Longevity15™ — 30-Day Supply
Powered by fatty15® — pure, award-winning C15:0
Money-Back
Over $69
cGMP Certified
Healthy aging starts at the cellular level
One daily packet of pure C15:0 helps strengthen your dog's cells — the foundation of long-term health.
Cellular Health
Strengthens cell membranes & supports immune function
Heart & Liver
Helps support heart and liver function in dogs
Energy & Mobility
Boosts vitality for more play, more walks
Less Inflammation
Helps calm inflammation & metabolic imbalance
Healthy Aging
Promotes health at all life stages — “Love Your Dog Longer…”
Proven for humans, perfected for dogs.
C15:0 (pentadecanoic acid) is the first essential fatty acid discovered in over 90 years — and dogs can't make enough of it on their own.
What is C15:0?
An odd-chain saturated fatty acid that integrates into cell membranes, making cells stronger and more resilient as your dog ages.
Why fatty15®?
Longevity15 uses FA15™ — the pure, patented, vegan-friendly form of C15:0 behind the award-winning human supplement fatty15.
Beyond omega-3s
Unlike fragile fish oils, C15:0 is a sturdy fat that doesn't oxidize easily — supporting cells without the downsides.
One packet. Once a day.
Tear
Open one single-serve packet — pre-dosed for your dog's size.
Sprinkle
Pour over your dog's food at mealtime. Tasty Himalayan-cheese flavor dogs love.
Thrive
Give daily. Cellular benefits build over weeks of consistent use.
Four ingredients. Zero junk.
Active Ingredient
Pure, science-backed essential fatty acid — the same award-winning ingredient in fatty15 for humans.
Inactive Ingredients
Himalayan cheese, miscanthus grass, natural flavoring, mixed tocopherols (a natural preservative). No artificial flavors or fillers.
Directions & Sizing
Give orally — one packet per day at mealtime.
| Size | Dog Weight | Net Wt. |
|---|---|---|
| XS | 5.5–12 lbs | 2.65 oz (75 g) |
| SM | 13–25 lbs | 2.91 oz (82.5 g) |
| MD | 26–50 lbs | 3.17 oz (90 g) |
| LG | 51–100 lbs | 3.70 oz (105 g) |
| XL | 100+ lbs | 4.23 oz (120 g) |
“Love Your Dog Longer…”
Every extra year matters. Longevity15 was made for the walks you haven't taken yet, the birthdays still to come, and the gray muzzles that deserve their best life.
Frequently asked
What is C15:0?
Can my dog get enough C15:0 from food alone?
Can fatty15 replace omega-3s?
How does it support liver function?
How do I give it to my dog?
What if my dog doesn't love it?
Try it for two months, risk-free
Made in the USA in cGMP-certified facilities. If Longevity15 isn't right for your dog, we'll refund you in full within 60 days.
Get Longevity15