Dr Yang’s Krill & Deep Sea
Fish Oil for Dogs
Wild-caught from the pristine waters of Peru & Chile, our omega-3 fish oil capsules nourish your dog’s skin, coat, joints, and heart — delivering pharmaceutical-grade purity in every soft capsule.
- Visibly shinier coat & less shedding within weeks
- Soothes dry, itchy skin from the inside out
- Supports joint flexibility & heart health with EPA & DHA
- Wild-caught & sustainably sourced — no fillers or additives
I’ve tried three different fish oils for my golden and this is the only one that actually made a difference. Her coat is glossy, the flakiness on her belly is gone, and she seems so much more comfortable on her walks. Won’t go without it now.
Your dog's decline may not be age — it may be what's missing from their routine
Check the dosage chart
Find your dog's weight below to get the right daily serving size.
Mix or treat
Our tablets are designed to be delicious. Mix them with food or give them as a rewarding treat.
Notice the difference
Results typically show within 14 days. Watch for increased mobility and improved cognitive focus.
The Science of Sourcing
RuffDay sources every ingredient with precision engineering — hunting the globe for regions where compounds are chemically richest, then refining them to pharmaceutical purity for your pet.
Peruvian Deep Sea Fish
The cold, nutrient-dense Humboldt Current produces the world's most omega-rich small pelagic fish. Cold-pressed and molecularly distilled, our deep sea fish oil locks in EPA and DHA at peak potency — nourishing skin cell membranes, reinforcing the phospholipid barrier that retains coat moisture, and supporting niacinamide-driven pathways that regulate sebum and reduce flaking. The result: a visibly lustrous coat from the inside out.
Chilean Antarctic Krill
Harvested under MSC-certified quotas from Chile's pristine sub-polar waters, our Antarctic krill oil is nature's most bioavailable omega-3 source. Krill delivers its fatty acids bound to phospholipids — crossing cell membranes with exceptional efficiency and amplifying skin and coat benefits at a fraction of the dose. It also carries a natural payload of astaxanthin, one of the most potent antioxidants known, which shields skin cells from oxidative damage and deepens coat colour and shine.
Pharmaceutical Grade
Every single RuffDay batch is independently tested by accredited third-party laboratories against the same quality benchmarks as human-grade medicine. Heavy metals, microbial contamination, and potency verification — all checked before a single capsule reaches your door. Because your pet's health deserves nothing less than clinical certainty.
Personalized Support
Discover the precise dosage your dog needs based on their unique profile. Every scoop is scientifically measured for maximum efficacy.
Supplementation
Why Ruffday?
Not all pet supplements are created equal. Here's why thousands of Australian dog owners choose Ruffday.
| Feature | Ruffday Potency | Standard Brands |
|---|---|---|
| Globally sourced ingredients | ||
| Vet formulated formula | ||
| No fillers or artificial additives | ||
| Results visible within 14 days | ||
| Money-back guarantee | 90 days | 30 days or none |
| Targeted condition formulas | ||
| Subscribe & save pricing | Save 30% | Full price only |
Trusted by Pet Owners Worldwide
Real results, real numbers — from families who chose to support their dog's health the smarter way.
Pet owners who've seen a real difference in their dog's health & energy.
Verified reviews from pet parents across Australia, NZ, UK, USA & beyond.
Monthly subscribers who've made Ruffday part of their dog's daily routine.
Testimonials
Loved by Dog Owners Worldwide
"I'll be honest — I was skeptical at first. There are so many dog supplements out there claiming to be 'premium' that I assumed this would just be another one… After a few weeks, I noticed my dog had more energy on walks and wasn't struggling as much getting up after sleeping."
Angelina Schmidt
Munich, Germany
"Super easy to add to his routine. No hassle, just something simple that actually helps. Within weeks, his coat looked healthier and shinier. That alone made it worth it."
Jay Williams
Stockholm, Sweden
"My dog used to slow down halfway through walks. Now he keeps up the whole time again. I just wish I started sooner. You don't realize how much these small changes matter."
Sarah Chen
Perth, Australia