I don’t take it myself but our 17 year old dog takes a dog version in the morning and night and there is a noticeable difference in her stiffness and being able

I don’t take it myself but our 17 year old dog takes a dog version in the morning and night and there is a noticeable difference in her stiffness and being able to navigate the stairs if she misses a dose. It was recommended by the Vet.