The Honest Kitchen announced on April 1, 2026 the launch of its Protein Plus Collection, a new line of high-protein dry dog food products available at Petco, PetSmart, Amazon, and independent pet retailers nationwide, as well as directly at thehonestkitchen.com. The collection launches with two formats: Protein Plus Clusters, a new complete dry food, and Protein Plus Toppers, a meal addition designed to boost protein content of any existing diet.
According to The Honest Kitchen’s announcement, 49% of pet parents say they serve their dog a high-protein diet, with demand continuing to grow. The brand was founded in 2002 by Lucy Postins and operates as a pioneer in the human grade pet food category, producing complete and balanced meals, toppers, supplements, and treats using whole food ingredients.
The Products: What Human Grade Actually Means Here
The Protein Plus Collection is built around two distinct use cases, and it is worth understanding both clearly.
Protein Plus Clusters is a complete dry food formulated with real meat rather than meat meals, meaning the protein source is whole muscle meat processed to a dry format rather than rendered byproduct meal. The formulation includes pumpkin and probiotics for digestive support, omega fatty acids for skin and coat health, and taurine for cardiovascular health. The human grade certification means every ingredient meets standards for human consumption and the product is manufactured in a facility that also holds human food production standards.
Protein Plus Toppers is a single-ingredient-category addition designed to be mixed into any existing meal. According to The Honest Kitchen’s announcement, the Toppers deliver over 40 grams of protein per serving, with 90% of protein sourced from animal ingredients, using just ten total ingredients. The simplicity of the formulation is the differentiating claim: it is positioned as a clean, traceable protein boost rather than a complex supplemental product.
The Protein Plus Toppers format is commercially significant because it does not require pet parents to switch their primary food. It is an add-on that works with whatever the dog is already eating. This dramatically lowers the adoption barrier, particularly for pet owners who are committed to their current food brand but want to increase protein density without changing the full diet.
“As Protein-Forward Diets Continue to Shape Human Nutrition”
The Honest Kitchen framed the Protein Plus Collection launch explicitly within the human wellness trend context. The announcement states that the line was inspired by “evolving human wellness trends” and opens with a direct parallel between protein-focused eating in people and the same demand emerging among pet owners for their dogs.
Leilani Alvarez, DVM, Senior Veterinarian and Specialist in Sports Medicine and Rehabilitation at the Schwarzman Animal Medical Center, provided veterinary context in the announcement:
“Feeding highly digestible, high quality protein as part of a complete and balanced diet is essential for maintaining lean muscle mass, supporting strength, and promoting optimal mobility and overall health.”
The clinical framing is deliberate. By anchoring the protein claim in veterinary science and naming a specialist in sports medicine and rehabilitation, The Honest Kitchen is positioning the Protein Plus Collection within the performance nutrition conversation rather than the general wellness conversation. This matters for the target consumer: a pet parent who is already tracking their own macros, shopping at Petco for premium food, and has been primed by months of human food brand messaging around protein density as the primary nutritional metric.
Why It Matters for Pet Food Manufacturers and Ingredient Suppliers
The humanization of pet nutrition is the most structurally significant demand driver in the premium pet food category. The Honest Kitchen’s explicit positioning of the Protein Plus Collection as a response to human wellness trends is not a marketing decision made in isolation. It reflects the documented purchasing behavior of the pet owner demographic that shops in the premium pet food segment. These are consumers who read ingredient labels on their own food and apply the same scrutiny to what they buy for their pets. They respond to the same language, the same claims, and the same ingredient transparency that drives their own grocery decisions.
Human grade certification creates a distinct and demanding ingredient sourcing requirement. Human grade pet food must use ingredients that meet FDA standards for human consumption at every point in the supply chain, and the production facility must hold human food manufacturing compliance. This means The Honest Kitchen’s protein inputs, including the whole muscle meat at the center of the Protein Plus Clusters formulation, must be sourced from suppliers who hold human food supply chain credentials, not just pet food-grade protein suppliers. For wholesale protein suppliers, co-manufacturers, and cold chain distributors who hold human grade certifications, the growth of The Honest Kitchen and the human grade pet food category represents a sourcing opportunity that requires higher compliance standards but commands significantly higher price points than conventional pet food ingredient contracts.
The Toppers format signals where premium pet food innovation is heading. The meal topper category in pet food has been growing as a bridge between complete-and-balanced dry diets and the raw, fresh, or premium whole food formats that pet owners aspire to but may not be able to afford or maintain daily. A topper with 40-plus grams of protein per serving and ten clean ingredients is positioned to capture the pet owner who wants to upgrade their dog’s nutrition incrementally without fully switching food systems. For co-manufacturers developing topper format capabilities, the simplicity of a ten-ingredient, animal-protein-forward topper is technically achievable without the complexity of complete and balanced formulation, making it a lower-barrier entry point for private label development in the premium pet nutrition space.
The distribution footprint confirms mainstream retail viability. The Protein Plus Collection is available at Petco, PetSmart, and Amazon alongside direct-to-consumer. This is not a specialty-only launch. It is a mass-pet-retail launch positioned within the premium tier of the largest pet retail chains in the country. For ingredient suppliers evaluating the scale of demand the human grade pet food category can generate, distribution at Petco and PetSmart at the premium price point validates that the market is large enough to support significant input volume at consistent quality.
FAQs
- What is The Honest Kitchen Protein Plus Collection? A new line of high-protein dog food products including Protein Plus Clusters, a complete dry food with real meat and functional ingredients, and Protein Plus Toppers, a ten-ingredient meal addition delivering over 40 grams of protein per serving with 90% of protein from animal sources.
- What does human grade mean for pet food? Human grade certification means every ingredient meets standards for human consumption and the product is manufactured in a facility that also meets human food production standards, as verified by AAFCO and applicable regulatory bodies.
- Where is the Protein Plus Collection available? At Petco, PetSmart, Amazon, independent pet retailers nationwide, and directly at thehonestkitchen.com.
- When was The Honest Kitchen founded? The company was founded in 2002 by Lucy Postins in San Diego, California.
- What percentage of pet parents serve their dog a high-protein diet? According to The Honest Kitchen’s own pet parent panel of 10,708 respondents conducted in Q1 2025, 49% of pet parents say they serve their dog a high-protein diet.
About Source86
The Honest Kitchen’s Protein Plus Collection launch reflects the growing demand for human grade, whole muscle protein inputs, clean-label functional ingredients including probiotics, pumpkin, and omega fatty acids, and co-manufacturing capabilities that meet human food production standards for the premium pet food category. At Source86, we connect pet food manufacturers, co-packers, and private label pet nutrition operators with trusted bulk and wholesale suppliers of human grade protein ingredients, functional food additives, and specialty pet nutrition inputs that power premium dry food, topper, and complete-and-balanced pet food formulations across retail and direct-to-consumer channels.
Whether your production team is developing a new human grade dog food line, sourcing bulk whole muscle protein for a premium pet food co-manufacturing program, or building a private label pet nutrition topper format for retail, Source86 is your bridge to the right manufacturing and supply chain partners. Contact Source86 today to start your sourcing search.
