Boswellin is a standardized Ayurvedic extract containing 65% Boswellic acids, the active constituents of the herb Boswellia serrata. It is naturally produced in India from the gum resins of the Boswellia serrata tree. It is perfect for maintaining proper joint health. Everyone old enough to walk appreciates the value of flexibility and ease of movement. Unfortunately many of us take such good things for granted. A famous folksinger sang, "You don't know what you've got till it's gone." That's certainly true for millions Americans who live with stiff and uncomfortable joints. NOW Foods is your source for natural joint support products.