Why BetterBone Doesn't Use Rendered Animal Protein or Animal-Fat Flavoring

by Chisholm Weaver on Sep 08 2026
Table of Contents

    Quick answer: BetterBone is a non-edible chew toy, so it does not need rendered animal protein for nutrition or animal fat for flavor. We use cellulose fibers, renewable plant-derived inputs, and vegetarian scent infusions instead. This removes common animal proteins from the formula and avoids the specific oxidation pathway associated with animal-fat scent systems.

     

    Rendered animal ingredients have a legitimate place in pet nutrition. AAFCO explains that rendering cooks animal tissues, removes much of the water and fat, and produces concentrated protein and mineral ingredients. Properly manufactured rendered meals can be safe and useful in complete pet foods.

    BetterBone is not pet food.

    That single fact changed our formulation question.

    We did not ask, "Which rendered meat ingredient should make the chew smell appealing?"

    We asked:

    Does a non-edible chew toy need animal protein or animal fat at all?

     

    Our answer is no.

    Reason 1: Allergy-conscious chewing should start with the protein source

    Food allergy in dogs commonly involves dietary proteins. Beef, dairy, chicken, wheat, and lamb appear among the more frequently reported allergens in veterinary literature, though an individual dog can react to other proteins and may react to more than one source.

    A meat-based scent system can introduce the exact protein a pet parent is trying to avoid.

    By removing intentional animal-derived ingredients from the current formulation, BetterBone avoids adding:

    ·  Chicken protein

    ·  Beef protein

    ·  Pork protein

    ·  Fish protein

    ·  Dairy protein

    ·  Egg protein

    ·  Collagen or gelatin

    ·  Generic rendered animal protein

    This does not make BetterBone universally allergen-free. Plant and yeast ingredients can matter to some dogs. It does establish a clear, broader standard: animal-protein-free.

    Reason 2: Restricted-diet dogs still need an outlet

    A veterinary elimination diet may remove treats, rawhide, animal tissue chews, dental products, food-filled toys, and flavored medications. The dog still has a natural urge to chew.

    A non-food, animal-protein-free toy gives pet parents and veterinarians another category to evaluate. It can preserve enrichment without automatically introducing another meat source.

    BetterBone should never be presented as automatically approved for a diagnostic diet trial. Merck notes that flavored toys can disrupt a trial, and some veterinarians exclude every scented product. The responsible position is:

    BetterBone is a transparent animal-protein-free option to discuss with the veterinarian managing the diet.

     

    Reason 3: A meat-like scent does not require meat

    Flavorings can come from plant, animal, or microbiological sources. Yeast-derived ingredients are widely used to create savory character.

    BetterBone's current Veggie, Beef, and Venison scent profiles use vegetarian, plant-based scent infusions. "Beef" and "Venison" describe the sensory profile, not animal-protein content.

    This lets us provide an engaging chew without changing the product's underlying ingredient standard from one scent to another.

    Plant-based should not stop at the core and turn into meat-based at the surface.

    Reason 4: No animal-fat flavoring means one less oxidation pathway

    Rancidity is primarily the oxidation or breakdown of fats. Heat, oxygen, light, time, packaging, and antioxidants affect stability.

    Animal-fat coatings and palatants can be managed successfully in foods and treats, but they create a stability requirement. Research on pet foods made with rendered protein meals shows that oxidized and rancid sensory attributes can increase during storage, particularly without effective antioxidant protection.

    BetterBone does not use animal-fat flavoring. That removes the specific animal-derived lipid oxidation pathway from our scent system.

    We do not claim BetterBone can never age, become contaminated, or change under poor storage. The precise benefit is that animal fat is not present to become rancid.

    Reason 5: The ingredient story becomes easier to explain

    A premium product should be understandable.

    BetterBone's current formulation story is:

    ·  Cellulose fibers for plant-derived structure

    ·  Renewable plant-derived polymer inputs for performance

    ·  Vegetarian scent infusion for engagement

    And the absence story is:

    ·  No animal-derived ingredients

    ·  No rendered animal protein

    ·  No animal-fat flavoring

    ·  No rawhide

    ·  No nylon

    ·       No peanut or tree nut ingredients, produced in a nut-free facility

    That is clearer than asking pet parents to interpret an unnamed animal digest or generic meat coating.

    Reason 6: It can matter in homes with human food allergies

    A dog chew travels through shared living spaces. For a household with a severe allergy to a specific animal food protein, reducing that ingredient in pet products may be one useful control.

    BetterBone's animal-protein-free formulation can reduce intentional introduction of chicken, beef, fish, dairy, egg, and other animal-food proteins through the chew itself.

    It does not make a home allergen-free. It does not address dog dander or saliva allergy. Manufacturing cross-contact and the family's exact allergen still need to be considered with an allergist.

    BetterBone is also manufactured in a nut-free facility, giving households managing a peanut or tree nut allergy a direct, additional control alongside the animal-protein-free formulation.

    Reason 7: It aligns the whole product with the same standard

    BetterBone began as a material innovation. Vernovo combines cellulose fibers with renewable plant-derived inputs to create a chew without nylon or rawhide.

    Using an animal-based palatant after building a plant-derived core would create a compromise at the last step.

    Instead, the BetterBone standard runs through:

    ·  Structure: plant-derived composite

    ·  Scent: vegetarian and plant-based

    ·  Protein: no animal-derived protein

    ·  Flavor fat: no animal-fat system

    ·  Use: non-edible, supervised chewing

    ·  Fit: multiple densities rather than one-size-fits-all hardness

    That is what "plant-based to the core" should mean in practice.

    What we are not saying about rendering

    We are not saying:

    ·  All rendered ingredients are unsafe

    ·  Rendered meals are automatically rancid

    ·  Dogs should never eat animal protein

    ·  Plant-based ingredients cannot oxidize or cause reactions

    ·  BetterBone replaces a complete diet

    Rendered ingredients can support nutrition and resource efficiency in pet food. BetterBone simply has a different job. A chew toy does not need to deliver animal nutrition.

    The strongest product decision is often the ingredient you do not need to add.

    The BetterBone allergy-conscious chewing standard

    We define the category with six principles.

    1. Full material transparency

    Tell pet parents what forms the product, not only what it is not.

    2. Animal-protein-free formulation

    Do not hide animal protein inside a scent or coating.

    3. Plant-based scent disclosure

    Explain that aroma profile and ingredient source are different.

    4. No absolute allergy promises

    Hypoallergenic means less likely, not impossible. Severe allergy and elimination trials require veterinary guidance.

    5. Physical chew safety

    Match size, density, wear, and supervision to the individual dog.

    6. Evidence over adjectives

    Use supplier specifications, testing, and precise claims rather than vague "clean" language.

    This is how a brand earns authority instead of simply claiming it.

    How to use BetterBone responsibly

    1. Choose a size too large to swallow.

    2. Match Light, Moderate, or Hard to the dog's age, dental health, and chewing style.

    3. Supervise every session, especially the first uses.

    4. Expect small flakes during normal wear.

    5. Stop use if large pieces come off or the product becomes damaged.

    6. Replace when it becomes small enough to swallow.

    7. Remember: BetterBone is a chew toy, not food.

    8. Ask the veterinarian before using it in a formal elimination diet.

    Frequently asked questions

    What is rendered animal protein?

    It is a protein-rich ingredient made by cooking animal tissues under controlled conditions, removing much of the water and fat, and grinding the remaining material into a meal.

    Why would a chew toy contain rendered animal protein?

    Some products use animal-derived meals, digests, or palatants to create flavor and engagement. BetterBone uses a vegetarian scent system instead.

    Does BetterBone contain any animal fat?

    The current BetterBone formulation uses no animal-fat flavoring and no animal-derived ingredients.

    Is BetterBone completely allergy-free?

    No. BetterBone is hypoallergenic and animal-protein-free, but individual dogs can have unusual sensitivities. Consult a veterinarian for severe allergies.

    Does no animal fat mean no rancidity risk at all?

    It removes the animal-fat oxidation pathway. Other materials can still age or become contaminated, so proper storage, cleaning, inspection, and replacement remain important.

    Is BetterBone vegan?

    The current product formulation is made without animal-derived ingredients. Consumers who require a formal vegan certification should verify current certification status and manufacturing controls with BetterBone.

    Is BetterBone made in a nut-free facility?

    Yes. BetterBone is manufactured in a nut-free facility, with no peanut or tree nut ingredients in the current formulation.

    The bottom line

    BetterBone does not use rendered animal protein or animal-fat flavoring because a non-edible chew toy does not need them.

    Removing them gives pet parents a clearer animal-protein-free formula, supports dogs with restricted animal-protein exposure, removes the animal-fat oxidation pathway from the scent system, and keeps the plant-based standard intact from structure through scent.

    This is the category we intend to own:

    Allergy-conscious chewing

    No nylon. No rawhide. No rendered animal protein. Plant-based through the scent.

    BetterBone is for dogs whose ingredients matter - and pet parents who choose to chomp without compromise.

    Explore BetterBone or use the Chew-Sing Guide to find the right fit.

    Related reading

    ·  What's NOT in BetterBone

    ·  How Do You Flavor a Dog Chew Without Meat?

    ·  Can Dog Chews Go Rancid?

    ·  Chicken-Free Isn't the Same as Animal-Protein-Free

    Sources and further reading

    ·  AAFCO: What's in the Ingredients List?

    ·  Merck Veterinary Manual: Cutaneous Food Allergy in Animals

    ·  EFSA: Flavourings

    ·  Animals: Impact of Rendered Protein Meal Oxidation on Pet Food Shelf Life

    ·  FDA: Proper Storage of Pet Food and Treats

    ·  BetterBone FAQ