Cartalax
1 mg3 amino acids · A-E-D
Signals to cartilage cells to support healthy structure.
Ala-Glu-Asp — an ultra-short bioregulator studied for its signaling to chondrocytes, the cells that maintain cartilage.
Plus
Joint Plus
Cartalax 1 mg
Cartalax, a three–amino-acid bioregulator, supports healthy cartilage and comfortable, flexible movement — especially as the years add up.
- Supports healthy cartilage structure
- Helps maintain flexible, comfortable movement
- Supports joints through the senior years
FlavorChicken
- Free shipping over $50
- 60-day guarantee
- Vet-formulated
Each chew: Cartalax 1 mg. 60 chews per jar. Under 30 lb: ½ chew daily · 30–75 lb: 1 chew · over 75 lb: 1½ chews. Cats: follow the feline chart on the label.
Offer as a treat or crumble over food, at the same meal each day. Scored to snap cleanly in half. Store sealed, below 25°C.
Ships in 1–2 business days. Free over $50. Not the right fit? Our 60-day guarantee covers your first jar.
The stairs are a test your dog takes every day. Joint Plus helps keep the answer easy.
Every step counts
Small changes, noticed early.
Joint changes rarely announce themselves. They show up as a slower start, a shorter walk, a moment of hesitation at the bottom of the stairs.
Joint Plus gives cartilage steady, daily support — so the stairs stay just stairs.
Read: reading your senior dog’s jointsThe stairs test
Is it time for joint support?
Tick what you’ve noticed in the last month. It isn’t a diagnosis — it’s a starting point for a conversation with your vet.
0 of 6 noticed
Moving well — keep it that way.
If your dog is over 7 or a larger breed, starting Joint Plus now helps maintain cartilage before changes show.
Start Joint PlusWhat’s inside
One peptide, one job.
Each sequence is chosen for a specific role and dosed precisely — in micrograms and milligrams, not guesswork.
Cartalax
1 mg per chew3 amino acids · A-E-D
Signals to cartilage cells to support healthy structure.
Ala-Glu-Asp — an ultra-short bioregulator studied for its signaling to chondrocytes, the cells that maintain cartilage.
- Dose1 mg
- Chews per jar60
- FlavorsChicken, Bacon, Beef
Alanine · Glutamic acid · Aspartic acid
What to expect
Support that builds, day by day.
Week 1
Start the habit
Give one chew daily with breakfast or dinner, dosed by weight.
Weeks 3–6
Smoother starts
Many owners notice easier rising after rest.
Weeks 8–12
Comfortable movement
Cartilage support builds; walks feel more like walks again.
Ongoing
Maintain
Joint support works best as a long-term, daily routine.
Tested, every lot
Read the certificate for your jar.
Every lot of Joint Plus is tested by an independent lab for identity, purity, peptide content and contaminants before release. Scan the code on the base of the jar.
How to read a COACertificate of analysis
Joint Plus
LotAT-2611-JNT
| Test | Method | Specification | Result |
|---|---|---|---|
| Cartalax identity | HPLC-MS | Conforms | Conforms |
| Peptide purity | HPLC | ≥ 98.0% | 99.3% |
| Heavy metals | ICP-MS | Within limits | Pass |
| Microbial | USP 2021/2022 | Within limits | Pass |
Reviews
4.8
1,742 verified reviews*
1,742 verified reviews*
“At twelve, he takes the stairs again. I didn’t think I’d get to write that sentence.”
“She’s waiting at the door for walks again instead of the couch.”
“Chicken flavor, no fuss, and our vet liked the label transparency.”
Questions about Joint Plus
Can’t find it here? Visit the help center
Many vets suggest starting around age 7, or earlier for large and giant breeds and very active dogs. Prevention is easier than catching up.
Generally yes — they work differently. Tell your vet everything your dog takes so they can see the full picture.
Yes, with the feline dosing on the label. Older cats hide joint discomfort well; watch for less jumping onto furniture.
Cartilage support is gradual. Give it 8–12 weeks of consistent daily use before judging.
