Month 7
"Four months in and his rear-end stiffness is just gone. The vet asked what we changed."
Camille R. · Atlas
Bernese Mountain · Paris, FR
Field Reports · 12,418 verifiedThe dogs who are
The dogs who are
already on it.
Every review here is from a verified K9·1 subscriber, posted after a minimum of 30 days on the protocol. No incentivized posts. No filtered ratings.
Verified Pack ReportsThe dogs who are
The dogs who are
already on it.
4.92 / 5
12,418 verified
Month 11
"Coat looks like a show dog's. I've quietly converted three friends at the dog park."
Daniel K. · Miso
Shiba Inu · Brooklyn, NY
Month 14
"She's 9. People keep guessing 4. The aluminum tube on the counter is half the joy."
Sofia M. · Olive
Whippet · Lisbon, PT
Month 5
"Switched from a vet brand. Stools firmer in a week, energy back by week three."
Henry P. · Bruno
Labrador · London, UK
Month 9
"Honestly embarrassed I fed her kibble alone for six years. K9·1 is the standard now."
Mei L. · Yuki
Samoyed · Stockholm, SE
Month 6
"She runs 8km with me again. The before/after on her recovery is night and day."
Adrian T. · Luna
Vizsla · Berlin, DE
The Pack · By cityAlready on every
Already on every
good street.
From Brooklyn brownstones to Tokyo apartments — K9·1 is now the standard daily protocol in the homes that obsess over what they put in their own bodies. Your neighborhood is on the list.
New York
1,284
London
1,102
Paris
894
Berlin
712
Los Angeles
658
Amsterdam
504
Stockholm
421
Sydney
388
Tokyo
317
Copenhagen
284
Toronto
261
Lisbon
203
#K91Pack · 8,204 postsThe aluminum tube
@k91.daily →The aluminum tube
is the new flex.
@member_1
@member_2
@member_3
@member_4
@member_5
@member_6
Clinical AdvisoryThe vets who
The vets who
formulated it.
Every K9·1 protocol is signed off by a veterinary nutrition advisory board with combined 40+ years in canine clinical care, sports medicine, and longevity research.
"K9·1 is the first consumer protocol I've seen disclose clinical doses across mobility, gut, and immunity in a single sachet. It's what I'd formulate myself."
Dr. Elise Marchand, DVM
Veterinary Nutrition · Advisory Board
"I prescribe K9·1 to the working and sport dogs in my practice. The recovery markers and joint resilience over 12 weeks are unambiguous."
Dr. James Okafor, DVM, MSc
Sports Medicine · Working Dogs
Begin the ProtocolGive your dog the
Give your dog the
best years possible.
One sachet, every day. A premium aluminum tube on the counter and a calmer, more resilient dog beside you.