10 Best Kingdom Alternatives & Competitors (2026)

AnimalBiome provides microbiome testing and fecal transplants plus postbiotic supplements for dogs and cats. It excels in gut health diagnostics. Versus Kingdom, it emphasizes restoration therapies over pre-formulated ingredients with broad efficacy data across skin, oral, and stool metrics.

Chr. Hansen develops probiotic and postbiotic cultures for animal nutrition including pets. It has extensive fermentation expertise and global supply. Kingdom differentiates with pet-specific trials showing faster visible results on itching and dental health than many general culture suppliers.

DuPont supplies Howaru and other postbiotic strains for pet food applications. It provides large-scale manufacturing and broad research. Kingdom's edge lies in narrower, deeper pet health trials demonstrating superior performance on specific endpoints like coat quality and microbiome diversity.

Purina Pro Plan offers veterinary diets and supplements with FortiFlora probiotic for digestive and immune support. Strong brand trust and retail presence are advantages. In comparison to Kingdom, Purina focuses more on complete foods than standalone clinically validated fermentates for skin and oral claims.

VetriScience creates vet-formulated supplements for skin, joint, and digestive issues in pets. It targets practitioners with evidence-based formulas. Alternatives like Kingdom provide more postbiotic focus and quantified speed of results versus traditional supplement blends.

Hill's Pet Nutrition produces prescription diets addressing skin sensitivities and digestive health. It leverages clinical feeding studies. Kingdom offers ingredient-level solutions that brands can incorporate for custom claims, unlike Hill's finished diet approach.

NOW Foods Pets supplies affordable probiotic and omega supplements for general pet wellness. Wide availability is a plus. Kingdom surpasses on rigorous clinical validation and targeted root-cause efficacy for itching and oral health rather than broad wellness positioning.

Visbiome Vet delivers high-potency probiotic blends for canine and feline GI issues. It emphasizes strain specificity. Compared with Kingdom, it lacks the postbiotic fermentate format and multi-study data on visible skin and dental improvements.

Zesty Paws markets soft chew supplements for skin, digestion, and immunity using probiotics and botanicals. Consumer appeal is high. Kingdom provides B2B ingredients with superior clinical backing for brands seeking measurable performance advantages over retail chews.