- 1 Packet Daily
- Just sprinkle on food for optimal C15:0 levels
Slows Cellular Aging
C15:0 strengthens cell walls by 80%, protecting your dog’s cells from the daily breakdown that causes rapid aging.
✕
Vet-Approved
200+ bought today
Clinically Studied Formula
Longevity15
4.9/5 (982 reviews)Free Gift
Tasty, science-backed supplement packed with C15:0 to restore cellular fuel, support heart health, improve liver function, and slow Read moreaging at the cellular level.
BestSeller
200+ people bought in the last 24 hours
Longevity15
+ Free Gift 4.9/5 (982 reviews)Tasty, science-backed supplement packed with C15:0 to restore cellular fuel, support heart health, improve liver function, and slow Read moreaging at the cellular level.
Hurry!
Over 1000 people
have this in their carts
Best product
in this shop
60 day
money back guarantee
In demand! sold
in the last 24 hours
Ships byFri, Jan 16th
Hurry!
Over 1000 people
have this in their carts
Best product
in this shop
60 day
money back guarantee
In demand! sold
in the last 24 hours
Ships byFri, Jan 16th
View Daily Feeding Guide
Daily Dosing Made Simple
Full List of Ingredients
Active Ingredients:
FA15™ (Pentadecanoic Acid) — 45 mg
Inactive Ingredients:
Himalayan cheese
Miscanthus grass
Natural flavoring
Mixed tocopherols
Inactive Ingredients:
Himalayan cheese
Miscanthus grass
Natural flavoring
Mixed tocopherols
Shipping And Delivery
We process orders within 1 business day. Shipping
typically takes 3–5 business days within the U.S.,
with tracking provided on all orders.Subscribers always enjoy free shipping.
We have impacted over 1m+ dogs globally
Meet our Science-backed Longevity Supplement
Maintains Cellular Health
Our longevity supplements support cell membrane strength and prevent cellular breakdown.
Heart & Liver Support
Supports healthy organ function and provides the essential nutrients for long-term cardiovascular health.
Boosts Vitality
Longevity 15 supports healthy mitochondrial function by refueling cells with essential C15:0 fatty acids.
Metabolic Support
Packed with powerful ingredients such as C15:0 and antioxidants to optimize your dog's metabolic age.
We have impacted over 1m+ dogs globally
Meet our Science-backed Longevity Supplement
Institutional Validation & Ingredients
The Canine Longevity & Research Institute
The Canine Longevity & Research Institute validated the efficacy of C15:0 in Longevity 15… for cellular repair, organ health, and stronger metabolism for a healthier lifespan.
How C15:0 Keeps Your Dog Young
Soothes Stiff Joints
Calms age-related inflammation to help older dogs move more freely, climb stairs easier, and stay active longer.
Restores "Puppy" Energy
Repairs mitochondria (the cell's power plant) to bring back the playfulness and vitality your dog had years ago.
Healthier Skin & Coat
Nourishes skin from the inside out, reducing flakiness and promoting a soft, shiny, and healthy coat you can feel.
Protects Heart & Liver
Clinically shown to support liver enzymes and heart health, protecting the vital organs your dog relies on for a long life.
Slows Cellular Aging
C15:0 strengthens cell walls by 80%, protecting your dog's cells from the daily breakdown that causes rapid aging.
Soothes Stiff Joints
Calms age-related inflammation to help older dogs move more freely, climb stairs easier, and stay active longer.
Restores "Puppy" Energy
Repairs mitochondria (the cell's power plant) to bring back the playfulness and vitality your dog had years ago.
Healthier Skin & Coat
Nourishes skin from the inside out, reducing flakiness and promoting a soft, shiny, and healthy coat you can feel.
Protects Heart & Liver
Clinically shown to support liver enzymes and heart health, protecting the vital organs your dog relies on for a long life.
See Why Pet Parents Love Longevity15
Why Longevity15?
♥︎ Trusted by pet parents worldwide
Reviews Of Longevity 15 Cellular Supplement
4.8 out of 5Based on 4,818 reviews
ReviewingLongevity15 “LG” Formula
LiamVerified Buyer
ConditionsCondition: Slowing Down / Lethargy
Period of use2 months
Buyer's Rating
My senior dog has her spark back. She’s acting like a
puppy again and isn't struggling with the stairs anymore!
ReviewingLongevity15 “XL” Formula
KimVerified Buyer
ConditionsAge-Related Fatigue & Joint Stiffness
Period of use2 months
Buyer's Rating
Our senior lab is doing so much better now with his
longevity supplement! He’s back to jumping on the couch
like he’s a puppy again!
ReviewingLongevity15 “MD” Formula
SarahVerified Buyer
ConditionsSenior Mobility & Vitality
Period of use1-3 months
Buyer's Rating
Finally a supplement that actually gives them more energy!
ReviewingLongevity15 “SM” Formula
ElaineVerified Buyer
ConditionsCellular Health & Cognitive Support
Period of use1-6 months
Buyer's Rating
I bought Longevity 15 for my dog Yogi. He’s been on it for
a month and he is so much more alert. He used to sleep all
day but now he’s so active.
ReviewingLongevity15 “MD” Formula
Maya M.Verified Buyer
ConditionsHeart & Liver Support, General Vitality
Period of use1-6 months
Buyer's Rating
I have to say this supplement really works. I've been
giving Longevity 15 to Elvis for 3 months and it's been a
game changer. Even my vet was impressed with the C15:0
research!
Frequently Asked Questions
At what age should my dog start Longevity15?
Longevity15 is recommended for dogs aged 7 or older,
but it won't hurt younger dogs whatsoever. (It's
simply that older dogs are in more urgent need of
Longevity15 benefits!)
How much Longevity15 should I give my dog daily?
One packet a day is all your best friend needs.
What flavor is Longevity15?
Longevity15 is flavored with real Himalayan cheese.
Dogs absolutely love it!
Is Longevity15 safe to take with other senior medications?
Yes! Longevity15 is perfectly safe to take with all
your dog's other medicines.