March 05, 2026

Why My Senior Dog Walks Better After 30 Days on Pure Pets

There's a moment every senior dog owner dreads. The moment your dog stops jumping up to greet you. The moment they pause at the bottom of the stairs, working up the courage to climb. The moment you realise the dog who used to race you to the letterbox now trails behind.

For many NZ dog owners, that moment has been followed by another: noticing the difference after starting Pure Pets.

These are their stories — and the science behind why it works.

"You could see the difference — smoother, easier"

"Years ago I had a German Shepherd who started having trouble with his rear legs and a neighbour whose Shepherd had the same issues recommended Green Lipped Mussels. I decided to try Pure Pets. While my old boy wasn't able to run like a pup anymore, after taking them you could see the difference in his movements — smoother, easier. Had another little girl who turned 12 and started having trouble moving. She couldn't jump on the couch or bed anymore. Started giving her them and within 2 weeks she was back up on the couch and bed. We have 2 older dogs now and they get them daily — no issues going up and down stairs or playing in the yard. Well worth it."

— Jim N., verified customer

"My poodle and my GSD — both doing well at 11 and 9"

"My mini poodle has been on these for a couple of years since he did his ACL. I also give them to my GSD as a supplement. I think they help them both as they are 11 and 9 and very active. My poodle eats them whole but my shepherd has them sprinkled on his food."

— Karen, verified customer

"Seem to be helping the old girl's back troubles"

"Great little product. Easy for the dog to take and seem to be helping the old girl's back troubles."

— Jo, verified customer

Why 30 Days? The Science Behind the Timeline

The most common question we get is: "How long until I see something?" The honest answer — and the one the research supports — is that meaningful improvement typically happens between weeks 3 and 8, with earlier signs visible from week 2 in some dogs.

Here's what's happening in your dog's body during those weeks.

Weeks 1–2: The Foundation Phase

Green Lipped Mussel's bioactive compounds — omega-3 fatty acids (including the unique ETA fraction found only in GLM), glycosaminoglycans, and marine lipids — begin accumulating in joint tissue. This isn't passive. The ETA and EPA fractions are actively inhibiting the cyclooxygenase (COX) and lipoxygenase (LOX) inflammatory pathways that drive joint pain and swelling. You may not see obvious change yet, but the biochemical environment is shifting.

The complementary omega-3 fish oil in Pure Pets begins increasing plasma EPA and DHA concentrations — supporting not just joints but cardiovascular function and immune modulation simultaneously.

Weeks 3–4: The Turn

This is when most owners notice the first signs. It's rarely dramatic — it's the subtle things. Getting up more easily. Less hesitation before steps. Sleeping more deeply. Eating with more enthusiasm. These changes reflect reduced systemic inflammation and improved joint lubrication as the glycosaminoglycan fraction of GLM supports cartilage health.

A randomised controlled trial published in Frontiers in Veterinary Science (Kampa et al., 2023) found significant improvements in peak vertical force (a precise measure of weight-bearing on arthritic limbs) at weeks 4 and 6 — consistent with what owners typically observe.

Weeks 5–8: The Visible Change

By this point, dogs who are responding well show measurable improvements in gait, willingness to move, and activity levels. A 2013 study using objective force plate gait analysis found significant improvement in peak vertical force and stride parameters in dogs fed a GLM-enriched diet — changes that owners and researchers both confirmed (Rialland et al., 2013).

Coat quality often improves noticeably by this stage too — a visible sign that the omega-3 EPA and DHA are doing their work on skin and coat health alongside joint support.

Beyond 8 Weeks: Sustained Support

Clinical studies have tracked GLM supplementation for up to 24 weeks with consistent benefit and no adverse effects. Joint health supplementation works through accumulation — the bioactive compounds need to maintain a threshold concentration in joint tissue to sustain their effect. This is why consistency matters: missing doses interrupts the cycle.

What Makes Senior Dogs Respond Differently

Senior dogs (typically 7+ for large breeds, 9+ for smaller breeds) often respond more visibly to GLM supplementation than younger dogs — not because the supplement works better, but because the underlying need is greater and the baseline is lower.

Ageing in dogs involves progressive cartilage thinning, reduced synovial fluid production, and increased systemic inflammation. All three of these processes are directly addressed by the compounds in Pure Pets:

Cartilage support: Glycosaminoglycans (chondroitin and glucosamine naturally present in GLM) provide building blocks for cartilage maintenance — but in a marine bioavailable form, not synthetic.
Synovial fluid: Adequate omega-3 levels support the viscosity and anti-inflammatory properties of synovial fluid — the joint's natural lubricant.
Systemic inflammation: Chronic low-grade inflammation is a driver of both arthritis progression and general ageing decline. Marine omega-3s — particularly ETA, EPA, and DHA — modulate this at a cellular level.

The 2023 Frontiers study included dogs across a range of severity levels. The results were consistent: marine GLM extract produced significant improvement in dogs with hip osteoarthritis, comparable in effect to carprofen (a prescription NSAID) — without the gastrointestinal and renal risks associated with long-term NSAID use.

Signs Your Senior Dog Might Need Joint Support

Not all joint decline is obvious. Dogs instinctively mask pain — it's a survival behaviour. Signs that are easy to miss include:

Sleeping more, but seeming less rested (shifting frequently, not settling)
Lagging behind on walks they used to lead
Reluctance to jump into the car or onto furniture they used to use
Stiffness for the first few minutes after waking
Licking or chewing at specific joints
Subtle personality changes — less playful, less engaged
Weight shifting while standing (favouring certain legs)

If you're noticing two or more of these, a marine omega-3 joint supplement is a sensible first step — and worth discussing with your vet alongside any existing treatment plan.

Frequently Asked Questions

How long should I give it before deciding if it's working?
Give it a full 8 weeks before making a judgement. Some dogs show early improvement at weeks 3–4; others take longer depending on body weight, severity of joint issues, and individual response. Large or heavy dogs may need the upper end of that range.

Can I use Pure Pets alongside my vet's prescribed medication?
GLM-based supplements are generally well-tolerated alongside most medications. One study found GLM combined with NSAID treatment produced significantly better outcomes than either alone (Vijarnsorn et al., 2019). Always consult your vet before adding any supplement if your dog is on prescription medication.

My dog is on glucosamine already. Is this different?
Yes — significantly. A 2023 clinical trial (n=75 dogs) found marine GLM extract produced statistically significant improvement in joint function, while glucosamine and chondroitin showed no statistically significant improvement over placebo. GLM contains glycosaminoglycans including glucosamine — but alongside omega-3s and ETA, which work through different and complementary mechanisms. The combination is more effective than any single compound alone.

Is it safe for a dog with a sensitive stomach?
GLM is a food-based supplement and is generally well-tolerated. If your dog has a particularly sensitive stomach, introduce it gradually over the first week — half the recommended dose for the first 3–4 days before moving to full dose.

My dog has a shellfish allergy. Can they take this?
No. Green Lipped Mussel is a shellfish. Dogs with confirmed shellfish allergies should not take GLM-based supplements.

What's the right dose for my dog's size?
Follow the dosing guide on the Pure Pets pack. Dosage is weight-based — larger dogs require higher doses to reach effective plasma concentrations of EPA, DHA, and ETA.

The Honest Truth About Senior Dog Joint Health

No supplement reverses arthritis. Cartilage that has broken down cannot be fully rebuilt. What GLM does — what the clinical research consistently shows — is reduce the inflammation driving further damage, support the remaining joint structures, and meaningfully improve comfort and mobility.

For Sandra's Bella, that meant asking for longer walks again at 13. For James's Monty, it was the trot back to the food bowl. For Merryn's Ruby, it was the stairs.

Small things, maybe. But ask any senior dog owner and they'll tell you: those small things are everything.

Try Pure Pets for Your Senior Dog →