I give this 1/8 tsp. to my 3 Pekingese dogs every other day in a mix of honey & yogurt or kefir.
It is a little bitter for dogs (and humans) so I administer it (wrapped in peanut butter) in empty gel caps you can buy at the health food stores.
I also take Yucca myself as I have arthritis and noticed an improvement in stiffness so I'm sold on it for all of my "family".
It seems to improve my symptoms better than glucosamine/chrondrotin.
My horses look noticably better! Their coats just glow. This is also an excellent anti-inflammatory.
MY HORSES LOOK NOTICABLY BETTER! THEIR COATS JUST GLOW. THIS IS ALSO AN EXCELLENT ANTI INFLAMATORY.