I crack so much I sound like a bowl of (Rice Crispys) no matter if I'm lifting or just adjusting my weight at times when I'm just standing there.
I use: MSM with SAMe
It's an Amino Acid to treat arthritis and the SAMe is to reduce disease activity, pain, and morning stiffness.
Gives you some wicked gas tho

but worth it, just don't forget to take it on a regular basis. Ramp it, then level off.
Also try Certo. (google it) I was told to give it to my older dog to help with arthritis pain and he is now attacking our younger dog for all those times he picked on him when he was in too much pain to do anything.
They just play hard. I take it as well now in a sports drink.