Nulo
Freestyle Grain-Free Senior Trout & Sweet Potato Recipe
Rating
Is Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe dry dog food good?
Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe is a dry dog food rated 4 stars, with high ingredient transparency and strong animal protein content. The recipe lists most animal ingredients by name and features real muscle meat as a primary protein source. However, most minerals are supplied in inorganic forms that may be less well absorbed. This recipe is free from Gluten grains, Grains (gluten-free), Dairy, Egg, Nuts, Red meat, Shellfish, Unknown Meal but contains Legumes, Poultry, Fish.
Allergy Highlights
Contains:
Free From:
Pros
- Uses clearly named animal protein sources for better transparency.
- Includes plant ingredients that can provide fiber and natural antioxidants.
Cons
- Relies mostly on inorganic mineral supplements, which may be less bioavailable.
Nutrition Breakdown
- Protein 33%
- Fat 13%
- Est. Carbs 40%
- Fiber 6%
- Ash 8%
Moisture (10%) removed so you can compare foods fairly.
Dry matter basis = label value ÷ (100% − moisture%). Carbs estimated from remaining.
- Protein 30%
- Fat 12%
- Est. Carbs 36%
- Fiber 5%
- Moisture 10%
- Ash 7%
Ash value not listed on label; 7% used as a standard estimate.
As-fed values are the raw percentages printed on the product label.
Tips
- Protein is High (33% dry matter) on our label-based comparison range. For many healthy dogs, this can support muscle maintenance, though dogs with kidney disease or other medical conditions should follow vet-guided diet targets.
- Fat is Medium (13% dry matter) on our label-based comparison range. This is a moderate energy-density signal for many adult dogs, assuming the full diet matches activity and body condition.
Ingredients Analysis
44 of 44 matched
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1 Deboned Trout
Animal ProteinDescription
Belongs to the salmon family, it is high in protein, packed with omega 3 and 6 fatty acids and vitamin D.
Why Prefer?
A high-quality animal protein with high digestibility and biological value.
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2 Turkey Meal
Animal ProteinDescription
A large bird looks similar to chicken, high in protein, and packed with vitamin B3, B6, B12, selenium, zinc, and phosphorus.
Why Prefer?
A high-quality animal protein with high digestibility and biological value.
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3 Salmon Meal
Animal ProteinDescription
The dehydrated form of salmon, a meat concentrate that could contain up to 400% more protein compared to fresh meat. It is one of the most nutrient-dense fish, high in protein, packed with omega 3s, B vitamins, and it is a good source of potassium selenium, and antioxidants.
Why Prefer?
A high-quality animal protein with high digestibility and biological value.
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4 Yellow Peas
Carbs Plant ProteinDescription
A type of legume that is added to boost up the protein content and acts as an alternative carb. It contains around 22% protein.
Digestion Concern
Legume contains oligosaccharides, which is a 3 - 5 carbon short-chain sugar that are indigestible by dogs / cats.
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5 Yam
CarbsDescription
Often confused with sweet potato, it has more fat, carbs, fiber, potassium, vitamin C, vitamin B6, and vitamin E, added as an alternative high carbs filler.
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6 Chickpeas
Carbs Plant ProteinDescription
Also known as garbanzo beans, a type of legume that is added to boost up the protein content and acts as an alternative carb. It contains around 20% protein.
Digestion Concern
Legume contains oligosaccharides, which is a 3 - 5 carbon short-chain sugar that are indigestible by dogs / cats.
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7 Deboned Turkey
Animal ProteinDescription
A large bird looks similar to chicken, high in protein, and packed with vitamin B3, B6, B12, selenium, zinc, and phosphorus.
Why Prefer?
A high-quality animal protein with high digestibility and biological value.
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8 Pea Fiber
CarbsDescription
Produced by separating the starch of peas from fiber, consists mainly of insoluble fiber, contains around 6 - 12% protein.
Why Concerned?
A controversial filler with limited nutrition value to dogs / cats.
Digestion Concern
Legume contains oligosaccharides, which is a 3 - 5 carbon short-chain sugar that are indigestible by dogs / cats.
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9 Chicken Fat
FatDescription
The fatty layer separated during the cooking process, with a high level of omega 6, It is more preferable by dogs and cats over other types of fats.
Why Prefer?
A high-quality animal fat with high digestibility and biological value.
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10 Lentils
Carbs Plant ProteinDescription
A type of legume that is added to boost up the protein content and acts as an alternative carb. It contains around 27% protein.
Digestion Concern
Legume contains oligosaccharides, which is a 3 - 5 carbon short-chain sugar that are indigestible by dogs / cats.
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11 Natural Flavor
Food AdditiveDescription
Made of extracts from plant or animal sources to improve the taste of food.
Why Concerned?
Contrary to its name, natural flavors are highly processed and contain many chemical additives.
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12 Yeast Culture
Plant Protein ConcentrateDescription
Made from fungus and often used to make beer, a rich source of minerals such as selenium. B-complex vitamins, and chromium. It contains around 40% protein.
Why Concerned?
A controversial ingredient, some believe it can support the immune system, while others say it can be linked to allergies and bloating. However, no scientific research can provide a concrete conclusion.
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13 Dried Chicory Root
CarbsDescription
Contains insulin, which is a prebiotic that promotes friendly bacteria in the gut and supports better digestion.
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14 Dried Tomato
CarbsDescription
Packed with vitamins A, C, K, potassium, and manganese.
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15 Dried Carrot
CarbsDescription
Well known for its alpha and beta-carotene content, also rich in potassium and vitamin B6. Most pet foods use it as a minor ingredient (include 0.1% to 3% of the total composition).
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16 Dried Blueberry
CarbsDescription
Superfood packed with antioxidants, a good source of vitamin C, K, and manganese.
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17 Dried Apple
CarbsDescription
Contains mainly carbs and sugar with multiple antioxidants to prevent radical damages by oxidative stress.
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18 Salt
OthersDescription
Mainly added to enhance the flavor, might cause kidney and blood pressure issues in a larger dose. High-quality pet foods should get a sufficient amount from raw meat, additional salt is not necessary.
Why Concerned?
A controversial ingredient that might cause health issues, unnecessary for the risk.
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19 Potassium Chloride
SupplementDescription
An inorganic form of potassium, which offers 5 - 15% less absorption rate to the body. It is essential for important functions like nerve impulse transmission, muscle contraction, and carbon dioxide / oxygen transport.
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20 Calcium Carbonate
SupplementDescription
An inorganic form of calcium, it is essential in the formation of bones / teeth and different cellular functions. Compare to organic form, it has 5 - 15% less absorption rate to the body.
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21 L-carnitine
SupplementDescription
An amino acid that is naturally produced in the body. It is often added to pet foods because the normal cooking process degrades its availability from whole food.
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22 Choline Chloride
SupplementDescription
Vital molecule for various functions in the body, lack of choline can result in weight loss, vomiting, and fatty liver.
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23 Chondroitin Sulfate
SupplementDescription
Derived from animal parts containing cartilage, as a supplement to support joint health.
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24 Glucosamine Hydrochloride
SupplementDescription
The most common joint supplement for reducing the level of pain and inflammation.
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25 Zinc Proteinate
SupplementDescription
An organic form of zinc, which is vital in skin function and wound healing, cell replication, the structure and function of biological membranes. Compare to inorganic form, it has 5 - 15% more absorption rate to the body.
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26 Vitamin E Supplement
SupplementDescription
Supplement for vitamin E, which is an important antioxidant that protects oxidative damages on cellular membranes by free radicals. A deficiency will result in symptoms like anorexia, depression, and dermatitis.
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27 L-ascorbyl-2-polyphosphate
SupplementDescription
Supplement for vitamin C, which can help to prevent oxidative damages by radicals, maintain healthy skin, and boost the immune system.
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28 Ferrous Proteinate
SupplementDescription
An organic form of iron. It is essential for the transport and movement of oxygen around the body. Compare to inorganic form, it has 5 - 15% more absorption rate to the body.
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29 Niacin
SupplementDescription
Known as vitamin B3, essential to maintain healthy GI tracts, skin/coat, and nervous system.
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30 Copper Proteinate
SupplementDescription
An organic form of copper, which is important for the production of blood cells, hair coat color pigmentation, and maintaining the nervous system. Compare to inorganic form, it has 5 - 15% more absorption rate to the body.
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31 Thiamine Mononitrate
SupplementDescription
An organic form of thiamine, has 5 - 15% more absorption rate than the inorganic form. It is important for energy production and glucose metabolism.
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32 Calcium Pantothenate
SupplementDescription
An organic form of calcium, it is essential in the formation of bones / teeth and different cellular functions. Compare to inorganic form, it has 5 - 15% more absorption rate to the body.
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33 Vitamin A Supplement
SupplementDescription
Supplement of vitamin A, it is essential for healthy skin, normal vision, and immune function.
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34 Sodium Chloride
OthersDescription
Mainly added to enhance the flavor, might cause kidney and blood pressure issues in a larger dose. High-quality pet foods should get a sufficient amount from raw meat, additional salt is not necessary.
Why Concerned?
A controversial ingredient that might cause health issues, unnecessary for the risk.
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35 Pyridoxine Hydrochloride
SupplementDescription
A synthetical supplement of vitamin B6, which is an essential element for nearly every part of metabolism.
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36 Sodium Selenite
Food AdditiveDescription
An inorganic selenium supplement. It remains controversial as the long term effect of consuming it is not known, and there is a much safer organic alternative available.
Why Concerned?
A food additive that is likely to be safe but unnecessary.
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37 Riboflavin
SupplementDescription
A synthetic supplement for vitamin B2. which is vital for the body's metabolism and health.
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38 Vitamin D3 Supplement
SupplementDescription
Supplement for vitamin D3 (animal-derived), which is essential for calcium homeostasis - to maintain a constant concentration of calcium. A deficiency will result in osteopenia (lower bone mass).
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39 Biotin
SupplementDescription
A water-soluble vitamin B that is important for maintaining healthy skin, coat, and nails.
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40 Bacillus Coagulans Fermentation Product
ProbioticsDescription
A spore-forming probiotic that supports digestive health and immune function.
Why Prefer?
A beneficial probiotic strain.
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41 Vitamin B12 Supplement
SupplementDescription
Supplement for vitamin B12, which is vital for carbon transfer and propionate metabolism. A deficiency will result in symptoms similar to gastrointestinal disorders, such as diarrhea and weight loss.
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42 Calcium Iodate
SupplementDescription
An inorganic form of calcium, it is essential in the formation of bones / teeth and different cellular functions. Compare to organic form, it has 5 - 15% less absorption rate to the body.
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43 Folic Acid
SupplementDescription
A synthetic form of folate, which is also known as vitamin B9. It plays an important role to support the body's functions, such as cell growth.
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44 Rosemary Extract
CarbsDescription
A common herb used for cooking, it is rich in antioxidants to fight off radical damages in the body.
Tips
- Named animal proteins near the top: Deboned Trout, Turkey Meal are listed early in the ingredient panel.
- Plant protein signal: Yellow Peas, Chickpeas, Lentils may raise the listed protein percentage without meaning there is more meat.
- Ingredients worth checking: Pea Fiber, Natural Flavor, Yeast Culture.
- Possible digestion triggers: Yellow Peas, Chickpeas, Pea Fiber, and 1 more have digestion notes; watch tolerance if your pet has a sensitive stomach.
Protein Analysis
How this recipe earned its protein scores.
Protein Clarity
High- Named 100%
Strong clarity: 100% of Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe's animal-protein ingredients are clearly named (like chicken or salmon). Only 0% use vague terms such as "meat meal" and 0% are by-products. Named protein ingredients let you verify the source and check for allergens.
Contributing ingredients
Named
Animal Protein
High- Animal 86%
- Plant 13%
- Auxiliary 1%
Meat-forward: 86% of the weighted protein in Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe comes from animal sources. Plant signals are modest (13% whole plants, 0% plant concentrates), so the protein profile leans on real meat.
Contributing ingredients
Animal
Plant
Auxiliary
Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe dry dog food Review
Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe is a strong choice — rated 4 stars with high ingredient transparency and strong animal protein content. A confident pick when the ingredient panel matches your pet's needs.
Best for
- Owners who want clearly named protein sources
- Pets avoiding gluten grains
- Pets that thrive on muscle-meat protein
Avoid if
- You're avoiding legumes
Key takeaways
- Named animal proteins make up 100% of the recipe's protein panel — a clear sourcing win.
- Contains common allergens: Legumes, Poultry, Fish.
- On a dry-matter basis: 33% protein, 13% fat, 40% estimated carbohydrates.
- 86% of the weighted protein comes from animal sources.
- Free from Gluten grains, Grains (gluten-free), Dairy, Egg, Nuts, Red meat, Shellfish, Unknown Meal.
Frequently asked questions
Is Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe good for dogs?
Yes — rated 4 stars, with high ingredient transparency and strong animal protein content.
Does Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe contain Dairy?
No — based on the ingredient list, Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe doesn't include Dairy or related ingredients, so pets sensitive to Dairy can typically avoid this allergen here.
Does Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe contain Egg?
No — based on the ingredient list, Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe doesn't include Egg or related ingredients, so pets sensitive to Egg can typically avoid this allergen here.
Does Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe contain Legumes?
Yes — based on the ingredient list, Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe contains Legumes, so pets sensitive to Legumes should generally avoid this product or consult a vet first.
Does Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe contain Nuts?
No — based on the ingredient list, Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe doesn't include Nuts or related ingredients, so pets sensitive to Nuts can typically avoid this allergen here.
Is Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe grain-free?
Yes — there are no grains in this recipe.
What are the main protein sources in Nulo Freestyle Grain-Free Senior Trout & Sweet Potato Recipe?
The top animal proteins are Deboned Trout, Turkey Meal, Salmon Meal — clearly named, so you can verify the source.
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