I personally never knew (nor would I have known) when to give Faith suppliments for her joints and hips.  I was and am 100% dependent on her vets for that information. This year is the year! They all concurred that during her 6th year it would be a great thing to do  - so we searched it, researched it, and went with a great company called Vetionx for not only joints, but all sorts of things. You can find them at discounted prices through the marketing company that is helping Faith.  www.CherMarketing.com  Let me know what you think about all-natural products such as the ones you'll find at Vetionx.