I don't know where you are, but here we have a company called LMF that makes a great supplement. or Equerrys is another brand I've had luck with
My trainer makes a supplement with glucosamine, devil's claw and yucca
Hi Madelin, you could ask to @ravene
, it's a renown laboratory which cares for the wellness of your horses ! 😉
SmartPak Equine makes awesome all around supplements! They also have an awesome program!