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Published on July 28th, 2022
Updated on June 18th, 2026
Get insights into natural dog food ingredients and learn how they support your pup’s overall health and well-being.
"Natural" on a dog food label has a specific, regulated meaning — and knowing what it means helps you make a more confident choice for your dog. According to the Association of American Feed Control Officials (AAFCO), a natural ingredient is one derived solely from plant, animal or mined sources that has not been produced by or subject to a chemically synthetic process [https://www.aafco.org/consumers/understanding-pet-food/]. That definition is the foundation every reputable natural dog food brand builds on.
What you feed your dog is one of the most important decisions you'll make for his lifelong wellbeing. Natural dog food made from whole ingredients and thoughtfully chosen protein sources can be a great fit for many dogs — but reading the label confidently is the real skill worth building.
Dog food brands that carry a natural nutrition claim must meet specific requirements set by AAFCO [https://www.aafco.org/consumers/understanding-pet-food/]. At a minimum, their formulas should:
The FDA also provides oversight of pet food labeling and ingredient safety, so natural claims are subject to federal scrutiny as well as AAFCO guidelines [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food]. If a label is easy to read and the ingredients are recognizable, that's a good sign the brand is being transparent about what's inside.
Natural dog food comes in several formulations, each designed for a different set of needs. Understanding these descriptors helps you narrow down the right dry dog food or wet option for your dog's life stage, activity level and sensitivities.
| Label Descriptor | What It Means | Best For |
|---|---|---|
| Limited Ingredient | One named protein source, one easily digestible carbohydrate, minimal additional ingredients | Dogs with food sensitivities |
| Higher Protein | Formulated with protein levels of 32% or more | Active dogs or those with higher energy needs |
| Organic | Ingredients not exposed to pesticides, growth hormones or antibiotics; meets USDA, FDA or other recognized organic authority standards | Pet parents prioritizing certified sourcing |
| Grain-Free | Replaces grains with alternative carbohydrate sources; typically higher in protein | Dogs with confirmed grain sensitivities — consult your veterinarian before switching |
A note on grain-free diets: The FDA has been investigating a potential link between grain-free diets and dilated cardiomyopathy (DCM) in dogs [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food]. Talk with your veterinarian before choosing a grain-free formula to make sure it's the right fit for your individual dog.
Once you understand the category, it's time to look at what's actually in the bag. Here's what to prioritize — and why each ingredient group matters.
Named Animal Proteins Look for specifically named proteins — chicken, lamb, salmon, duck or venison — rather than generic terms like "poultry," "meat" or "fish by-products." Named proteins are generally considered higher quality and more traceable [https://www.aafco.org/consumers/understanding-pet-food/]. Unique proteins like venison or duck can also be valuable for dogs who have trouble digesting more common protein sources. Both are good sources of zinc and iron, which can help support a wholesome energy level [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals].
High-Quality Carbohydrates Dogs are omnivores, so carbohydrates are a legitimate and important part of a balanced diet [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals]. Look for whole-food carbohydrate sources like brown rice, oats or potatoes — these provide sustained energy and are easier to recognize on a label than highly processed alternatives.
Wholesome Fats Fats support skin, coat and overall cellular function. In natural formulas, look for named fat sources such as chicken fat, flaxseed oil or salmon oil. These are higher-quality options compared to generic "animal fat" listings [https://sites.tufts.edu/petfoodology/].
Whole Foods: Fruits and Vegetables Whole food ingredients like blueberries, sweet potatoes, carrots and spinach are easily recognizable and bring their own vitamins, minerals and antioxidants to the formula. Antioxidants in particular are often included to help support a dog's immune system [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals].
Natural Preservatives Natural formulas use preservatives derived from food sources — most commonly vitamin C (ascorbic acid), vitamin E (tocopherols) and plant-derived oils such as rosemary or clove. These are a different approach from synthetic preservatives like BHA, BHT and ethoxyquin that appear in some conventional dog foods. One trade-off worth knowing: natural preservatives generally result in a shorter shelf life than their synthetic counterparts, so always check the "best by" date and store food properly [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food].
Beyond the core ingredient groups, many natural brands offer formulas targeted to particular goals:
Pair any specialty formula with appropriately chosen dog treats — treats should make up no more than 10% of your dog's daily caloric intake to keep his overall diet balanced [https://petnutritionalliance.org/].
If you have questions as you compare natural dog food options, a knowledgeable Petco associate can help you find the formula that fits your dog's age, size and nutritional needs. And for any concerns about food sensitivities, digestive issues or specific health conditions, always consult your veterinarian before making a dietary change.
Use this table as a quick reference when reading labels. Every ingredient listed appears in quality natural formulas and contributes a specific nutritional role — so you know exactly what you're paying for and why it matters.
| Ingredient | Category | Primary Nutritional Role | What to Look For on the Label |
|---|---|---|---|
| Chicken, lamb, salmon, beef | Protein | Amino acids for muscle maintenance, energy, immune function | Named species first (e.g., "deboned chicken"), not generic "meat" or "poultry" [https://www.aafco.org/consumers/understanding-pet-food/] |
| Venison, duck, rabbit | Novel/unique protein | Alternative amino acid profiles; supports dogs with food sensitivities | Single named source; useful in limited-ingredient formulas [https://www.aafco.org/consumers/understanding-pet-food/] |
| Brown rice, oats, potatoes, sweet potato | Carbohydrate | Sustained energy, dietary fiber, digestive support | Whole or named form (e.g., "whole brown rice," not "grain fragments") [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals] |
| Chicken fat, salmon oil, flaxseed oil | Fat | Omega-3 and omega-6 fatty acids; supports skin, coat and brain health | Named fat source; avoid vague "animal fat" [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals] |
| Blueberries, cranberries, spinach, carrots | Fruits & vegetables (whole food) | Antioxidants, vitamins A, C and K, natural fiber | Recognizable whole-food names; position in ingredient list indicates quantity [https://www.aafco.org/consumers/understanding-pet-food/] |
| Vitamin E (tocopherols), vitamin C (ascorbic acid), rosemary extract | Natural preservatives | Prevent fat oxidation and rancidity without synthetic additives | Listed by name; preferable to BHA, BHT or ethoxyquin [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food] |
| BHA, BHT, ethoxyquin | Synthetic preservatives (to limit) | Extend shelf life; not aligned with natural nutrition standards | Avoid or minimize; look for natural alternatives above [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food] |
| Peas, lentils, chickpeas | Legume-based carbohydrate/protein | Plant protein, fiber; common in grain-free formulas | Consult your veterinarian before choosing grain-free diets; ongoing research into legumes and cardiac health [https://sites.tufts.edu/petfoodology/] |
| Zinc, iron (from named meat sources) | Minerals | Energy metabolism, immune support, healthy coat | Best absorbed from animal-based sources rather than synthetic mineral blends [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals] |
| Added antioxidants (e.g., selenium, vitamin E) | Supplements | Support immune system function | Should complement — not replace — whole-food antioxidant sources [https://wsava.org/global-guidelines/global-nutrition-guidelines/] |
How to read this table: Ingredients are listed on dog food labels in descending order by pre-cooking weight. A named animal protein in the first position is a strong signal of quality. If you have questions about a specific formula, your knowledgeable Petco associate or your veterinarian can help you interpret the label for your dog's individual needs.
What does "natural" actually mean on a dog food label? According to AAFCO, "natural" means a feed or ingredient derived solely from plant, animal or mined sources — either in its unprocessed state or processed only by physical, heat, rendering, purification, extraction, hydrolysis, enzymation or fermentation methods. It does not mean organic, and it does not guarantee a specific nutrient level. Always read the full ingredient list alongside the Guaranteed Analysis panel. [https://www.aafco.org/consumers/understanding-pet-food/]
Are dogs carnivores that need a meat-only diet? No. Dogs are omnivores, meaning they thrive on a balanced diet that includes both animal-based proteins and plant-based ingredients such as whole grains, vegetables and fruits. A complete and balanced natural formula accounts for this by combining quality meat proteins with wholesome carbohydrates and fiber sources. [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals]
Is grain-free natural dog food a better choice? Not necessarily — and it depends on your individual dog. Grain-free formulas are formulated for dogs with confirmed sensitivities to grains, but they are not inherently superior for all dogs. Researchers and veterinary nutritionists are actively studying a potential link between certain grain-free, legume-heavy diets and dilated cardiomyopathy (DCM) in dogs. Consult your veterinarian before switching to a grain-free diet. [https://sites.tufts.edu/petfoodology/]
How do natural preservatives compare to synthetic ones? Natural preservatives — such as mixed tocopherols (vitamin E), ascorbic acid (vitamin C) and rosemary extract — slow fat oxidation without the use of synthetic chemicals like BHA, BHT or ethoxyquin. The trade-off is a shorter shelf life, so check the "best by" date carefully and store food in a cool, dry place. The FDA oversees the safety of both natural and synthetic preservatives used in pet food. [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food]
What should I look for to confirm a natural dog food is nutritionally complete? Look for the AAFCO nutritional adequacy statement on the label — it confirms the food meets minimum nutrient profiles for your dog's life stage (puppy, adult or senior). The World Small Animal Veterinary Association (WSAVA) also recommends choosing brands that employ a full-time, board-certified veterinary nutritionist and conduct feeding trials. [https://wsava.org/global-guidelines/global-nutrition-guidelines/] [https://www.aafco.org/consumers/understanding-pet-food/]
Can any ingredients in natural dog food be harmful? Even in natural formulas, some ingredients warrant caution. Certain spices, fruits and plant extracts that appear "natural" can be harmful to dogs — for example, onion and garlic (even in powdered form) are toxic. If you spot an unfamiliar ingredient or your dog shows any adverse reaction after a diet change, contact your veterinarian or the ASPCA Animal Poison Control Center immediately. [https://www.aspca.org/pet-care/animal-poison-control]
What does "natural" actually mean on a dog food label? According to the Association of American Feed Control Officials (AAFCO), "natural" on a pet food label means the ingredients are derived solely from plant, animal or mined sources — with no chemically synthesized additives, except for added vitamins and minerals. The term is a defined, regulated descriptor, not a marketing phrase, so look for it alongside an AAFCO nutritional adequacy statement to confirm the food meets complete-and-balanced standards. [https://www.aafco.org/consumers/understanding-pet-food/]
Is natural dog food nutritionally better than conventional dog food? Not automatically. A dog food's quality depends on whether it meets established nutritional requirements for your dog's life stage — not solely on whether its ingredients are natural. Dogs are omnivores and need a balanced profile of protein, fats, carbohydrates, vitamins and minerals regardless of the ingredient source. [https://www.merckvetmanual.com/management-and-nutrition/nutrition-small-animals/nutritional-requirements-of-small-animals] The World Small Animal Veterinary Association recommends evaluating any diet based on nutritional adequacy and the manufacturer's quality-control practices, not label claims alone. [https://wsava.org/global-guidelines/global-nutrition-guidelines/] When in doubt, consult your veterinarian.
How do I read a natural dog food label correctly? Start with the ingredient list — ingredients are listed by pre-cooked weight, so a specifically named protein like "chicken" or "salmon" appearing first is a positive sign. Then locate the AAFCO nutritional adequacy statement, which confirms the food is complete and balanced for your dog's life stage. The FDA requires pet food labels to include the product name, net quantity, manufacturer information, guaranteed analysis and feeding directions — familiarizing yourself with each panel helps you compare products confidently. [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food]
Are natural preservatives in dog food truly safer than artificial ones? Natural preservatives — such as mixed tocopherols (vitamin E), ascorbic acid (vitamin C) and rosemary extract — are widely used in natural formulas as alternatives to synthetic preservatives like BHA, BHT and ethoxyquin. They are generally considered a lower-risk option, though they do result in a shorter shelf life. Always check the "best by" date and store food according to package directions. For specific concerns about preservative safety for your individual dog, your veterinarian is the best resource. [https://sites.tufts.edu/petfoodology/]
Should I choose grain-free natural dog food for my dog? Grain-free diets are formulated for dogs with confirmed sensitivities to grains, but they are not necessary — or appropriate — for every dog. The FDA has been investigating a potential link between certain grain-free diets and dilated cardiomyopathy (DCM) in dogs, and the topic remains an active area of research. [https://www.fda.gov/animal-veterinary/animal-foods-feeds/pet-food] Consult your veterinarian before switching to a grain-free formula to determine whether it is the right choice for your dog's specific health needs.
How can I verify that a natural dog food brand meets quality standards? Look for brands that publish their nutritional testing protocols, employ board-certified veterinary nutritionists and provide transparent ingredient sourcing. The Pet Nutrition Alliance offers resources to help pet parents evaluate manufacturer practices and ask the right questions. [https://petnutritionalliance.org/] The WSAVA global nutrition guidelines also outline specific questions — such as whether the company conducts feeding trials and employs a full-time nutritionist — that can help you assess a brand's credibility before you buy. [https://wsava.org/global-guidelines/global-nutrition-guidelines/]
This article was created with assistance from AI tools and reviewed for accuracy by Petco's content team.