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Arterra vs. Greenies
7 reasons 37,000+ dog owners switched, and why most say they wish they'd done it sooner.
The Only Dog Dental Chew With nHA
Made in the USA
No Wheat · No Chicken · No Fillers
Veterinarian Formulated
Default doesn't mean best. Here's what's actually in your dog's daily chew, and what it's doing to their teeth.
Greenies works through mechanical abrasion: it grinds plaque off the surface, wearing down the enamel underneath with every chew. Arterra uses nano-hydroxyapatite (nHA), the mineral that makes up 97% of tooth enamel, to remineralise and repair from within.
Bad breath is bacteria thriving in plaque. Arterra's nHA and prebiotic formula rebalances the oral environment at the source, not masked with flavor. Over 50% of reviewers mention it in the first two weeks.
“Her breath changed in the first week. I couldn't believe it.”
Greenies' top ingredients include wheat protein isolate, wheat starch, and chicken flavoring. For dogs with sensitivities, that's a daily problem hiding in plain sight. Arterra has neither.
“My older dog has dental issues. Powders do not work and he can’t eat Greenies. They make him sick. He also has a sensitive stomach.”
nHA is the active ingredient in premium human toothpastes. Dentists use it to reverse early stage enamel erosion. Arterra is the first dog dental chew built on the same technology.
“We’ve used human nano-hydroxyapatite toothpaste for years. Thrilled to see a dog version that actually strengthens teeth, not just cleans them.”
nHA repairs enamel. Prebiotics rebalance the oral microbiome. Active botanicals support healthy gums. Nothing is in there to add bulk or cut cost. Greenies is primarily wheat starch, a cheap filler that hasn't changed in 20 years.
Vet cleanings require sedation. For older dogs, that risk grows. Daily nHA support slows the progression of plaque and gum disease when a procedure is no longer a safe option.
“3 of my 4 dogs are seniors and I hope to avoid dental procedures with the help of this product.”
4.6 stars. The most common themes: breath improved in week one, visible plaque reduction within a month, vets asking what changed at the next checkup.
“Vet asked what I changed at our last visit. I just smiled.”
“Switched from Greenies. The difference in breath and teeth in 3 weeks was undeniable.”
Limited Time Sale — Get 42% Off Your First Order
Fresher breath in week one. A taste dogs actually beg for. Cancel anytime.
© 2026 Arterra Pet, All Rights Reserved.
© 2026 Arterra Pet, All Rights Reserved.
