Fast layer
PEA (Levagen+) and eggshell membrane (NEM). Studied for early change, from the first weeks.
Daily joint support · Senior dogs
Seven studied actives. One scoop a day. Every amount on the label.
BarkReserve Core is a beef-liver granule for dogs entering their senior years, dosed to your dog’s weight and built only on ingredients with their own research in dogs. Sixty seconds tells you the right plan.
90-day guarantee · cancel any time · free US shipping
Per level scoop
7 actives · 3,000 mg
Beef liver granule
Scoop onto food
From
$19.99 a month
7
studied actives, each with its own research in dogs
1 scoop
a day, sized to your dog’s weight, mixed into food
90 days
to see the difference, or your money back. Covers “won’t eat it”.
Why BarkReserve
Owners judge a joint supplement in weeks. Most ingredients take months.
That gap is why so many jars end up at the back of the cupboard. The actives with the strongest long-term evidence, collagen peptides and undenatured type II collagen, are still building at month three. By then most owners have stopped.
So we layered the formula in time. PEA and eggshell membrane are the fast layer, studied for change inside the first weeks. Green-lipped mussel carries the middle. Collagen peptides and UC-II do the slow, structural work underneath.
And we made it something a dog actually wants: a soft beef-liver granule that disappears into dinner, instead of a chew to be refused or a tablet to be found under the sofa.
Medium layer
Whole green-lipped mussel at the level used in dog mobility trials.
Slow layer
Bioactive collagen peptides, the body of the granule, and UC-II at the studied 40 mg a day.
The formula
Seven actives. Every amount printed. Nothing proprietary.
Amounts per level scoop (one scoop per 10 kg or 22 lb of dog) and per day for a 20 kg dog. The research listed belongs to each ingredient; it did not test BarkReserve itself.
| Active | Per scoop | 20 kg dog / day | Layer |
|---|---|---|---|
| Bioactive collagen peptides The body of the granule. Porcine type I peptides, the form used in the dog study. Randomised dog trial with force-plate gait measurement (2024). | 2,000 mg | 4,000 mg | Slow layer |
| PEA (Levagen+®) Palmitoylethanolamide, a fatty-acid compound dogs make themselves. The fast layer. Randomised placebo-controlled trial in dogs with joint discomfort, 6 weeks. | 200 mg | 400 mg | Fast layer |
| Eggshell membrane (NEM®) Naturally occurring collagen, elastin and glycosaminoglycans. Early onset in the research. Two dog studies, with change measured from week one. | 135 mg | 270 mg | Fast layer |
| Green-lipped mussel Whole freeze-dried New Zealand mussel, lipid content stated on every batch certificate. Dog mobility trials at the maintenance level we use. | 190 mg | 380 mg | Medium layer |
| UC-II® undenatured type II collagen The studied 40 mg a day. Works through the immune system, not through bulk. Several dog trials, including a force-plate comparison. | 20 mg | 40 mg | Slow layer |
| Glucosamine HCl, plant-fermented The name owners look for, at a real amount, from a non-shellfish source. The most familiar joint ingredient, included at 25 mg per kg. | 250 mg | 500 mg | Recognition |
| L-carnitine tartrate Supports normal muscle metabolism in older dogs. Senior-dog nutrition research. | 100 mg | 200 mg | Muscle |
A dry, beef-flavoured granule you scoop onto food once a day. Not a chew, not a tablet, not an oil.
Soft, fast-dissolving granules with the actives in the centre and a thin beef-liver coating on the outside, so it tastes like a treat and never like a supplement.
No sugar, no glycerin, no dairy, no soft-chew binders, no synthetic preservatives. Natural vitamin E keeps the coating fresh.
Also contains: beef liver digest and beef muscle powder (flavour coating), beef tallow, mixed tocopherols (natural vitamin E). Copper from the beef liver is kept under 0.1 mg per scoop.
Plans and pricing
Sized to your dog. Billed monthly. Cancel any time.
Same formula in every plan. Your dog’s weight sets the daily scoop, the canister size and how often it ships. Ships and delivers within 3 business days, free.
Small dog
Under 25 lb · up to 11 kg
$19.99 / month
$0.66 a day
- 1 level scoop a day
- 200 g canister, ships every 2 months
- Free US shipping
- 90-day guarantee
Most common
Medium dog
25–50 lb · 11–23 kg
$39.99 / month
$1.31 a day
- 1½–2 level scoops a day
- 200 g canister, ships monthly
- Free US shipping
- 90-day guarantee
Large dog
50–85 lb · 23–39 kg
$49.99 / month
$1.64 a day
- 2½–3½ level scoops a day
- 400 g canister, ships every 6 weeks
- Free US shipping
- 90-day guarantee
Giant dog
Over 85 lb · 39 kg and up
$69.99 / month
$2.30 a day
- 4–5 level scoops a day
- 400 g canister, ships every 4 weeks
- Free US shipping
- 90-day guarantee
Billed monthly. Shipments follow your dog’s plan so you never run out and never stockpile. Change size or cancel by email at any time.
How it works
A minute to the right plan, with the reason behind it.
- 1
Tell us about your dog
Name, weight, age, what you are noticing and what they eat.
- 2
We size the plan
Weight sets the daily scoop, the canister size and how often it ships. Same formula for every dog.
- 3
Scoop onto food
One level scoop per 10 kg, once a day. Mixed into wet food or over moistened kibble.
For senior dogs of every breed & size
The dog on the label is a French Bulldog. The plan is for yours.
One formula, dosed by weight. A 12 lb Dachshund gets one scoop; a 95 lb Shepherd gets four and a half. Mixed breeds, rescues, purebreds, all the same scoop rule.
90-day guarantee
Give it a real run. If you do not see a difference, or your dog will not eat it, we refund you. No return shipping.
Cancel any time
Monthly plan, no contract. Pause, change the size or stop by email.
Made to a published standard
Manufactured in an NASC-audited facility with every batch tested for identity, potency, heavy metals and microbes.
Questions, answered.
How do I feed it?
One level scoop per 10 kg (22 lb) of body weight, once a day, to the nearest half scoop. The scoop has a half line inside. Mix it into wet food, or moisten kibble with a tablespoon or two of warm water so the granules cling.
What is actually in it?
Seven actives, every amount on the label: bioactive collagen peptides, PEA (Levagen+), eggshell membrane (NEM), green-lipped mussel, UC-II undenatured type II collagen, plant-fermented glucosamine and L-carnitine, in a beef-liver coated granule with natural vitamin E. No sugar, glycerin, dairy, soft-chew binders or synthetic preservatives.
How is this different from a chew?
Chews need binders, humectants and sugars to stay soft, and the actives have to fit around them. A granule is mostly active: the collagen peptides are the body of it. It also goes into food, so a dog that spits out chews does not get a vote.
When will I see a change?
Plan on weeks, not days. The fast layer (PEA, eggshell membrane) was studied for change inside the first weeks; the collagen layer keeps building past month three. That is why the guarantee runs 90 days.
Sixty seconds. The right plan. The reason behind it.
Five questions about your dog, then what ships, when, and what it costs.