When my husband was having problems with his knee, I quickly got him BLM™ (bone, ligaments, and muscles).
The ingredients are:
My husband was taking Glucosamine alone. Now, combined with other supplements, and Wintergreen, Balsam fir and Clove therapeutic grade essential oils, it is very effective.
Here is a post about healing my husband's knee:
http://eugeniyamusic.blogspot.com/2014/02/healing-my-husbands-painful-knees-with.html