Weight loss for definite, if its needed. This is the single most beneficial thing you can do by a long shot. Also nice and cheap 🙂
Cartrophen injections +1
It’s old skool, but works very well in majority of dogs. Course of 4 jabs a week apart. It’s a cartilage rebuilder and after first course you may just need a top up jab occasionally.
This plus a GOOD glucosamine/chondroitin supplement. Science is contradictory on the benefits, but all studies conclude there are no deleterious effects. Green lipped mussel extract is another form of glucosamine and is possibly generating better results in canines than plain glu/chon, so watch out for this type
Omega 3 fatty acids are also getting very good clinical reviews indeed at the moment for helping to control joint pain. Can be used alongside all of above