino acids, but lentil protein is less digestible and incomplete for obligate carnivores like cats; high legume inclusion can also increase gas or digestive upset and has been discussed in the context of diet-associated heart concerns in dogs, so lentils should be used in nutritionally complete, vetted formulations.
05
Chickpea
Chickpeas are a legume commonly used in pet foods as a plant-based protein, source of digestible carbohydrates, and supply of soluble and insoluble fiber that helps with stool quality and satiety. They can be a useful ingredient for dogs but are not a complete protein for obligate carnivores like cats and may cause gas or digestive upset if underprocessed; additionally, high inclusion of legumes in some grain‑free diets has been discussed as a potential factor in canine dilated cardiomyopathy so diets should be balanced and any concerns discussed with your veterinarian.
Nutritional Breakdown
How to read As Fed versus Dry Matter
As fed shows the numbers straight off the label, water included. Dry matter removes the water so you can compare a wet food and a dry food fairly.What is calorie density
How many calories the food packs per unit. Denser foods mean smaller portions for the same calories.Product Details & Brand
Product Specs
AAFCO Nutritional Adequacy
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional
adequacy standards US pet foods are measured against.
What is AAFCO
Association of American Feed Control Officials. It sets the nutritional adequacy standards US pet foods are measured against.Brand
Nulo is a premium pet food brand focused on grain-free and high-meat-protein recipes for dogs and cats. It is positioned as a performance and wellness brand, emphasizing quality ingredients, ancestral diet alignment, and the inclusion of probiotics to support digestive health.
Visit NuloManufacturer
Nulo partners with trusted manufacturing facilities in the United States and Canada that maintain high food safety standards including HACCP and SQF certification. Nulo oversees ingredient sourcing and quality control to ensure nutritional accuracy and consistency across batches.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Nulo FreeStyle High-Protein Senior Trout & Sweet Potato Recipe Dry Dog Food has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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Frequently Asked Questions
Has Nulo ever been recalled?
We have no recalls on record for Nulo. We monitor the FDA Pet Food Recall Database daily.
How does KibbleLab rate foods?
Our scores are based on ingredient composition, nutritional profile, AAFCO compliance, and health considerations. We don't penalize by-products, grains, or synthetic preservatives. Brands cannot pay for higher scores.
Is KibbleLab a substitute for veterinary advice?
No. KibbleLab provides data-driven food analysis, not medical advice. Always consult your veterinarian before making dietary changes, especially for pets with health conditions.
KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.
KibbleLab may earn affiliate commissions through product links. No one can pay for a higher score, or to change what we recommend for your pet.
Product data sourced from manufacturer websites, AAFCO statements, and FDA recall database. Last verified dates reflect our most recent data check.
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