Joint supplements for older Border Collies

The supplement market for dogs is enormous and mostly unnecessary — most healthy dogs on a complete diet don't need them, and the ones that do usually need something targeted rather than a broad multivitamin. That said, your situation is a bit different: you're coming off a vet-prescribed diet food, which was likely formulated to cover specific nutritional bases, and you want to make sure your dog doesn't lose anything in the transition. Before I say anything else — what breed and age is your dog, what was the vet diet for, and what's prompting the switch away from it now?

That's a really sensible concern, and good news on the kidneys — clean bloods after two years on renal food is a proper win. Border Collies are working dogs and tend to stay active well into old age, but eight is the window where joint stiffness genuinely starts showing up, especially if she's already slowing on walks. The key question for me: is she stiff first thing in the morning and then loosens up, or is the slowness consistent through the whole walk? And has your vet mentioned anything about her joints specifically, or is this mainly your own observation?

That morning stiffness that eases with movement is classic early joint wear — not alarming at her age, but worth supporting properly now rather than waiting until it's worse. For an 8-year-old Border Collie with that pattern, I'd go with YuMOVE Joint Care PLUS. It's the stronger of their two formulas — designed for dogs already showing signs rather than just prevention — and it has a solid evidence base behind it, which most joint supplements genuinely don't. The active ingredients are green-lipped mussel for omega-3s, glucosamine, and hyaluronic acid, which is a more complete combination than you'll get from a basic fish oil or a single-ingredient product. It comes in a tablet form that most dogs take as a treat, and you'll typically see a difference within 4 to 6 weeks. One thing to flag: because she's coming off a renal diet, just double-check with your vet before starting — glucosamine is generally fine for dogs with resolved kidney issues, but it's worth a quick confirmation given her history.

Yes — get YuMOVE Joint Care PLUS specifically, not the standard YuMOVE. The standard version is a maintenance formula for younger dogs or prevention; PLUS has a higher active ingredient concentration aimed at dogs already showing joint changes, which fits her profile. For her size — Border Collies are typically 15 to 20kg — you'd be on the large breed dosage. The PLUS formula is available on Amazon UK in 60- and 300-tablet packs; the 300 works out meaningfully cheaper per tablet if you're confident she tolerates it, but starting with the 60 is sensible so you're not committed before you know she gets on with it.

Given her history, I'd lean toward a food with moderate protein rather than a high-protein performance formula — not because her kidneys need restriction now, but there's no reason to push them unnecessarily. Something like Orijen or Acana is brilliant food but probably overkill here; a quality mid-range complete like Royal Canin Adult or Eukanuba Breed Specific would be more appropriate. More importantly, run your shortlist past your vet — they've seen her bloods and can tell you if there's anything to avoid. The joint supplement is the one change you can make confidently right now.